Ref. p. 329]
3 Radicals in metal complexes
Substance
Generation / Matrix or
Solvent / Method / T [K]
89
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
2.008
93Mat1
3.7 Complexes of group 6 (Cr, Mo, W)
[C9MoS15] •−
chemical oxidation
•−
S
C S
C S
C S
S
Mo
dichloromethane
ESR / 293
3
electrochemistry, UV-VIS and IR spectroscopy, magnetic properties
[C9S15W] •−
chemical oxidation
•−
S
W
C S
C S
C S
S
1.988
93Mat1
dichloromethane
ESR / 293
3
powder
1.987
ESR / 293
crystal structure, electrochemistry, UV-VIS and IR spectroscopy,
magnetic properties
[C9Se15W] •−
chemical oxidation
•−
Se
W
C Se
C Se
C
Se Se
1.99
95Dou
powder
ESR / 293
3
electrochemistry, UV-VIS and IR spectroscopy, magnetic properties
[C10Cr2O10S] •−
(CO)5Cr
S
γ-irradiation of single crystals
•−
Cr(CO)5
S
•−
•
Cr(CO)5
(continued)
Landolt-Börnstein
New Series II/26A2
91Hyn
electrochemically generated
2.0264
90Spr
THF / dichloromethane
H: ca. 4.0 (partially
resolved doublet)
solid state
ESR / 77
[C10HCr2O10S] •
(CO)5Cr
gx = 1.9899
gy = 2.2461
gz = 2.0900
solid state
γ-irradiation of single crystals
W(CO)5
H
S
91Hyn
ESR / 77
[C10O10SW2] •−
(CO)5W
gx = 2.0008
gy = 2.1142
gz = 2.0472
ESR / 203
90
3.7 Complexes of group 6 (Cr, Mo, W)
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
[C10HCr2O10S] • (continued)
2-methyl-THF
g1 = 2.0471
g2 = 2.0326
g3 = 2.0018
gav = 2.0272
ESR / 103
[Ref. p. 329
Ref. /
add. Ref.
IR spectroscopy, electrochemistry, MO calculations
[C10H7N2O5W] •
•
H3C
N
electrolysis
2.0051
acetonitrile
ESR / RT
H(CH3): 0.714
N(–CH3): 0.784
H(2,6): 0.386
H(3,5): 0.154
14
N(–W): 0.870
methanol
2.0034
ESR / RT
H(CH3): 0.732
N(–CH3): 0.828
H(2,6): 0.458
H(3,5): 0.121
14
N(–W): 0.700
93Bru
14
N W(CO)5
14
electrochemistry
[C11H4N2O5W] •−
reduction with potassium metal 2.0041
•−
THF
89Olb1
14
N(1): 0.668
N(CN): 0.220
H(3,5): 0.165
H(2,6): 0.225
14
N C
N W(CO)5
ESR / 298
IR, UV-VIS and NMR spectroscopy, electrochemistry
[C11N4O5W] •−
NC
CN
C
CN
N
W(CO)5
electrochemical reduction
•−
2.0040
89Olb2
acetonitrile
ESR / 298
NMR, IR and UV-VIS spectroscopy, electrochemistry
chemical reduction with KBH4
2.00251
acetone
183
92Rot
W: 0.187
N(1N): 0.246
14
N(2N): 0.166
14
N(1N): 0.134
14
ESR / 300
electrochemistry, HMO calculations
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
91
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C11H3Cr2O10S] •
electrochemically generated
2.0244
90Spr
Me
S
(CO)5Cr
Cr(CO)5
•
THF / dichloromethane
H: 6.3 (quartet)
Cr: 5.3
33
S: 14.9
53
ESR / 203
2-methyl-THF
ESR / 103
g1 = 2.0437
g2 = 2.0274
g3 = 2.0025
gav = 2.0245
IR spectroscopy, electrochemistry, MO calculations
[C12H2Mo2N4O10] •−
reduction with potassium metal
•−
N
(CO)5Mo N
N Mo(CO)5
N
2.0047
86Kai2
95,97
THF
ESR / 295
Mo: 0.185
N(azo): 0.705
N'(azo'): 0.433
H(3,6): 0.021
14
HMO calculations
[C12H2N4O10W2] •−
reduction with potassium metal
•−
N
(CO)5W N
N W(CO)5
N
2.0070
86Kai2
183
THF
ESR / 295
W: 0.368
N(azo): 0.715
N'(azo'): 0.418
14
HMO calculations
[C12H5Cr2O10S] •
(CO)5Cr
Et
S
electrochemically generated
•
THF / dichloromethane
2.0245
90Spr
H: 3.0 (triplet)
Cr: 5.4
33
S: 14.6
53
Cr(CO)5
ESR / 203
2-methyl-THF
ESR / 103
g1 = 2.0426
g2 = 2.0268
g3 = 2.0035
gav = 2.0243
IR spectroscopy, electrochemistry, MO calculations
[C12H6CrN4O4] •−
•−
N
N
reduction with potassium
2.0023
THF
14
ESR / 298
Cr(CO)4
N
N
Landolt-Börnstein
New Series II/26A2
N(1): 0.095
N(2): 0.550
H(5): 0.332
H(6): 0.210
14
HMO calculations
86Kai1
92
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C12H6CrN4O4] •−
reduction with potassium
2.0024
86Kai1
THF
14
•−
N
N
ESR / 298
Cr(CO)4
N
N
N(1): 0.482
H(3): 0.044
14
N(4): 0.093
H(5): 0.469
H(6): 0.020
HMO calculations
[C12H6CrN4O4] •−
•−
N
N
electrochemistry, UV-VIS spectroscopy
95Wal
reduction with potassium
2.0026
86Kai1
THF
14
ESR / 298
Cr(CO)4
N
N(1): 0.239
N(3): 0.152
H(4): 0.024
H(5): 0.500
H(6): 0.057
14
N
HMO calculations
[C12H6CrN4O4] •−
N
•−
N
reduction with potassium
2.0027
THF
14
ESR / 298
ENDOR / RT
Cr(CO)4
N
N
86Kai1
N(1): 0.289
H(2): 0.034
14
N(3): 0.256
H(5): 0.165
H(6): 0.165
HMO calculations
[C12H6MoN4O4] •−
•−
N
N
reduction with potassium
2.0031
THF
14
86Kai1
N(1): 0.07
N(2): 0.550
H(4): 0.07
H(5): 0.278
H(6): 0.220
14
ESR / 298
Mo(CO)4
N
N
HMO calculations
[C12H6MoN4O4] •−
•−
N
N
reduction with potassium
2.0026
86Kai1
THF
14
86Kai2
ESR / 298
Mo(CO)4
N
N
N(1): 0.486
H(3): 0.033
14
N(4): 0.101
H(5): 0.452
H(6): 0.016
HMO calculations
electrochemistry, UV-VIS spectroscopy
95Wal
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
93
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C12H6MoN4O4] •−
electrochemically generated
2.0029
85Ern
N
•−
N
THF
ESR / 298
Mo(CO)4
electrochemistry, UV-VIS spectroscopy
N
N
reduction with potassium
2.0028
THF
14
86Kai1
N(1): 0.28
N(3): 0.26
H(5): 0.15
H(6): 0.15
14
ESR / 298
HMO calculations
[C12H6N4O4W] •−
•−
N
N
reduction with potassium
2.0033
THF
14
86Kai1
N(1): 0.062
N(2): 0.553
H(4): 0.062
H(5): 0.278
H(6): 0.216
14
ESR / 298
W(CO)4
N
N
HMO calculations
[C12H6N4O4W] •−
•−
N
N
reduction with potassium
2.0032
THF
14
86Kai1
N(1): 0.46
N(4): 0.105
H(5): 0.46
14
ESR / 298
W(CO)4
N
N
HMO calculations
[C12H6N4O4W] •−
reduction with potassium
2.0024
THF
14
N
•−
N
ESR / 298
W(CO)4
N
N
Landolt-Börnstein
New Series II/26A2
N(1): 0.30
N(3): 0.27
H(5): 0.15
H(6): 0.15
14
HMO calculations
86Kai1
94
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C12H7CrNO6] •−
electrochemical reduction or
chemical reaction
2.0036
84Kai
O
CH3
THF
ESR / 300
N
Cr(CO)5
14
N(1): 0.570
H(2): 0.103
H(3): 0.248
H(CH3): 0.506
H(5): 0.290
H(6): 0.062
electrochemistry, HMO calculations
[C12H7MoNO6] •−
O
electrochemical reduction or
chemical reaction
CH3
THF
ESR / 300
N
Mo(CO)5
2.0038
84Kai
14
N(1): 0.580
H(2): 0.105
H(3): 0.246
H(CH3): 0.504
H(5): 0.272
H(6): 0.061
electrochemistry, HMO calculations
[C12H7NO6W] •−
O
electrochemical reduction or
chemical reaction
CH3
THF
ESR / 300
N
W(CO)5
2.0046
84Kai
14
N(1): 0.560
H(2): 0.126
H(3): 0.224
H(CH3): 0.480
H(5): 0.268
H(6): 0.080
electrochemistry, HMO calculations
[C13H7Cr2O10S] •
iPr
S
(CO)5Cr
Cr(CO)5
•
electrochemically generated
2.0249
THF / dichloromethane
53
90Spr
Cr: 6.0
S: 14.5
33
ESR / 213
2-methyl-THF
ESR / 103
g1 = 2.0457
g2 = 2.0282
g3 = 1.9991
gav = 2.0243
IR spectroscopy, electrochemistry, MO calculations
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
95
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C14H4Cr2N2O10] •−
chemical reduction
2.0035
86Gro
THF
53
•−
Cr(CO)5
N
ESR / 298
N
Cr(CO)5
Cr: 0.070
H: 0.246
14
N:0.859
NMR, IR and UV-VIS spectroscopy, electrochemistry
[C14H4Mo2N2O10] •−
•−
Mo(CO)5
N
chemical reduction
2.0042
THF
95,97
ESR / 298
N
Mo(CO)5
86Gro
Mo: 0.150
H: 0.253
14
N:0.818
NMR, IR and UV-VIS spectroscopy, electrochemistry
[C14H4N2O10W2] •−
•−
W(CO)5
N
chemical reduction
2.0061
THF
183
ESR / 298
N
W(CO)5
86Gro
W: 0.286
H: 0.254
14
N:0.823
NMR, IR and UV-VIS spectroscopy, electrochemistry
[C14H6CrN4O4] •−
•
N
N
reduction with potassium metal
2.0023
1,2-dimethoxyethane
insufficiently resolved hfs
96Ern
ESR / 300
Cr(CO)4
N
N
HMO calculations
[C14H6MoN4O4] •−
•
N
N
reduction with potassium metal
2.0021
1,2-dimethoxyethane
H(3): 0.405
H(4):0.155
14
N: 0.425
ESR / 300
Mo(CO)4
N
N
Landolt-Börnstein
New Series II/26A2
HMO calculations
96Ern
96
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C14H6N4O4W] •−
reduction with potassium metal
2.0005
96Ern
1,2-dimethoxyethane
insufficiently resolved hfs
•
N
N
ESR / 300
W(CO)4
N
N
HMO calculations
[C14H8CrN2O4] •−
reduction with potassium metal
in the presence of cryptand
•−
THF
N
Cr(CO)4
ESR / 295
N
2.0026
98Vlc
53
Cr: 0.128
H(3,3'): 0.105
H(4,4'): 0.124
H(5,5'): 0.451
H(6,6'): 0.075
14
N: 0.371
IR spectroelectrochemistry
[C14H8CrN4O4] •−
•
N
N
N
N
Cr(CO)4
spectroelectrochemically
generated
acetonitrile
ESR / 298
[C14H8MoN2O4] •−
electrolysis
2.0024
95Wal
14
N(1,1'): 0.482
H(3,3'): 0.044
14
N(4,4'): 0.093
H(5,5'): 0.469
H(6,6'): 0.020
2.004
85Mih
95,97
•−
THF
N
ESR / 291
Mo(CO)4
N
Mo: 0.16
H: 0.12
H: 0.10
H: 0.42
H: 0.07
14
N: 0.35
electrochemistry, UV-VIS spectroscopy
[C14H8MoN4O4] •−
•
N
ESR / 298
[C14H9Cr2O10S] •
•
2.0026
95Wal
95,97
Mo: 0.22
N(1,1'): 0.468
H(3,3'): 0.033
14
N(4,4'): 0.101
H(5,5'): 0.452
H(6,6'): 0.016
14
acetonitrile
N
N
N
Mo(CO)4
tBu
S
(CO)5Cr
Cr(CO)5
spectroelectrochemically
generated
electrochemically generated
2.0264
THF / dichloromethane
53
90Spr
Cr: 5.0
S: 14.2
33
ESR / 193
(continued)
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
97
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
[C14H9Cr2O10S] • (continued)
2-methyl-THF
g1 = 2.0496
g2 = 2.0268
g3 = 1.9998
gav = 2.0254
ESR / 103
Ref. /
add. Ref.
crystal structure, IR spectroscopy, electrochemistry, MO calculations
[C14H12MoN4O4] •+
•+
(CO)4
Mo
N
N
reaction of ligand with
(norbornadiene)-Mo(CO)4
acetone
H3C N
N CH3
ESR / RT
acetone
2.0021
94Mat
14
N(1): 0.364
H(CH3): 0.364
H(2): < 0.015
14
N(3): 0.14
H(5): 0.14
H(6): 0.240
ESR / ENDOR / 245
14
N(1): 0.360
H(CH3): 0.370
H(2): < 0.005
14
N(3): < 0.2
H(5): 0.135
H(6): 0.245
[C15H6ClMoN4O7Re] •−
Mo(CO)4
N
N
N
•
2.0014
dichloroethane
185,187
91Mat2
Re: 1.1
ESR / 298
N
Re(CO)3Cl
electrochemistry, UV-VIS spectroscopy, luminescence
[C15H10CrNO4] •−
O
electrochemical generation
reduction with potassium
•
1,2-dimethoxyethane
ESR / 298
87Gog
H(p): 0.360
H(o): 0.170
(CO)3Cr
N
H3C
MO calculations
[C15H23MoN3O3] •−
•−
tBu
N
chemical reduction
1.9991
THF
95,97
Mo: 0.26
N: 0.610
H: 0.47
14
Mo(CO)3(CNCH3)
ESR / 298
N
tBu
electrochemistry, UV-VIS and IR spectroscopy
Landolt-Börnstein
New Series II/26A2
86Bel1
98
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C15H23N3O3W] •−
chemical reduction
1.9998
86Bel1
THF
183
•−
tBu
N
W: 0.62
N: 0.690
H: 0.430
14
ESR / 298
W(CO)3(CNCH3)
N
tBu
electrochemistry, UV-VIS and IR spectroscopy
[C16H5Cr2O10S] •
Ph
S
(CO)5Cr
Cr(CO)5
•
electrochemically generated
2.0244
pentane
53
90Spr
Cr: 5.5
S: 13.4
33
ESR / 223
2-methyl-THF
ESR / 103
g1 = 2.0413
g2 = 2.0269
g3 = 2.0024
gav = 2.0235
IR spectroscopy, electrochemistry, MO calculations
[C16H6MoO6] •−
•−
O
photochemical reaction
2.0048
THF
95,97
ESR / 298
Mo(CO)4
91Han
Mo: 0.20
H(3,5,6,8): 0.11
O
[C16H6Mo2N4O8] •−
•−
N
Mo(CO)4
N
THF
95,97
ESR
Mo: 0.105
N: 0.228
hyperfine
electrochemical generation
2.0022
THF
14
91Mat1
N
[C16H8CrN2O4] •−
•−
N
ESR / 298
Cr(CO)4
N
2.0022
14
N
(CO)4Mo
electrochemically generated
00Far
N: 0.368
H(3): 0.308
H(4): 0.278
IR and UV-VIS spectroelectrochemistry, electrochemistry, DFT
calculations
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
99
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C16H8N2O4W] •−
electrochemical generation
2.0049
00Far
THF
14
•−
N
ESR / 298
W(CO)4
N
N: 0.323
H(3): 0.406
H(4): 0.290
IR and UV-VIS spectroelectrochemistry, electrochemistry, DFT
calculations
[C16H12CrNO4] •−
CH3
87Gog
reduction with potassium
•
1,2-dimethoxyethane
O
ESR / 298
H(p): 0.38
H(o): 0.160
H(o-CH3): 0.150
(CO)3Cr
N
H3C
MO calculations
[C16H25CrN3O3] •+ or
chemical oxidation
broad signal
86Bel2
dichloromethane
ESR / 113
[C16H25CrN3O3] •−
•−
iPr
N
chemical reduction
1.9991
THF
53
Cr(1 Cr): 0.38
N(2 N): 0.705
H(CH, 2 H): 0.360
H(ipr): 0.180
14
ESR / 298
Mo(CO)3(CNtBu)
N
iPr
electrochemistry, UV-VIS and IR spectroscopy
[C16H25MoN3O3] •−
•−
iPr
N
chemical reduction
1.9967
THF
95,97
86Bel1
Mo: 0.31
N: 0.705
H: 0.425
H(tPr): 0.150
14
ESR / 298
Mo(CO)3(CNtBu)
N
iPr
electrochemistry, UV-VIS and IR spectroscopy
[C16H25N3O3W] •−
•−
iPr
N
chemical reduction
2.0036
THF
183
W: 0.65
N: 0.690
H: 0.410
H(tPr): 0.140
14
W(CO)3(CNtBu)
N
iPr
Landolt-Börnstein
New Series II/26A2
ESR / 298
electrochemistry, UV-VIS and IR spectroscopy
86Bel1
100
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
g-Factor /
a-Value [mT]
Substance
Generation / Matrix or
Solvent / Method / T [K]
[C17H7N3O10W2] •−
reduction with potassium metal 2.0067
•−
THF
W(CO)5
N
N CH3
N
W(CO)5
ESR / 298
183
W: 0.165
N: 0.639
H: 0.161
IR and UV-VIS spectroscopy, electrochemistry
reduction with potassium metal 2.0041
in the presence of cryptand
95
Mo: 0.312
97
Mo: 0.329
THF
H(CH3): 0.646
14
ESR / 298
N(–CH3): 0.738
H(2,6): 0.409
H(3,5): 0.087
14
N(–Mo): 0.846
31
P: 2.650
•
N Mo(CO)3P(iPr)3
N
89Kai
14
[C17H28MoN2O3P] •
H3C
Ref. /
add. Ref.
96Hil1
93Pop2
electrochemistry, UV-VIS absorption, UV-VIS and IR
spectroelectrochemistry
[C17H28N2O3PW] •
•
H3C
THF
N W(CO)3P(iPr)3
N
93Bru
reduction with potassium metal 2.0087
ESR / 298
H(CH3): 0.617
N(–CH3): 0.709
H(2,6): 0.394
H(3,5): 0.077
14
N(–W): 0.862
31
P: 3.235
14
93Pop2
electrochemistry
[C18H6N4O10W2] •−
reduction with potassium metal 2.0052
•−
THF
W(CO)5
14
N(1): 0.211
N(2): 0.423
H(5): 0.10
H(6): 0.31
14
ESR / 298
N N
N N
(CO)5W
HMO calculations
[C18H6N4O10W2] •−
reduction with potassium metal 2.0046
•−
(CO)5W N
N
N
N W(CO)5
86Kai1
THF
ESR / 298
86Kai1
14
N(1): 0.378
H(2): 0.132
14
N(3): 0.132
H(5): 0.199
H(6): 0.144
HMO calculations
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
101
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C18H8Cr2N4O8] •−
reduction with potassium metal
2.0040
86Kai2
photochemical reaction
2.0053
91Han
THF
95,97
(CO)4Cr
N
N
N
N
Cr(CO)4
•−
THF
ESR / 295
HMO calculations
[C18H8MoO6] •−
•−
O
ESR / 298
Mo: 0.39
H(1,3,6,8): 0.14
Mo(CO)4
O
[C18H8Mo2N4O8] •−
(CO)4Mo
N
N
N
N
Mo(CO)4
•−
1,2-dimethoxyethane
2.0053
ESR / 298
95,97
Mo: 0.37
H(1,3,6,8): 0.14
reduction with potassium metal
2.0050
86Kai2
14
N(azo): 0.6
THF
ESR / 295
ENDOR / 220 or 250
14
N(1): 0.24
H(3): 0.186
H(4): 0.00
H(5): 0.255
H(6): 0.054
HMO calculations
[C18H8N4O8W2] •−
reduction with potassium metal
(CO)4W
N
N
N
N
W(CO)4
[C18H14Cr] •+
•−
2.0089
86Kai2
1.9911
88Els
THF
ESR / 295
HMO calculations
chemical reaction
53
•+
Cr
ESR / 223
Cr: 1.749
H(1,4): 0.240
H(2,3): 0.450
H(9): 0.350
chloroform / dimethylformamide
1:1
g||: 2.0089
g⊥: 1.9810
chloroform / dimethylformamide
1:1
ESR / 173
Landolt-Börnstein
New Series II/26A2
102
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C18H29N3O3W] •−
chemical reduction
2.0014
86Bel1
THF
183
•−
tBu
N
W: 0.61
N: 0.700
H: 0.420
14
ESR / 298
W(CO)3(CNtBu)
N
tBu
electrochemistry, UV-VIS and IR spectroscopy
[C19H11MoO4] •
•
O
photochemical reaction
2.0003
toluene
95,97
ESR / 298
Mo(cp)(CO)2
91Han
Mo: 0.50
H(3,5,6,8): 0.10
O
[C20H8Cr2N6O8] •−
•−
(CO)4Cr
N N
N
N N
reduction with potassium
metal
THF
HMO calculations
reduction with potassium
metal
•−
ESR / 295
N
Mo(CO)4
[C20H8N4O10W2] •−
•−
N W(CO)5
2.0045
85Kai
95,97
Mo: 0.22
N(azo): 0.640
N'(azo'): 0.420
H(3',5'): 0.017
14
THF
N
N
Cr: 0.11
N(azo): 0.622
N'(azo'): 0.459
ESR / 295
N
Cr(CO)4
(CO)4Mo
N
N N
(CO)5W N
86Kai2
14
[C20H8Mo2N6O8] •−
N N
2.0033
53
86Kai2
86Kai3
HMO calculations
86Kai2
electrochemistry, UV-VIS and IR spectroscopy
86Kai3
electrolysis
2.0051
90Kai2
dichloromethane
14
ESR / 298
H(3,5): 0.23
N(py): 0.23
14
N(azo): 0.55
electrochemistry, IR and UV-VIS spectroscopy
[C20H8N6O8W2] •−
•−
(CO)4W
N
N N
N N
reduction with potassium
metal
86Kai2
W: 0.415
N(azo): 0.640
N'(azo'): 0.415
14
THF
N
W(CO)4
2.0068
183
ESR / 295
HMO calculations
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
103
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C20H16CrN2O4] •−
electrochemical generation
2.0044
00Far
n-PrCN
14
•−
CH3
H3C
ESR / 183
N
Cr(CO)4
N: 0.082
H(2): 0.361
H(3, CH3): 0.007
H(4, CH3): 0.363
H(5): 0.317
N
H3C
IR and UV-VIS spectroelectrochemistry, electrochemistry, DFT
calculations
CH3
[C20H16N2O4W] •−
•−
CH3
H3C
electrochemical generation
2.0049
THF
14
ESR / 298
N
00Far
N: 0.023
H(2): 0.425
H(4, CH3): 0.304
H(5): 0.160
W(CO)4
N
H3C
IR and UV-VIS spectroelectrochemistry, electrochemistry, DFT
calculations
H3C
[C20H25MoN3O3] •−
iPr
N
CH3
1.9999
THF
95,97
86Bel1
Mo: 0.30
N: 0.705
H: 0.425
H(tPr): 0.150
14
ESR / 298
Mo(CO)3 C N
N
iPr
•−
chemical reduction
CH3
electrochemistry, UV-VIS and IR spectroscopy
[C20H27MoN4O3P] •−
•−
N
N
electrolysis
2.0025
acetonitrile
31
88Olb
P: 2.88
N(1): 0.45
14
ESR / 298
Mo(CO)3(PiPr3)
N
N
IR and UV-VIS spectroscopy, electrochemistry
[C20H27N4O3PW] •−
•−
N
N
electrolysis
2.0016
acetonitrile
31
P: 1.93
ESR / 298
W(CO)3(PiPr3)
N
N
Landolt-Börnstein
New Series II/26A2
IR and UV-VIS spectroscopy, electrochemistry
88Olb
104
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C21H13MoO4] •−
photochemical reaction
1.9957
91Han
toluene
95,97
•
O
ESR / 298
Mo: 1.12
H(1,3,6,8): 0.10
Mo(Cp)(CO)2
O
[C22H6N4O14W3] •−
electrochemical reduction 2.0031
•−
(CO)5W N
N
THF
N W(CO)5
ESR / 298
N
W(CO)4
88Ern1
14
N(1): 0.34
H(2): 0.17
14
N(3): 0.17
H(6): 0.34
IR and UV-VIS spectroscopy, electrochemistry
[C22H8N6O10W2] •−
electrolysis
•−
N N
(CO)5W N
N W(CO)5
N N
2.0039
90Kai2
14
dichloromethane
N: 0.493
ESR / 298
electrochemistry, IR and UV-VIS spectroscopy
[C22H10MoN4O4] •−
•
N
N
N
N
•−
Mo(CO)4
N
N 6
14
N(9,14): 0.52
ESR / 293
electrochemically
generated
THF
5
3
99Fee
electrochemistry, UV-VIS spectroscopy and
spectroelectrochemistry
[C22H10Mo2N4O8] •−
N
Mo(CO)4
2.00333
THF
Mo(CO)4
N
electrochemically
generated
ESR / 298
4
2.0028
95Kai
14
N(pz): 0.374
N(py): 0.163
H5: 0.163
H3, Hpz: 0.108
H6: 0.052
14
electrochemistry, IR and UV-VIS spectroelectrochemistry
[C22H28CrO6] •+
•+
oxidation with [FeCp2]+
in dichloromethane
dichloromethane
Cr
OC
OC C
EtOOC
COOEt
C
1.9936
92Con
53
Cr: 1.68
C: 0.91
ESR / 298
(continued)
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
105
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
[C22H28CrO2] •+ (continued)
dichloromethane/THF
g1 = 1.979
g2 = 1.995
g3 = 2.007
ESR / 77
Ref. /
add. Ref.
electrochemistry, MO calculations
[C22H29MoN3O3] •−
tBu
N
CH3
•−
chemical reduction
1.9986
THF
95,97
N
tBu
Mo: 0.37
N: 0.700
H: 0.420
14
ESR / 298
Mo(CO)3 C N
86Bel1
CH3
electrochemistry, UV-VIS and IR spectroscopy
[C22H33MoN3O3] •−
•−
Cy
N
chemical reduction
1.9967
THF
14
86Bel1
N: 0.670
ESR / 298
Mo(CO)3(CNtBu)
N
Cy
electrochemistry, UV-VIS and IR spectroscopy
[C23H33MoN4O3P] •−
•−
N
N
reduction with potassium
2.0022
THF
31
88Ern2
P: 3.57
N(1): 0.10
14
N(2): 0.519
H(5): 0.2067
H(6): 0.30
14
ESR / 298
Mo(CO)3(PBu3)
N
N
IR, UV-VIS and NMR spectroscopy, electrochemistry
[C23H33MoN4O3P] •−
N
•−
N
reduction with potassium
2.0017
THF
31
P: 1.760
N(1): 0.26
14
N(3): 0.26
H(5): 0.13
H(6): 0.13
14
ESR / 298
Mo(CO)3(PBu3)
N
N
88Ern2
IR, UV-VIS and NMR spectroscopy, electrochemistry
[C23H33MoN4O3P] •−
•−
N
N
reduction with potassium
2.0027
THF
31
P: 3.44
N(1): 0.45
H(5): 0.45
14
ESR / 298
Mo(CO)3(PBu3)
88Ern2
N
N
Landolt-Börnstein
New Series II/26A2
IR, UV-VIS and NMR spectroscopy, electrochemistry
106
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C23H33MoN4O3P] •−
electrolysis
2.0025
88Olb
acetonitrile
31
•−
N
P: 4.13
N(1): 0.46
H(5): 0.46
14
N
ESR / 298
Mo(CO)3(PBu3)
N
N
IR and UV-VIS spectroscopy, electrochemistry
[C22H33N3O3W] •−
•−
Cy
N
chemical reduction
2.0037
THF
14
86Bel1
N: 0.680
ESR / 298
W(CO)3(CNtBu)
N
Cy
electrochemistry, UV-VIS and IR spectroscopy
[C24H8N2O10W2] •−
•−
reduction with potassium
metal
THF
(CO)5W N
N W(CO)5
ESR / 298
2.0052
96Wal
183
W: 0.139
H(1): 0.166
H(3): 0.025
14
N: 0.458
electrochemistry, UV-VIS spectroscopy
[C24H16Cr] •+
chemical reaction
1.9903
88Els
53
•+
Cr
chloroform / dimethylformamide 1:1
Cr: 1.782
H(1,4): 0.250
H(2,3): 0.442
ESR / 223
chloroform / dimethylformamide 1:1
g||: 1.9998
g⊥: 1.9749
ESR / 173
[C24H24CrNO6] •−
•
O
tBu
tBu
chemical reaction
2.00398
THF
14
ESR / 293
89Pro
N: 0.8
H: 0.21
N
Cr(CO)4
O
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
107
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C24H24MoNO6] •−
chemical reaction
2.00398
89Pro
THF
14
•
O
tBu
tBu
ESR / 293
N: 0.78
H: 0.2
N
Mo(CO)4
O
[C25H22CrNO5] •
•
Me
hexane
ESR / 298
Me
(OC)5Cr
86Sei
chemical reaction
14
N: 0.560
H(CH3-p): 0.230
H(CH3-o): 0.115
H(CH3-m): 0.115
Me
Me
C N C
Me
crystal structure, IR and UV-VIS spectroscopy,
electrochemistry
Me
[C26H33MoN3O3] •−
Cy
N
CH3
•−
1.9980
THF
14
86Bel1
N: 0.680
ESR / 298
Mo(CO)3 C N
N
Cy
CH3
electrochemistry, UV-VIS and IR spectroscopy
[C26H36F12Mo2N2O10] 2•
chemical reaction
2•
CF3
O
N
CF3
O
O
O Mo
O
O
F3C
O
Mo O
O
powder
ESR / RT
magnetic susceptibility, UV-VIS spectroscopy
•
NO
chemical reaction
1.9979
hexane
H(CH2, a): 1.20
H(CH2, b): 0.10
diastereotopic
ESR / 298
CH2SiMe
31
P: 2.60
N: 0.50
H(cp): 0.06
14
crystal structure
Landolt-Börnstein
New Series II/26A2
86Fel
N
[C27H31CrNOPSi] •
Cr
2.0048
O
CF3
Ph3P
chemical reduction
91Her
108
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C28H18Cr2N4O8] •−
reduction with Bu4NBH4
2.0021
99Kle
acetone
14
Cr(CO)4
N
N Ph
H3C
Ph N
N
Cr(CO)4
•
ESR / 298
CH3
electrochemistry, UV-VIS spectroscopy, spectroelectrochemistry
[C28H18Mo2N4O8] •−
Mo(CO)4
N
N Ph
H3C
Ph N
N
Mo(CO)4
•
Ph N
reduction with Bu4NBH4
2.0029
acetone
95,97
ESR / 298
electrochemistry, UV-VIS spectroscopy, spectroelectrochemistry
N
W(CO)4
•
reduction with Bu4NBH4
2.0036
acetone
14
N: 0.330
CH3
electrochemistry, UV-VIS spectroscopy, spectroelectrochemistry
•
photolysis in the presence
of spin trap
Ar
N S P(OEt)2
Ar Mo S
S NN O
S N
N
S Mo O
O
Ph
(EtO)2P S O C
Ar = p-tolyl
CH3
[C31H53CrN3O4] •2+
• 2+
CH3
O tBu
Cr
N
99Kle
ESR / 298
[C30H43Mo2N5O8P2S6] •
H3C N
Mo: 0.247
N: 0.335
CH3
W(CO)4
N
N Ph
N
99Kle
14
[C28H18N4O8W2] •−
H3C
N: 0.339
O
2.006
91Liz
14
N: 0.339
dichloromethane
ESR / 298
UV-VIS spectroscopy
electrochemically generated no X band signal
at Q band:
dichloromethane
1.98
ESR / 10
⏐D⏐ = 0.52 cm–1
E / D = 0.05
00Mül
tBu
O
MeO
electrochemistry, UV-VIS and resonance Raman spectroscopy
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
Substance
Generation / Matrix or
Solvent / Method / T [K]
[C32H22MoN8O4Ru] •+
N
Mo(CO)4
(bpy)2Ru
N
g-Factor /
a-Value [mT]
electrochemically generated 1.9964
•+
N
109
dichloroethane
Ref. /
add. Ref.
91Mat1
14
N: 0.24
ESR
N
electrochemistry, UV-VIS spectroscopy
[C32H39CrNO6] •−
•−
tBu
2.0034
THF
53
ESR / 298
Cr: 0.24
N: 0.79
H(3): 0.27
H(7): 0.27
H(9): 0.22
Cr(CO)4
chemical reaction
2.0045
THF
95,97
N
O
tBu
tBu
[C32H39MoNO6] •−
•−
tBu
ESR / 298
Mo: 0.38
N: 0.78
H(3): 0.28
H(7): 0.28
H(9): 0.22
Mo(CO)4
chemical reaction
2.0080
THF
183
N
O
tBu
tBu
[C32H39NO6W] •−
•−
tBu
ESR / 298
W: 0.24
N: 0.80
H(3): 0.24
H(7): 0.24
H(9): 0.24
W(CO)4
electrochemical generation
2.0022
dichloroethane
185,187
N
O
tBu
tBu
[C33H21MoN4O7PRe] •
Mo(CO)4
N
N
N
N
Re(CO)3PPh3
Landolt-Börnstein
New Series II/26A2
89Kar
14
O
tBu
89Kar
14
O
tBu
89Kar
14
O
tBu
chemical reaction
•
Re: 1.7
P: 1.7
31
ESR / 298
electrochemistry, UV-VIS spectroscopy, luminescence
91Mat2
110
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C34H51Mo2N5O8P2S6] •
photolysis in the presence of
spin trap
2.007
91Liz
•
Ar
N S P(OEt)2
Ar Mo S
S N
O
S N
N
S Mo O
O
Ph
(OEt)2P S O C
14
N: 0.339
dichloromethane
ESR / 298
R'
R' = pr
Ar = m-xylyl
UV-VIS spectroscopy
[C34H60MoN4O2P2] •−
•−
N
N
Mo(CO)2(PBu3)2
reduction with potassium
metal
2.007
THF
14
88Ern2
31
P: 3.40
N(2): 0.44
ESR / 298
N
N
IR, UV-VIS and NMR spectroscopy, electrochemistry
[C34H60MoN4O2P2] •−
N
•−
N
Mo(CO)2(PBu3)2
reduction with potassium
metal
2.0024
88Ern2
31
86Kai3
THF
14
ESR / 298
N
P(2 P): 1.974
N(2 N): 0.283
14
N(2 N): 0.24
H(4 H): 0.14
IR, UV-VIS and NMR spectroscopy, electrochemistry
N
[C34H60MoN4O2P2] •−
•−
N
N
Mo(CO)2(PBu3)2
reduction with potassium
metal
2.0017
THF
14
ESR / 298
88Ern2
31
P: 3.55
N(1): 0.43
H(5): 0.43
N
N
IR, UV-VIS and NMR spectroscopy, electrochemistry
[C34H60MoN4O2P2] •−
reduction with potassium
metal
2.0014
THF
14
•−
N
N
N
N
Mo(CO)2(PBu3)2
ESR / 298
88Ern2
31
P: 1.593
N(1): 0.18
14
N(3): 0.18
H(5): 0.488
IR, UV-VIS and NMR spectroscopy, electrochemistry
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
Substance
Generation / Matrix or
Solvent / Method / T [K]
[C35H25MoO5P2] •
irradiation of precursor in the
presence of ligand
O
O
O
Ph2
P
Mo(CO)2Cp
P
Ph2
•
THF
111
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
95Mey
31
P(1): 0.928
P(2): 0.928
31
ESR / 298
IR spectroscopy, electrochemistry
[C35H44MoNO4] •
tBu
O MoCp(CO)2
N
tBu
•
chemical reaction
1.9950
THF
95,97
ESR / 293
toluene
tBu
95
89Kar
ESR / 298
Mo: 0.85
N: 0.77
H(3): 0.22
H(7): 0.22
H(9): 0.18
chemical reaction
1.9851
89Pro
14
[C35H44NO4W] •
tBu
Mo: 0.85
N: 0.77
H: 0.23, 0.22, 0.19
14
O
tBu
89Pro
O WCp(CO)2
N
tBu
•
THF
14
N: 0.66
ESR / 293
O
tBu
tBu
[C36H27MoO5P2] •
O
O
O
Ph2
P
Mo(CO)2Cp'
P
Ph2
•
irradiation
2.009
THF
31
P(1): 0.97
P(2): 0.96
31
ESR / 298
dichloromethane
2.005
ESR / 298
95,97
Mo: 0.068
P(1): 0.826
31
P(2): 0.826
31
IR spectroscopy, electrochemistry
Landolt-Börnstein
New Series II/26A2
95Mey
91Fei
112
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C37H27MoO6P2] •
irradiation of Cp'2Mo2(CO)6 in
the presence of ligand
2.008
95Mey
THF
31
Ph2
P
Mo(CO)3Cp'
O
O
•
P(1): 1.00
P(2): 0.38
ESR / 298
PPh2
O
31
dichloromethane
2.004
ESR / 298
95,97
91Fei
Mo: 0.052
P(1): 0.245
31
P(2): 0.902
31
IR spectroscopy, electrochemistry
[C37H29MoO4P2] •
O
O
Ph2
P
Mo(CO)2Cp'
P
Ph2
•
irradiation of Cp'2Mo2(CO)6 in
the presence of ligand
2.004
dichloromethane
31
ESR / 298
95Mey
31
P(1): 1.01
P(2): 1.01
H(1): 0.29
H(2): 0.29
IR spectroscopy, electrochemistry
[C37H30MoNO4P2] •
O
H3C N
O
Ph2
P
Mo(CO)2Cp'
P
Ph2
•
irradiation of Cp'2Mo2(CO)6 in
the presence of ligand
2.006
THF
31
95Mey
31
P(1): 0.96
P(2): 0.96
ESR / 298
dichloromethane
2.007
ESR / 298
31
95Mey
P(1): 0.94
P(2): 0.94
31
IR spectroscopy, electrochemistry
[C38H58N2O8P2W2] •−
C N W(CO)4(PBu3)
•−
reduction with potassium metal
2.0037
acetonitrile
31
P(1): 1.028
P(4): 0.668
14
N(1): 0.668
14
N(CN): 0.334
14
N(3,5): 0.164
H(2,6): 0.216
31
ESR / 298
N
W(CO)4(PBu3)
89Olb1
IR, UV-VIS and NMR spectroscopy, electrochemistry
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
113
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C43H66CrNO8P] •−
chemical reaction
2.0040
89Kar
THF
31
•−
tBu
Cr(CO)3(P(OBu)3)
tBu
ESR / 298
P: 5.67
N: 0.73
H(3): 0.21
H(7): 0.21
H(9): 0.21
chemical reaction
2.0005
THF
95,97
14
O
N
O
tBu
tBu
[C43H66MoNO8P]
•−
•−
tBu
ESR / 298
Mo(CO)3(P(OBu)3)
N
O
tBu
Mo: 0.76
P: 3.78
14
N: 0.78
H(3): 0.24
H(7): 0.24
H(9): 0.24
31
O
tBu
89Kar
tBu
[C46H54B2Cr] •−
electrochemical generation
•−
96Els
11
DME
B: 0.78
ESR / 238
B
2
2.0058
Cr
B
2
[C52H94N2O6P4W2] •−
W(CO)3(PiPr3)2
N
•−
electrochemistry, NMR spectroscopy
reduction with potassium
metal in the presence of
cryptand
THF
ESR / 298
N
W(CO)3(PiPr3)2
Landolt-Börnstein
New Series II/26A2
2.0049
183
W: 0.22
H(2): 0.059
H(3): 0.199
31
P: 1.502
14
N: 0.432
electrochemistry, IR and UV-VIS spectroscopy,
spectroelectrochemistry
95Bru1
114
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C53H41ClCrN6O] •
chemical reaction
1.93
94Kit
1.89
94Kit
2.0040
95Bru1
O
N
•
solid state
tBu
N
N
N
Cr
N
N
magnetic measurements
Cl
[C53H41ClCrN6O] •
chemical reaction
•
tBu
N
solid state
O
N
N
N
Cr
N
N
magnetic measurements
Cl
[C54H94N6O6P4W2] •−
W(CO)3(PiPr3)2
N
•−
reduction with potassium
metal in the presence of
cryptand
14
N: 0.500
THF
ESR / 298
N
N
N
N
N
W(CO)3(PiPr3)2
electrochemistry, IR and UV-VIS spectroscopy,
spectroelectrochemistry
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
115
g-Factor /
a-Value [mT]
Substance
Generation / Matrix or
Solvent / Method / T [K]
[C57H49ClCrN6O5] •
reaction of
1.82
chlorochromiumporphyrin
with 3NOpy
•
O
N
tBu
Ref. /
add. Ref.
94Kit
solid state
N
Ar
N
N
Cr
N
N
Ar
Ar
Ar
Cl
OCH3
Ar =
magnetic measurements
[C57H49ClCrN6O5] •
tBu
N
chemical reaction
94Kit
chemical reaction
1.9730
89Kar
THF
53
solid state
•
O
1.86
N
Ar
N
N
Cr
N
N
Ar
Ar
Ar
OCH3
Ar =
Cl
magnetic measurements
[C58H78CrN2O6] •+
O
N
CO(THF)
N
Cr
O
CO(THF)
•+
ESR / 298
O•
tBu
O
N
tBu
N
=
O
tBu
Landolt-Börnstein
New Series II/26A2
Cr: 2.45
N: 0.61
14
tBu
116
3.7 Complexes of group 6 (Cr, Mo, W)
[Ref. p. 329
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C58H78CrN2O6] •−
chemical reaction
1.9660
89Kar
THF
53
•−
CO(THF)
N
Cr
O
CO(THF)
O
N
Cr: 2.45
N: 0.47
H(3): 0.07
H(7): 0.07
H(9): 0.07
14
ESR / 298
O•
tBu
O
N
tBu
N
=
O
tBu
[C59H41MoO5P2]
tBu
•
Ph
Ph2
Ph
P
Ph
Mo(CO)2
P
H Ph
Ph2
O
O
O
irradiation of precursor in
the presence of ligand
•
THF
ESR / 298
2.006
95Mey
95,97
91Fei
Mo: 0.085
P(1): 0.906
31
P(2): 1.007
31
IR spectroscopy, electrochemistry
o-dichlorobenzene
2.0058
ESR / var. T
31
89Mao2
P(1): 0.901
P(2): 0.994
31
coalescence at higher T
31
P: 0.892
[C60H41MoO6P2] •
Ph2
P
O
O
Ph
Mo(CO)3
PPh2
O
Ph
Ph
H Ph
[C60H114Mo2N4O4P4] •−
Mo(CO)2(PBu3)2
N
N
N
N
Mo(CO)2(PBu3)2
•
irradiation of precursor in
the presence of ligand
THF
2.004
31
P(1): 0.886
P(2): 0.346
31
ESR / 298
IR spectroscopy, electrochemistry
electrochemically generated 2.0011
•−
95Mey
THF
95Kai
14
N: 0.225
P: 1.440
H(5): 0.450
31
ESR / 298
electrochemistry, IR and UV-VIS spectroelectrochemistry
Landolt-Börnstein
New Series II/26A2
Ref. p. 329]
3 Radicals in metal complexes
117
Substance
Generation / Matrix or
Solvent / Method / T [K]
g-Factor /
a-Value [mT]
Ref. /
add. Ref.
[C64H45MoO4P2] •
irradiation of precursor in the
presence of ligand
2.004
91Fei
Ph2
Ph
P
Mo(CO)
P
Ph
Ph2
O
O
O
•
Ph
THF
Ph
Ph
Ph
Ph2
Ph
P
Ph
Mo(CO)2
P
Ph Ph
Ph2
O
O
IR and UV-VIS spectroscopy
irradiation of precursor in the
presence of ligand
•
THF
ESR / 298
Ph
Ph2
Ph
P
Ph
Mo(CO)2
PPh2
Ph Ph
O
O
irradiation of precursor in the
presence of ligand
•
THF
ESR / 298
Mo(CO)2(PBu3)2
N
N
N
Mo(CO)2(PBu3)2
Landolt-Börnstein
New Series II/26A2
91Fei
95,97
Mo: 0.075
P(1): 1.038
31
P(2): 1.038
31
2.003
91Fei
95,97
Mo: 0.049
P(1): 0.230
31
P(2): 0.561
31
IR and UV-VIS spectroscopy
[C66H118Mo2N4O4P4] •−
N
2.006
IR and UV-VIS spectroscopy
[C65H45MoO5P2] •
O
P(1): 1.201
P(2): 1.201
31
ESR / 298
[C65H45MoO5P2] •
O
31
electrochemically generated
•−
2.0020
95Kai
31
THF
P: 1.650
ESR / 298
electrochemistry, IR and UV-VIS spectroelectrochemistry