Structure Data of Free Polyatomic Molecules
296
C2H6Cl2Te
ED, ab initio
calculations
ra
Te–C
Te–Cl
C–H
Å a)
2.132(5)
2.504(3)
1.104(8)
Dimethyltellurium dichloride
Dichlorodimethyltellurium
Dichlorodimethyl-λ4-tellane
deg a)
Te–C–H 107(2)
Cl–Te–Cl 170(2)
C–Te–C
97(5)
Cl–Te–C
86.6(5)
b
53(10)
τ )
θa
C2 assumed
Cl
Cl
Te
CH3
H 3C
The C2TeCl2 frame was assumed to have effective
C2v symmetry. It was assumed that the TeCH3 groups
have local C3v symmetry and the whole molecule has
C2 symmetry as indicated by MP2 calculations.
The nozzle temperature was 87(3) °C.
a
) Twice the estimated standard errors including a systematic error.
) C–Te–C–H torsional angle from the anti position.
b
Haaland, A., Martinsen, K.-G., Tafipolsky, M.A., Volden, H.V., Rösler, R., Breunig, H.J.:
J. Mol. Struct. 413-414 (1997) 301.
Landolt-Börnstein
New Series II/28B