002000028b_99.pdf

Structure Data of Free Polyatomic Molecules
97
MW
CH2ClFO
Formaldehyde – chlorine fluoride (1/1)
Cs
(weakly bound complex)
(effective symmetry class)
(large-amplitude motion)
H
O . ClF
r0
Å
H2CO · 35ClF D2CO · 35ClF
O...Cl 2.523(7)
2.521(12)
θ0
H2CO · 35ClF
αaz ) 11.8(4)
ϕ a) 110.9(7)
3.2(7)
β a)
a
deg
H2CO · 37ClF
12.2(8)
H
D2CO · 35ClF
12.8(12)
110.2(11)
3.0(20)
Interpretation of the spectroscopic constants led
to the conclusion that H2CO · ClF is a planar
complex of Cs symmetry.
a
) See figure for the definition.
Cooke, S.A., Corlett, G.K., Evans, C.M., Legon, A.C., Holloway, J.H.: J. Chem. Phys. 108
(1998) 39.
Landolt-Börnstein
New Series II/28B