Structure Data of Free Polyatomic Molecules
253
MW
C2H4BrF
r0
F...H
Å a)
2.205(9)
Fluoroethene – hydrogen bromide (1/1)
Cs
(weakly bound complex)
(effective symmetry class)
(large-amplitude motion)
θ0
b
θ )
φ b)
deg a)
20.0(1)
123.8(5)
A detailed interpretation of the χ tensor leads to
the conclusion that the complex is planar, or nearly so.
a
) ψ = 0 assumed; ψ is the dihedral angle between the
FCC and FHBr planes.
b
) See figure for the definition.
Legon, A.C., Ottaviani, P.: Phys. Chem. Chem. Phys. 4 (2002) 4103.
Landolt-Börnstein
New Series II/28B
H
H
. HBr
H
F