Structure Data of Free Polyatomic Molecules
207
MW
C2H2ClF
Isotopic
species
C2H2 · 35ClF
C2H2 · 37ClF
C2D2 · 35ClF
Acetylene – chlorine fluoride (1/1)
(weakly bound complex)
r0(Rcm)
[Å]
3.443(4)
3.422(4)
3.439(4)
r0(cm...Cl) a)
[Å]
2.873(8)
2.873(8)
2.869(8)
θ0(αav) b)
[deg]
78(4)
78(4)
80(4)
a
) cm denotes the center of acetylene.
) See figure for the definition.
c
) Intermolecular stretching force constant.
b
Hinds, K., Holloway, J.H., Legon, A.C.: J. Chem.
Soc., Faraday Trans. 92 (1996) 1291.
Landolt-Börnstein
New Series II/28B
θ0(βav) b)
[deg]
7(3)
7(3)
7(3)
C2v
(effective symmetry class)
(large-amplitude motion)
HC≡CH · ClF
kσ c)
[N m–1]
10.01
10.03
10.0