002000028c_219.pdf

Structure Data of Free Polyatomic Molecules
549
MW
C4H7ClO
r0
Å
O...H 1.88(3)
O...Cl 3.14(3)
Cyclobutanone – hydrogen chloride (1/1)
Cs
(weakly bound complex)
(effective symmetry class)
(large-amplitude motion)
θ0
ψ a)
φ a)
β a)
deg
107.0(5)
112.3(7)
13.1(6)
The spectroscopic constants have been interpreted
in terms of Cs symmetry in which the monomers
are coplanar.
a
) See figure for the definition.
Antolínez, S., López, J.C., Alonso, J.L.: Chem. Phys. Lett. 323 (2000) 130.
Landolt-Börnstein
New Series II/28C
O . HCl