002000028c_181.pdf

Structure Data of Free Polyatomic Molecules
511
MW
C4H4N2Ne
r0
Rcm
Å
3.338(7)
Pyrimidine – neon (1/1)
(weakly bound complex)
θ0
ϕ a)
deg
82(1)
The intermolecular stretching force constant is 1.08 N m–1.
a
) See figure for the definition.
Caminati, W., Favero, P.G.: Chem. Eur. J. 5 (1999) 811.
Landolt-Börnstein
New Series II/28C
Cs
(effective symmetry class)
(large-amplitude motion)
N
N
. Ne