Structure Data of Free Polyatomic Molecules
48
MW
Ar3H3N
Å a)
r0
b
Ar...cm ) 3.814(5)
Ammonia – argon (1/3)
(weakly bound complex)
θ0
b
Ar...cm...Ar )
deg a)
60.9(5)
A small inversion tunneling splitting was observed for each
of the deuterium containing isotopomers: ND3 · 3Ar,
ND2H · 3Ar and NDH2 · 3Ar.
a
) Uncertainty was not estimated in the original paper.
) cm denotes the center of mass of NH3.
b
Van Wijngaarden, J., Jäger, W.: J. Chem. Phys. 116 (2002) 2379.
Landolt-Börnstein
New Series II/28A
C3v
(effective symmetry class)
(large-amplitude motion)
NH3 · 3Ar