Structure Data of Free Polyatomic Molecules
138
MW
ClIN2
Å
4.2316(16) a)
4.2538(16) d)
N...I 3.180(2)
r0
Rcm
Iodine chloride – dinitrogen (1/1)
(weakly bound complex)
θ0
b
βav )
θav b)
φav b)
deg
5.0 c)
5.0 c)
15 c)
C∞v
(effective symmetry class)
(large-amplitude motion)
ICl · N2
The observed spectra were interpreted on the basis of a linear equilibrium geometry with the
weak bond formed between N and I.
The intermolecular stretching force
constant kσ is 5.37 N m–1.
a
) For 15N2 · I35Cl.
) Average angle. See figure for the definition.
c
) Assumed.
d
) For 15N2 · I37Cl.
b
Davey, J.B., Legon, A.C., Waclawik, E.R.: J. Mol. Struct. 500 (2000) 403.
Landolt-Börnstein
New Series II/28A