Structure Data of Free Polyatomic Molecules
102
MW
Br2H3N
Ammonia – dibromine (1/1)
(weakly bound complex)
rs
Br–Br
N...Br(i)
Atom
Br(i)
Br(o)
N
Å a ) b)
2.335(10)
2.72(2)
C3v
(effective symmetry class)
(large-amplitude motion)
NH3 · Br2
zs [Å] a) b)
–0.75
1.549
–3.45
The intermolecular stretching force constant kσ is estimated to be 18.5 N m–1.
a
) Assuming β = 10(3)°.
) In H315N...Br2.
b
Bloemink, H.I., Legon, A.C.: J. Chem. Phys. 103 (1995) 876.
Landolt-Börnstein
New Series II/28A