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Structure Data of Free Polyatomic Molecules
103
MW
Br2H3P
Isotopic species
H3P · 79Br79Br
H3P · 81Br79Br
H3P · 79Br81Br
H3P · 81Br81Br
D3P · 79Br79Br
D3P · 81Br79Br
Dibromine – phosphine (1/1)
(weakly bound complex)
r0(Rcm) [Å]
4.2533(7)
4.2393(8)
4.2681(8)
4.2540(7)
4.2969(6)
4.2828(6)
r0(P...Br(i)) [Å]
3.0432(7)
3.0434(8)
3.0436(8)
3.0438(7)
3.0298(6)
3.0299(6)
kσ [N m–1] a)
9.78
9.84
9.87
9.70
9.83
9.78
The P...Br(i) bond is a relatively strong one.
a
) Intermolecular stretching force constant.
Waclawik, E.R., Legon, A.C.: Chem. Eur. J. 6 (2000) 3968.
Landolt-Börnstein
New Series II/28A
C3v
(effective symmetry class)
(large-amplitude motion)
Br2 · PH3