Structure Data of Free Polyatomic Molecules
251
IR
H 2N 2O 2
Isotopic species
N 2O ⋅ H 2O
N 2O ⋅ D 2O
Dinitrogen monoxide – water (1/1)
(weakly bound complex)
State
υ=0
υ3=1
υ=0
υ3=1
Rcm [Å] a)
2.964(8)
2.971(5)
2.992(6)
2.998(3)
α [deg] a) b)
β [deg] a) c)
84(1)
84(2)
83(2)
83(2)
58(13)
59(7)
57(13)
59(7)
Cs
(effective symmetry class)
(large-amplitude motion)
N 2O ⋅ H 2O
The structure was determined from the rotationally resolved
IR spectrum in the region of the ν3 fundamental band of N2O
under the assumption that the geometries of the monomer subunits are unchanged
upon complexation.
a
) Uncertainties were unidentified in the original paper.
) Angle between N=N=O axis and the intermolecular axis.
c
) Angle between C2v axis of water and the intermolecular axis.
b
Gimmler, G., Havenith, M.: J. Mol. Spectrosc. 216 (2002) 315.
II/25A(2, 709)
Landolt-Börnstein
New Series II/28A