Structure Data of Free Polyatomic Molecules
101
MW
CH2I2
a
Diiodomethane
Methylene iodide
r0
C–I
C–H
Å a)
2.135(3)
1.066(15)
rav b)
C–I
C–H
Å a)
2.1364(6)
1.078(2)
Atom
I
C
H
a0 [Å]
±1.7896
0.0
0.0
θ0
deg a)
113.90(30)
111.6(24)
θav b)
deg a)
113.83(5)
113.3(3)
I–C–I
H–C–H
I–C–I
H–C–H
b0 [Å]
–0.0654
1.0988
1.6981
C2v
CH2I2
c0 [Å]
0.0
0.0
±0.8822
) Three times the estimated standard errors.
) The authors call r* structure.
b
Kisiel, Z., Pszczółkowski, L., Favero, L.B., Caminati, W.: J. Mol. Spectrosc. 189 (1998) 283.
Landolt-Börnstein
New Series II/28B