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II.A.3. (XII.A.1.)

Listing of experimental geometry data for SiCl2 (Dichlorosilylene)

Rotational Constants (cm-1)
See section I.F.4 to change rotational constant units
0.49304 0.09415 0.07894
Rotational Constants from 1989Tan/Tak:2102
Calculated rotational constants for SiCl2 (Dichlorosilylene).

Point Group C2v

Internal coordinates (distances (r) in Å) (angles (a) in degrees) (dihedrals (d) in degrees)
Description Value Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rSiCl 2.076 1 2 1995Kuchitsu(II/23)
aClSiCl 104.2 2 1 3 1995Kuchitsu(II/23)
picture of Dichlorosilylene

Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
Si-Cl 2

Atom x (Å) y (Å) z (Å)
Si1 0.0000 0.0000 0.0000
Cl2 1.6381 1.2753 0.0000
Cl3 -1.6381 1.2753 0.0000

Atom - Atom Distances (Å)
  Si1 Cl2 Cl3

Calculated geometries for SiCl2 (Dichlorosilylene).

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squib reference DOI
1989Tan/Tak:2102 Tanimoto, M.; Takeo, H.; Matsumura, C.; Fujitake, M.; Hirota, E. "Microwave spectroscopic detection of dichlorosilylene SiCl2 in the ground state." Journal of Chemical Physics. 91, 2102-2107 (1989) 10.1063/1.457070
1995Kuchitsu(II/23) Kuchitsu (ed.), Landolt-Bornstein: Group II: Molecules and Radicals Volume 23: Structure Data for Free Polyatomic Molecules. Springer. Berlin. 1995  

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