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Computational Chemistry Comparison and Benchmark DataBase
Release 22 (May 2022) Standard Reference Database 101
National Institute of Standards and Technology
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Geometry for SiH2Cl2 (dichlorosilane)
1A1 C2V
1910171554
InChI=1S/Cl2H2Si/c1-3-2/h3H2 INChIKey=MROCJMGDEKINLD-UHFFFAOYSA-N
G3MP2
This model chemistry uses a geometry from
MP2=FULL/6-31G*
Point group is C2v
Atom |
Internal |
|
Principal |
x (Å) |
y (Å) |
z (Å) |
|
a (Å) |
b (Å) |
c (Å) |
Si1 |
0.0000 |
0.0000 |
0.7622 |
|
0.7622 |
0.0000 |
0.0000 |
H2 |
-1.2297 |
0.0000 |
1.5780 |
|
1.5780 |
-1.2297 |
0.0000 |
H3 |
1.2297 |
0.0000 |
1.5780 |
|
1.5780 |
1.2297 |
0.0000 |
Cl4 |
0.0000 |
1.6786 |
-0.4067 |
|
-0.4067 |
0.0000 |
1.6786 |
Cl5 |
0.0000 |
-1.6786 |
-0.4067 |
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-0.4067 |
0.0000 |
-1.6786 |
Atom - Atom Distances (Å)
|
Si1 |
H2 |
H3 |
Cl4 |
Cl5 |
Si1 |
| 1.4757 |
1.4757 |
2.0455 |
2.0455 |
H2 |
1.4757 |
| 2.4593 |
2.8755 |
2.8755 |
H3 |
1.4757 |
2.4593 |
| 2.8755 |
2.8755 |
Cl4 |
2.0455 |
2.8755 |
2.8755 |
| 3.3572 |
Cl5 |
2.0455 |
2.8755 |
2.8755 |
3.3572 |
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Maximum atom distance is 3.3572Å
between atoms Cl4 and Cl5.
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
Cl4 |
Si1 |
Cl5 |
110.196 |
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Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
H2 |
Si1 |
H3 |
112.911 |
|
H2 |
Si1 |
Cl4 |
108.432 |
H2 |
Si1 |
Cl5 |
108.432 |
|
H3 |
Si1 |
Cl4 |
108.432 |
H3 |
Si1 |
Cl5 |
108.432 |
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For information on specific bond angles or dihedrals
see the geometry comparison page in section
Comparisons > Geometry > Bonds, angles.