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Geometry for Si2H4 (Disilene) 1AG C2H

1910171554
InChI=1S/H4Si2/c1-2/h1-2H2 INChIKey=

MP2/STO-3G


Point group is C2h
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
Si1 0.0000 1.0544 0.0000   0.0000 0.0000 1.0544
Si2 0.0000 -1.0544 0.0000   0.0000 0.0000 -1.0544
H3 0.6015 1.6701 1.1594   1.1434 0.6314 1.6701
H4 0.6015 1.6701 -1.1594   -1.1746 0.5713 1.6701
H5 -0.6015 -1.6701 1.1594   1.1746 -0.5713 -1.6701
H6 -0.6015 -1.6701 -1.1594   -1.1434 -0.6314 -1.6701
Atom - Atom Distances (Å)
  Si1 Si2 H3 H4 H5 H6
Si1 2.1088 1.4440 1.4440 3.0214 3.0214
Si2 2.1088 3.0214 3.0214 1.4440 1.4440
H3 1.4440 3.0214 2.3187 3.5503 4.2404
H4 1.4440 3.0214 2.3187 4.2404 3.5503
H5 3.0214 1.4440 3.5503 4.2404 2.3187
H6 3.0214 1.4440 4.2404 3.5503 2.3187
Maximum atom distance is 4.2404Å between atoms H3 and H6.
picture of Disilene
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
Si1 Si2 H5 115.239 Si1 Si2 H6 115.239
Si2 Si1 H3 115.239 Si2 Si1 H4 115.239
H3 Si1 H4 106.816 H5 Si2 H6 106.816

For information on specific bond angles or dihedrals see the geometry comparison page in section Comparisons > Geometry > Bonds, angles.