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Geometry for SiH2(CH3)2 (dimethylsilane) 1A1 C2V

1910171554
InChI=1S/C2H8Si/c1-3-2/h3H2,1-2H3 INChIKey=UBHZUDXTHNMNLD-UHFFFAOYSA-N

B97D3/6-311+G(3df,2p)


Point group is C2v
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
Si1 0.0000 0.0000 0.5520   0.0000 0.5520 0.0000
H2 -1.2044 0.0000 1.4356   0.0000 1.4356 -1.2044
H3 1.2044 0.0000 1.4356   0.0000 1.4356 1.2044
C4 0.0000 1.5545 -0.5141   1.5545 -0.5141 0.0000
C5 0.0000 -1.5545 -0.5141   -1.5545 -0.5141 0.0000
H6 0.0000 2.4597 0.1020   2.4597 0.1020 0.0000
H7 0.0000 -2.4597 0.1020   -2.4597 0.1020 0.0000
H8 0.8856 1.5859 -1.1585   1.5859 -1.1585 0.8856
H9 -0.8856 1.5859 -1.1585   1.5859 -1.1585 -0.8856
H10 -0.8856 -1.5859 -1.1585   -1.5859 -1.1585 -0.8856
H11 0.8856 -1.5859 -1.1585   -1.5859 -1.1585 0.8856
Atom - Atom Distances (Å)
  Si1 H2 H3 C4 C5 H6 H7 H8 H9 H10 H11
Si1 1.4937 1.4937 1.8850 1.8850 2.5006 2.5006 2.4950 2.4950 2.4950 2.4950
H2 1.4937 2.4087 2.7692 2.7692 3.0462 3.0462 3.6894 3.0571 3.0571 3.6894
H3 1.4937 2.4087 2.7692 2.7692 3.0462 3.0462 3.0571 3.6894 3.6894 3.0571
C4 1.8850 2.7692 2.7692 3.1091 1.0950 4.0613 1.0956 1.0956 3.3259 3.3259
C5 1.8850 2.7692 2.7692 3.1091 4.0613 1.0950 3.3259 3.3259 1.0956 1.0956
H6 2.5006 3.0462 3.0462 1.0950 4.0613 4.9195 1.7711 1.7711 4.3290 4.3290
H7 2.5006 3.0462 3.0462 4.0613 1.0950 4.9195 4.3290 4.3290 1.7711 1.7711
H8 2.4950 3.6894 3.0571 1.0956 3.3259 1.7711 4.3290 1.7712 3.6328 3.1718
H9 2.4950 3.0571 3.6894 1.0956 3.3259 1.7711 4.3290 1.7712 3.1718 3.6328
H10 2.4950 3.0571 3.6894 3.3259 1.0956 4.3290 1.7711 3.6328 3.1718 1.7712
H11 2.4950 3.6894 3.0571 3.3259 1.0956 4.3290 1.7711 3.1718 3.6328 1.7712
Maximum atom distance is 4.9195Å between atoms H6 and H7.
picture of dimethylsilane
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C4 Si1 C5 111.301
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
Si1 C4 H6 111.074 Si1 C4 H8 110.962
Si1 C4 H9 110.962 Si1 C5 H7 111.074
Si1 C5 H10 110.962 Si1 C5 H11 110.962
H2 Si1 H3 107.553 H2 Si1 C4 109.477
H2 Si1 C5 109.477 H3 Si1 C4 109.477
H3 Si1 C5 109.477 H6 C4 H8 107.902
H6 C4 H9 107.902 H7 C5 H10 107.902
H7 C5 H11 107.902 H8 C4 H9 107.899
H10 C5 H11 107.899

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