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Geometry for CH3SiH3 (methyl silane) 1A1 C3

1910171554
InChI=1S/CH6Si/c1-2/h1-2H3 INChIKey=UIUXUFNYAYAMOE-UHFFFAOYSA-N

MP2/CEP-31G*


Point group is C3v
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
C1 0.0000 0.0000 -1.2571   0.0000 1.2571 -0.0000
Si2 0.0000 0.0000 0.6413   0.0000 -0.6413 0.0000
H3 0.0000 -1.0331 -1.6460   -1.0331 1.6460 -0.0000
H4 -0.8947 0.5166 -1.6460   0.5166 1.6460 0.8947
H5 0.8947 0.5166 -1.6460   0.5166 1.6460 -0.8947
H6 0.0000 1.4053 1.1675   1.4053 -1.1675 0.0000
H7 -1.2171 -0.7027 1.1675   -0.7027 -1.1675 1.2171
H8 1.2171 -0.7027 1.1675   -0.7027 -1.1675 -1.2171
Atom - Atom Distances (Å)
  C1 Si2 H3 H4 H5 H6 H7 H8
C1 1.8984 1.1039 1.1039 1.1039 2.8025 2.8025 2.8025
Si2 1.8984 2.5098 2.5098 2.5098 1.5006 1.5006 1.5006
H3 1.1039 2.5098 1.7894 1.7894 3.7232 3.0833 3.0833
H4 1.1039 2.5098 1.7894 1.7894 3.0833 3.0833 3.7232
H5 1.1039 2.5098 1.7894 1.7894 3.0833 3.7232 3.0833
H6 2.8025 1.5006 3.7232 3.0833 3.0833 2.4341 2.4341
H7 2.8025 1.5006 3.0833 3.0833 3.7232 2.4341 2.4341
H8 2.8025 1.5006 3.0833 3.7232 3.0833 2.4341 2.4341
Maximum atom distance is 3.7232Å between atoms H4 and H8.
picture of methyl silane
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
C1 Si2 H6 110.529 C1 Si2 H7 110.529
C1 Si2 H8 110.529 Si2 C1 H3 110.629
Si2 C1 H4 110.629 Si2 C1 H5 110.629
H3 C1 H4 108.289 H3 C1 H5 108.289
H4 C1 H5 108.289 H6 Si2 H7 108.393
H6 Si2 H8 108.393 H7 Si2 H8 108.393

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