PM7 Accuracy Date:Mon Feb 11 04:20:05 2019

sime4r   1889 Tetramethylsilane (Geo)

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    #  Species Formula
  1879 MethylsilylCH5Si
  1880 MethylsilaneCH6Si
  1881 Methylsilane (Geo)CH6Si
  1882 VinylsilaneC2H6Si
  1883 DimethylsilylC2H7Si
  1884 DimethylsilaneC2H8Si
  1885 EthylsilaneC2H8Si
  1886 TrimethylsilylC3H9Si
  1887 TrimethylsilaneC3H10Si
  1888 DiethylsilaneC4H12Si
  1889 Tetramethylsilane (Geo) C4H12Si
  1890 TetramethylsilaneC4H12Si
  1891 1,1-DimethylsilacyclobutaneC5H12Si
  1892 TriethylsilaneC6H16Si
  1893 SiC4(-) (FOGMET) (Geo)C8H13Si
  1894 SiC4(-) (FOGMET)C8H13Si
  1895 TetraethylsilaneC8H20Si
  1896 Silicon nitride (Geo)NSi
  1897 SiC4 (BAWNUI) (Geo)C4H9NSi
  1898 SiC4 (BAWNUI)C4H9NSi
  1899 SiC3N(+) (CASKIQ) (Geo)C8H14NSi


REF: J. H. Callomon, E. Hirota, K. Kuchitsu, W. J. Lafferty, A. G. Maki, C. S. Pote, "Structure Data on Free Polyatomic Molecules," Landolt-Bornstein, New Series, Group II, Vol. 7, Springer, Berlin (1976).
  
 SYMMETRY PM7
Tetramethylsilane
 <Si-C> < > <Si-C-H> GR=CHKL1976
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 Si     1.87500000 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.87500000 +0  109.4712210 +0    0.0000000 +0     2     1     0
  H     1.10355565 +1  110.9819470 +1  180.0000000 +0     3     2     1
  C     1.87500000 +0  109.4712210 +0   60.0000000 +0     2     3     4
  C     1.87500000 +0  109.4712210 +0  -60.0000000 +0     2     3     4
  H     1.10355565 +0  110.9819470 +0   60.0000000 +0     3     2     1
  H     1.10355565 +0  110.9819470 +0  -60.0000000 +0     3     2     1
  H     1.10355565 +0  110.9819470 +0  180.0000000 +0     1     2     3
  H     1.10355565 +0  110.9819470 +0   60.0000000 +0     1     2     3
  H     1.10355565 +0  110.9819470 +0  -60.0000000 +0     1     2     3
  H     1.10355565 +0  110.9819470 +0  180.0000000 +0     5     2     6
  H     1.10355565 +0  110.9819470 +0   60.0000000 +0     5     2     6
  H     1.10355565 +0  110.9819470 +0  -60.0000000 +0     5     2     6
  H     1.10355565 +0  110.9819470 +0  180.0000000 +0     6     2     5
  H     1.10355565 +0  110.9819470 +0   60.0000000 +0     6     2     5
  H     1.10355565 +0  110.9819470 +0  -60.0000000 +0     6     2     5