Accuracy

tetramethylsilane   1888 Tetramethylsilane

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    #  Species Formula
  1878 MethylsilaneCH6Si
  1879 Methylsilane (Geo)CH6Si
  1880 VinylsilaneC2H6Si
  1881 DimethylsilylC2H7Si
  1882 DimethylsilaneC2H8Si
  1883 EthylsilaneC2H8Si
  1884 TrimethylsilylC3H9Si
  1885 TrimethylsilaneC3H10Si
  1886 DiethylsilaneC4H12Si
  1887 Tetramethylsilane (Geo)C4H12Si
  1888 Tetramethylsilane C4H12Si
  1889 1,1-DimethylsilacyclobutaneC5H12Si
  1890 TriethylsilaneC6H16Si
  1891 SiC4(-) (FOGMET) (Geo)C8H13Si
  1892 SiC4(-) (FOGMET)C8H13Si
  1893 TetraethylsilaneC8H20Si
  1894 Silicon nitride (Geo)NSi
  1895 SiC4 (BAWNUI) (Geo)C4H9NSi
  1896 SiC4 (BAWNUI)C4H9NSi
  1897 SiC3N(+) (CASKIQ) (Geo)C8H14NSi
  1898 SiC3N(+) (CASKIQ)C8H14NSi


ΔHf: -55.7 kcal/mol,     REF: W. V. Steele, J. Chem. Thermo., 15, 595 (1983).
I.P.: 9.8 eV,     REF: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.
  
 PULAY SHIFT=30 PM7
Tetramethylsilane
 H=-55.7 HR=WVS1983 I=9.8 IR=LLNBS82 S=85.80 CP=34.39
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 Si     1.87162607 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.87165309 +1  109.4701896 +1    0.0000000 +0     2     1     0
  H     1.10410223 +1  111.3742888 +1  179.6114863 +1     3     2     1
  C     1.87164406 +1  109.4800410 +1   59.5880080 +1     2     3     4
  C     1.87160436 +1  109.4659706 +1  -60.4091565 +1     2     3     4
  H     1.10412927 +1  111.3715355 +1   59.5837836 +1     3     2     1
  H     1.10409960 +1  111.3545468 +1  -60.4118419 +1     3     2     1
  H     1.10410291 +1  111.3598100 +1  179.8619919 +1     1     2     3
  H     1.10410856 +1  111.3646726 +1   59.8747846 +1     1     2     3
  H     1.10410392 +1  111.3820960 +1  -60.1336943 +1     1     2     3
  H     1.10412508 +1  111.3632828 +1  179.8344429 +1     5     2     6
  H     1.10410600 +1  111.3714403 +1   59.8327090 +1     5     2     6
  H     1.10409224 +1  111.3692981 +1  -60.1673422 +1     5     2     6
  H     1.10409517 +1  111.3786745 +1  179.7637368 +1     6     2     5
  H     1.10410155 +1  111.3672542 +1   59.7603531 +1     6     2     5
  H     1.10411399 +1  111.3643467 +1  -60.2334421 +1     6     2     5