Accuracy

sic4 (bawnui)   1896 SiC4 (BAWNUI)

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    #  Species Formula
  1886 DiethylsilaneC4H12Si
  1887 Tetramethylsilane (Geo)C4H12Si
  1888 TetramethylsilaneC4H12Si
  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
  1899 Trimethylsilicon hydroxideC3H10OSi
  1900 Silicon dioxideO2Si
  1901 SiH3O (BAHTAF) (Geo)C2H6O2Si
  1902 SiH3O (BAHTAF)C2H6O2Si
  1903 Si(OH)4H4O4Si
  1904 SiO4N (BOJLER) (Geo)C6H13NO4Si
  1905 SiO4N (BOJLER)C6H13NO4Si
  1906 Silicon fluorideFSi


ΔHf: -9.7 kcal/mol,     REF: Estimated from DGauss results of DFT calculations, using the B88-PW91 functional and the DZVP basis set, in CAChe 6.0, Fujitsu Ltd, 2003.
  
 PM7
SiC4 (BAWNUI)
 H=-9.7 HR=PW91D
 Si     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.77577822 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.86282798 +1  108.9482242 +1    0.0000000 +0     1     2     0
  C     1.86302724 +1  108.7896932 +1 -120.0226382 +1     1     2     3
  H     1.10567092 +1  111.6958278 +1 -179.7116528 +1     3     1     2
  H     1.10664121 +1  111.5761884 +1  120.0941281 +1     3     1     5
  H     1.10662061 +1  111.5728285 +1   60.6692983 +1     4     1     2
  H     1.10658359 +1  111.5701152 +1 -119.8632163 +1     4     1     7
  H     1.10565953 +1  111.6956108 +1 -120.0881956 +1     4     1     8
  C     1.86299922 +1  108.7991040 +1 -119.8993638 +1     1     2     4
  H     1.10662685 +1  111.5701272 +1  119.8386442 +1     3     1     6
  H     1.10658767 +1  111.5901226 +1  -60.7152053 +1    10     1     2
  H     1.10659507 +1  111.5694584 +1  119.8740082 +1    10     1    12
  H     1.10567639 +1  111.6874102 +1  120.0814639 +1    10     1    13
  N     1.15807360 +1  143.5480170 +1 -179.9912736 +1     2     3     1