Accuracy

h6si2o7   1933 H6Si2O7

(Previous)     (Back)     (Next)         Geometry predicted using PM7

   

    #  Species Formula
  1923 Silicon tetrafluorideF4Si
  1924 Silicon pentafluoride, anionF5Si
  1925 Trifluorosilyldifluoroborane (Geo)BF5Si
  1926 SiF6(2-) (JIJKOC) (Geo)F6Si
  1927 SiF6(2-) (JIJKOC)F6Si
  1928 DisilaneH6Si2
  1929 Disilane (Geo)H6Si2
  1930 HexamethyldisilaneC6H18Si2
  1931 HexamethyldisilazaneC6H19NSi2
  1932 HexamethyldisiloxaneC6H18OSi2
  1933 H6Si2O7 H6O7Si2
  1934 TrisilaneH8Si3
  1935 Cyclopentasilane (Geo)H10Si5
  1936 Si(SiMe3)4 (GUFMOJ) (Geo)C12H36Si5
  1937 Si(SiMe3)4 (GUFMOJ)C12H36Si5
  1938 Phosphorus, cationP
  1939 Phosphorus, atomP
  1940 PhosphinideneHP
  1941 PhosphinoH2P
  1942 Phosphine cationH3P
  1943 Phosphine (Geo)H3P


ΔHf: -550.0 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
H6Si2O7
 H=-550 HR=PW91D
 Si     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     1.57202032 +1    0.0000000 +0    0.0000000 +0     1     0     0
 Si     1.57250743 +1  177.8234371 +1    0.0000000 +0     2     1     0
  O     1.58350041 +1  110.3109224 +1  -54.8981579 +1     3     2     1
  O     1.58368363 +1  110.1016229 +1  119.9707294 +1     3     2     4
  O     1.58333442 +1  110.0163413 +1  120.0225053 +1     3     2     5
  O     1.58378265 +1  110.1377134 +1 -123.4064388 +1     1     2     4
  O     1.58349878 +1  110.3995820 +1  120.0075982 +1     1     2     7
  O     1.58368918 +1  109.8125364 +1  120.0789097 +1     1     2     8
  H     0.95929746 +1  128.2914887 +1   76.7108213 +1     4     3     2
  H     0.95837453 +1  128.3690382 +1   72.6241191 +1     5     3     2
  H     0.95911036 +1  128.1666023 +1   76.5291801 +1     6     3     2
  H     0.95901739 +1  128.2818197 +1   79.2827132 +1     7     1     2
  H     0.95867627 +1  128.3320010 +1   73.7955264 +1     8     1     2
  H     0.95889963 +1  128.1818779 +1   76.5195458 +1     9     1     2