D03VDC
  SciTegic01161211252D

  5  3  0  0  0  0            999 V2000
    1.1167   -0.5458    0.0000 Si  0  0
    1.1167    0.1708    0.0000 O   0  0
    1.7333   -0.9000    0.0000 O   0  5
    0.5000   -0.9000    0.0000 O   0  5
    1.1208   -1.7625    0.0000 Mg  0  2
  2  1  2  0
  3  1  1  0
  4  1  1  0
M  CHG  3   3  -1   4  -1   5   2
M  END

$$$$