[CIF]
data_Mg3Si4(HO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.54140032
_cell_length_b   6.77944658
_cell_length_c   8.19172747
_cell_angle_alpha   95.94678754
_cell_angle_beta   95.22334524
_cell_angle_gamma   92.72190980
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg3Si4(HO6)2
_chemical_formula_sum   'Mg3 Si4 H2 O12'
_cell_volume   249.39661727
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  H  H0  1  2.95275390  3.84637184  6.88695209  1
  H  H1  1  0.52093988  2.04031040  1.22259841  1
  Mg  Mg2  1  3.49400748  0.69574931  5.57295128  1
  Mg  Mg3  1  -0.02031371  5.19093293  2.53659922  1
  Mg  Mg4  1  0.00000000  0.00000000  0.00000000  1
  O  O5  1  2.24306241  4.41851328  7.28604342  1
  O  O6  1  1.23063137  1.46816895  0.82350707  1
  O  O7  1  3.41865456  4.56053266  4.09035062  1
  O  O8  1  0.05503922  1.32614958  4.01919988  1
  O  O9  1  1.18206866  4.73249456  4.11009105  1
  O  O10  1  2.29162512  1.15418767  3.99945944  1
  O  O11  1  0.02737651  3.36352944  6.32839654  1
  O  O12  1  3.44631727  2.52315280  1.78115396  1
  O  O13  1  -0.23568881  5.97174692  6.23738829  1
  O  O14  1  3.70938259  -0.08506469  1.87216220  1
  O  O15  1  0.77747806  5.14552063  0.75021881  1
  O  O16  1  2.69621572  0.74116161  7.35933169  1
  Si  Si17  1  0.01772102  4.69937246  5.26970301  1
  Si  Si18  1  3.45597275  1.18730977  2.83984749  1
  Si  Si19  1  0.92125007  3.51000217  7.75649215  1
  Si  Si20  1  2.55244370  2.37668006  0.35305834  1
[/CIF]
