data_global
_amcsd_formula_title 'H8 N2 O13 P4 Si'
loop_
_publ_author_name
'Durif A'
'Averbuch-Pouchot M'
'Guitel J'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 32 
_journal_year 1976
_journal_page_first 2957
_journal_page_last 2960
_publ_section_title
;
 Structure cristalline de (N H4)2 Si P4 O13: un nouvel exemple
 de silicium hexacoordine
 _cod_database_code 1007008
;
_database_code_amcsd 0009577
_chemical_formula_sum 'Si P4 O13 N2'
_cell_length_a 15.14
_cell_length_b 7.684
_cell_length_c 4.861
_cell_angle_alpha 97.86
_cell_angle_beta 96.74
_cell_angle_gamma 83.89
_cell_volume 553.971
_exptl_crystal_density_diffrn      2.326
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si1   0.75896   0.06180   0.04390
P1   0.85025   0.21340   0.60390
P2   0.69218   0.40940   0.81950
P3   0.78874   0.68060   0.17970
P4   0.66334   0.91380   0.48000
O1   0.93670   0.28720   0.69480
O2   0.82810   0.07640   0.78140
O3   0.84450   0.13650   0.29600
O4   0.77040   0.37060   0.62720
O5   0.60320   0.42210   0.66380
O6   0.70930   0.28060   0.03420
O7   0.70760   0.60030   0.97910
O8   0.86540   0.55280   0.23010
O9   0.80760   0.84170   0.05370
O10   0.74140   0.75220   0.45230
O11   0.57480   0.85090   0.38340
O12   0.68940   0.04850   0.30600
O13   0.67210   0.98460   0.78920
N1   0.49400   0.74380   0.82660
N2   0.03220   0.31400   0.23100