data_global
_amcsd_formula_title 'H8 Na4 O16 P4'
loop_
_publ_author_name
'Averbuch-Pouchot M'
'Durif A'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 58 
_journal_year 1985
_journal_page_first 119
_journal_page_last 132
_publ_section_title
;
 Contribution to the crystal chemistry of tetrametaphosphates (I).
 _cod_database_code 1007175
;
_database_code_amcsd 0013551
_chemical_formula_sum 'P Na O4 H2'
_cell_length_a 6.652
_cell_length_b 9.579
_cell_length_c 6.32
_cell_angle_alpha 103.4
_cell_angle_beta 106.98
_cell_angle_gamma 93.28
_cell_volume 371.275
_exptl_crystal_density_diffrn      2.146
_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
P1   0.26653   0.08995   0.24381
P2   0.89850   0.21206   0.98661
Na1   0.82110   0.12600   0.42149
Na2   0.55608   0.40321   0.23963
O1   0.12070   0.15050   0.04310
O2   0.15790   0.07950   0.41480
O3   0.48060   0.17110   0.31790
O4   0.89160   0.27470   0.79150
O5   0.86950   0.30080   0.19870
O6   0.72700   0.06980   0.90470
O7   0.34930   0.35820   0.82080
O8   0.26130   0.49510   0.35590
H1   0.34200   0.27500   0.72700
H2   0.21900   0.33400   0.83300
H3   0.77800   0.43100   0.69200
H4   0.14300   0.43700   0.33100