data_global
_amcsd_formula_title 'H16 Na2 Ni O20 P4'
loop_
_publ_author_name
'Boudjada A'
'Durif A'
'Guitel J'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 34 
_journal_year 1978
_journal_page_first 17
_journal_page_last 20
_publ_section_title
;
 Structure cristalline d'un monophosphate acide mixte de nickel-sodium
 tetrahydrate  Na2 Ni H8 (P O4)4 (H2 O)4
 _cod_database_code 1007019
;
_database_code_amcsd 0009622
_chemical_formula_sum 'Ni Na2 P4 O20'
_cell_length_a 11.10
_cell_length_b 10.71
_cell_length_c 7.224
_cell_angle_alpha 90
_cell_angle_beta 100.2
_cell_angle_gamma 90
_cell_volume 845.224
_exptl_crystal_density_diffrn      2.155
_symmetry_space_group_name_H-M 'P 1 21/n 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ni1   0.00000   0.00000   0.00000
Na1   0.54066   0.17130   0.24618
P1   0.08091   0.26109   0.26036
P2   0.71749   0.45432   0.26068
O1   0.49005   0.82958   0.10119
O2   0.21145   0.24645   0.36102
O3   0.48336   0.64039   0.30248
O4   0.42365   0.84738   0.41696
O5   0.63632   0.53862   0.10813
O6   0.67346   0.46914   0.44572
O7   0.80756   0.81570   0.30182
O8   0.84924   0.48506   0.26184
O9   0.14832   0.56088   0.24155
O10   0.08227   0.87216   0.21549