data_global
_amcsd_formula_title 'H22 N2 Ni O19 P4'
loop_
_publ_author_name
'Jouini A'
'Dabbabi M'
'Durif A'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 60 
_journal_year 1985
_journal_page_first 6
_journal_page_last 12
_publ_section_title
;
 Structure cristalline du tetrametaphosphate de nickel ammonium
 heptahydrate: Ni(N H4)2 P4 O12 7 H2 O.
 _cod_database_code 1007169
;
_database_code_amcsd 0013558
_chemical_formula_sum 'Ni P4 N2 O19'
_cell_length_a 13.841
_cell_length_b 9.621
_cell_length_c 7.482
_cell_angle_alpha 98.05
_cell_angle_beta 97.25
_cell_angle_gamma 103.01
_cell_volume 948.261
_exptl_crystal_density_diffrn      1.802
_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
Ni1   0.00000   0.00000   0.00000
Ni2   0.50000   0.50000   0.50000
P1   0.02990   0.28890   0.82160
P2   0.14570   0.08230   0.69850
P3   0.21610   0.51360  -0.02480
P4   0.32130   0.28030   0.94150
N1   0.19810   0.46800   0.47600
N2   0.01700   0.67500   0.67300
O1   0.97130   0.18140   0.91500
O2   0.02220   0.62840   0.28700
O3   0.09320   0.21280   0.69000
O4   0.10860  -0.00320   0.83900
O5   0.13800   0.00650   0.50800
O6   0.26230   0.16490   0.76300
O7   0.28340   0.23690   0.10800
O8   0.42950   0.30270   0.93500
O9   0.28990   0.42410   0.89700
O10   0.19690   0.60340   0.83700
O11   0.25640   0.58460   0.16400
O12   0.11720   0.39310   0.97900
O13   0.35950   0.35940   0.46100
O14   0.45310   0.62320   0.31500
O15   0.46000   0.62760   0.70700
O16   0.10580   0.12670   0.21300
O17   0.24800   0.87500   0.25000
O18   0.41600   0.05500   0.45900
O19   0.34100   0.82600   0.70300