data_[Sr2Mg2Ni2P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.4987]
_cell_length_b [6.9264]
_cell_length_c [9.3079]
_cell_angle_alpha [111.1267]
_cell_angle_beta [101.0478]
_cell_angle_gamma [98.0167]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [SrMgNi(PO4)2]
_chemical_formula_sum '[Sr2 Mg2 Ni2 P4 O16]'
_cell_volume [316.0143]
_cell_formula_units_Z [2]
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
[
  Sr  Sr0  2  0.2537  0.8040  0.0535  1
  Mg  Mg1  2  0.0133  0.6089  0.3414  1
  Ni  Ni2  2  0.3581  0.1462  0.4395  1
  P  P3  2  0.1560  0.9731  0.6949  1
  P  P4  2  0.3949  0.4268  0.2409  1
  O  O5  2  0.0003  0.2547  0.4274  1
  O  O6  2  0.0441  0.8838  0.3067  1
  O  O7  2  0.1687  0.4545  0.1249  1
  O  O8  2  0.2564  0.9946  0.8657  1
  O  O9  2  0.3395  0.2003  0.2370  1
  O  O10  2  0.3463  0.5252  0.7968  1
  O  O11  2  0.3818  0.0463  0.6318  1
  O  O12  2  0.3851  0.5930  0.4058  1
]