data_[Mg2Mn4P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Mn  1.5500  1.4000  0.6483
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [6.4645]
_cell_length_b [5.6015]
_cell_length_c [8.4243]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [MgMn2(PO4)2]
_chemical_formula_sum '[Mg2 Mn4 P4 O16]'
_cell_volume [305.0530]
_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
[
  Mg  Mg0  2  0.0000  0.0000  0.3312  1.0
  Mn  Mn1  4  0.2663  0.0000  0.9960  1.0
  P  P2  2  0.0000  0.0000  0.6542  1.0
  P  P3  2  0.5000  0.0000  0.3605  1.0
  O  O4  4  0.0000  0.2179  0.5332  1.0
  O  O5  4  0.1945  0.0000  0.7539  1.0
  O  O6  4  0.2986  0.0000  0.2561  1.0
  O  O7  4  0.5000  0.2241  0.4644  1.0
]