data_[Mg1Ag2P1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [3.0912]
_cell_length_b [4.8456]
_cell_length_c [4.7579]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5637]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [MgAg2P]
_chemical_formula_sum '[Mg1 Ag2 P1]'
_cell_volume [71.2636]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.0000  1
  Ag  Ag1  2  0.2752  0.0000  0.2479  1
  P  P2  1  0.5000  0.5000  0.5000  1
]