data_[Sr1Mg2Pt1]
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
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.0497]
_cell_length_b [4.4046]
_cell_length_c [5.5359]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.7146]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [SrMg2Pt]
_chemical_formula_sum '[Sr1 Mg2 Pt1]'
_cell_volume [113.5792]
_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
[
  Sr  Sr0  1  0.5000  0.5000  0.0000  1
  Mg  Mg1  2  0.1549  0.0000  0.3210  1
  Pt  Pt2  1  0.0000  0.5000  0.5000  1
]