data_[Ca4Ce2Mg2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Ce  1.1200  1.8500  1.0800
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.9163]
_cell_length_b [9.4910]
_cell_length_c [7.7955]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Ca2CeMgSn2]
_chemical_formula_sum '[Ca4 Ce2 Mg2 Sn4]'
_cell_volume [363.7356]
_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
[
  Ca  Ca0  2  0.0000  0.1761  0.3512  1.0
  Ca  Ca1  2  0.5000  0.0767  0.0279  1.0
  Ce  Ce2  2  0.0000  0.4481  0.9827  1.0
  Mg  Mg3  2  0.5000  0.3138  0.6567  1.0
  Sn  Sn4  2  0.0000  0.1556  0.7604  1.0
  Sn  Sn5  2  0.5000  0.3764  0.2666  1.0
]