data_[Li8Ca4Mg2Si4N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Ca  1.0000  1.8000  1.1400
  Mg  1.3100  1.5000  0.8600
  Si  1.9000  1.1000  0.5400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.9233]
_cell_length_b [9.8183]
_cell_length_c [5.6414]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.9369]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li4Ca2Mg(SiN3)2]
_chemical_formula_sum '[Li8 Ca4 Mg2 Si4 N12]'
_cell_volume [326.8687]
_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
[
  Li  Li0  8  0.1612  0.1709  0.6250  1.0
  Ca  Ca1  4  0.0000  0.3221  0.0000  1.0
  Mg  Mg2  2  0.0000  0.0000  0.0000  1.0
  Si  Si3  4  0.1782  0.5000  0.6331  1.0
  N  N4  8  0.1778  0.1447  0.2519  1.0
  N  N5  4  0.1220  0.5000  0.3129  1.0
]