data_[Mg4Sn2Ge2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [6.5916]
_cell_length_b [5.9123]
_cell_length_c [5.3874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Mg2SnGeN4]
_chemical_formula_sum '[Mg4 Sn2 Ge2 N8]'
_cell_volume [209.9575]
_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  4  0.2491  0.3339  0.4947  1.0
  Sn  Sn1  2  0.0000  0.1537  0.9982  1.0
  Ge  Ge2  2  0.0000  0.8337  0.5006  1.0
  N  N3  4  0.2336  0.6751  0.3874  1.0
  N  N4  2  0.0000  0.1364  0.3875  1.0
  N  N5  2  0.0000  0.8304  0.8495  1.0
]