data_Sr2ZnSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.47
_cell_length_b   6.47
_cell_length_c   4.79
_cell_angle_alpha   92.32
_cell_angle_beta   92.32
_cell_angle_gamma   38.6
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2ZnSe
_chemical_formula_sum   'Sr2 Zn1 Se1'
_cell_volume   124.87
_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  Sr1  1  0.92  0.0  0.18  1.0
  Sr  Sr2  1  0.0  0.0  0.79  1.0
  Zn  Zn3  1  0.72  0.0  0.75  1.0
  Se  Se0  1  0.16  0.0  0.24  1.0

data_Sr2ZnSe
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.27
_cell_length_b   4.79
_cell_length_c   6.47
_cell_angle_alpha   92.32
_cell_angle_beta   109.3
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2ZnSe
_chemical_formula_sum   'Sr2 Zn1 Se1'
_cell_volume   124.87
_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  0.0  0.18  0.92  1.0
  Sr  Sr1  1  0.0  0.79  0.0  1.0
  Zn  Zn2  1  0.0  0.75  0.72  1.0
  Se  Se3  1  0.0  0.24  0.16  1.0

Sr Sr Zn Se