data_SrCr2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.09
_cell_length_b   5.09
_cell_length_c   3.81
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrCr2
_chemical_formula_sum   'Sr1 Cr2'
_cell_volume   85.42
_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  Sr2  1  0.0  0.0  0.0  1.0
  Cr  Cr0  1  0.55  0.47  0.85  1.0
  Cr  Cr1  1  0.0  0.94  0.96  1.0

data_SrCr2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.81
_cell_length_b   5.09
_cell_length_c   5.09
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrCr2
_chemical_formula_sum   'Sr1 Cr2'
_cell_volume   85.42
_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  0.0  0.0  1.0
  Cr  Cr1  1  0.85  0.55  0.47  1.0
  Cr  Cr2  1  0.96  0.0  0.94  1.0

Sr Cr Cr
Sr Cr Cr 0 2 o - - 0 1 o o - 0 1 - - - 1 2 o - o 1 2 + o o 