data_Sr2CrNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.37
_cell_length_b   5.37
_cell_length_c   3.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.64
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2CrNi
_chemical_formula_sum   'Sr2 Cr1 Ni1'
_cell_volume   114.1
_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  0.89  0.09  0.98  1.0
  Sr  Sr3  1  0.89  0.91  0.98  1.0
  Cr  Cr0  1  0.0  0.0  0.0  1.0
  Ni  Ni1  1  0.78  0.0  0.0  1.0

data_Sr2CrNi
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.96
_cell_length_b   5.37
_cell_length_c   5.37
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Sr2CrNi
_chemical_formula_sum   'Sr2 Cr1 Ni1'
_cell_volume   114.1
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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  2  0.98  0.09  0.89  1.0
  Cr  Cr1  1  0.0  0.0  0.0  1.0
  Ni  Ni2  1  -0.0  0.0  0.78  1.0

Sr Sr Cr Ni
Sr Sr Cr Ni 0 3 o o + 0 2 + o + 1 3 o + + 1 2 + + + 