data_K2BeCr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.08
_cell_length_b   4.39
_cell_length_c   6.89
_cell_angle_alpha   90.0
_cell_angle_beta   111.3
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2BeCr
_chemical_formula_sum   'K2 Be1 Cr1'
_cell_volume   143.28
_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
  K  K2  1  0.75  0.0  0.53  1.0
  K  K3  1  0.74  0.2  0.31  1.0
  Be  Be0  1  0.26  0.0  0.91  1.0
  Cr  Cr1  1  0.2  0.2  0.88  1.0

data_K2BeCr
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.39
_cell_length_b   5.08
_cell_length_c   6.89
_cell_angle_alpha   111.3
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2BeCr
_chemical_formula_sum   'K2 Be1 Cr1'
_cell_volume   143.28
_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
  K  K0  1  0.0  0.25  0.47  1.0
  K  K1  1  0.8  0.26  0.69  1.0
  Be  Be2  1  0.0  0.74  0.09  1.0
  Cr  Cr3  1  0.8  0.8  0.12  1.0

K K Be Cr