data_Sr2BeCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.74
_cell_length_b   3.79
_cell_length_c   7.49
_cell_angle_alpha   90.0
_cell_angle_beta   92.23
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2BeCu
_chemical_formula_sum   'Sr2 Be1 Cu1'
_cell_volume   105.99
_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  0.62  0.89  0.64  1.0
  Sr  Sr3  1  0.83  0.89  0.85  1.0
  Be  Be0  1  0.0  0.0  0.0  1.0
  Cu  Cu1  1  0.85  0.0  0.74  1.0

data_Sr2BeCu
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.74
_cell_length_b   3.79
_cell_length_c   7.49
_cell_angle_alpha   90.0
_cell_angle_beta   92.23
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2BeCu
_chemical_formula_sum   'Sr2 Be1 Cu1'
_cell_volume   105.99
_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  0.62  0.89  0.64  1.0
  Sr  Sr1  1  0.83  0.89  0.85  1.0
  Be  Be2  1  0.0  0.0  0.0  1.0
  Cu  Cu3  1  0.85  0.0  0.74  1.0

Sr Sr Be Cu
Sr Sr Be Cu 0 3 o + o 1 3 o + o 1 2 + + + 