data_Ca2BeSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.69
_cell_length_b   9.69
_cell_length_c   9.69
_cell_angle_alpha   21.93
_cell_angle_beta   21.93
_cell_angle_gamma   21.93
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ca2BeSn
_chemical_formula_sum   'Ca2 Be1 Sn1'
_cell_volume   111.18
_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
  Ca  Ca1  1  0.0  0.0  0.34  1.0
  Ca  Ca2  1  0.0  0.0  0.01  1.0
  Be  Be0  1  0.0  0.0  0.0  1.0
  Sn  Sn3  1  0.0  0.0  0.18  1.0

data_Ca2BeSn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.38
_cell_length_b   3.69
_cell_length_c   9.69
_cell_angle_alpha   90.0
_cell_angle_beta   102.69
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ca2BeSn
_chemical_formula_sum   'Ca4 Be2 Sn2'
_cell_volume   222.36
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Ca  Ca0  2  0.0  0.0  0.66  1.0
  Ca  Ca1  2  0.0  0.0  0.99  1.0
  Be  Be2  2  0.0  0.0  0.0  1.0
  Sn  Sn3  2  0.0  0.0  0.82  1.0

Ca Ca Be Sn