data_Be2SnAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.64
_cell_length_b   5.64
_cell_length_c   5.64
_cell_angle_alpha   142.54
_cell_angle_beta   142.54
_cell_angle_gamma   54.01
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SnAs
_chemical_formula_sum   'Be2 Sn1 As1'
_cell_volume   65.9
_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
  Be  Be1  1  0.0  0.81  0.51  1.0
  Be  Be2  1  0.0  0.0  0.0  1.0
  Sn  Sn3  1  0.81  0.0  0.51  1.0
  As  As0  1  0.0  0.0  0.02  1.0

data_Be2SnAs
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.62
_cell_length_b   3.62
_cell_length_c   5.64
_cell_angle_alpha   108.73
_cell_angle_beta   108.73
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SnAs
_chemical_formula_sum   'Be2 Sn1 As1'
_cell_volume   65.9
_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
  Be  Be0  1  0.0  0.0  0.0  1.0
  Be  Be1  1  0.3  0.81  0.3  1.0
  Sn  Sn2  1  0.49  0.0  0.3  1.0
  As  As3  1  0.98  0.0  0.98  1.0

Be Be Sn As