data_BeHgP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.5
_cell_length_b   6.31
_cell_length_c   3.17
_cell_angle_alpha   79.06
_cell_angle_beta   72.33
_cell_angle_gamma   28.61
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeHgP
_chemical_formula_sum   'Be1 Hg1 P1'
_cell_volume   58.39
_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  0.95  0.5  0.38  1.0
  Hg  Hg1  1  0.95  0.5  0.9  1.0
  P  P2  1  0.95  0.5  0.71  1.0

data_BeHgP
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.89
_cell_length_b   12.0
_cell_length_c   3.17
_cell_angle_alpha   90.0
_cell_angle_beta   127.91
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BeHgP
_chemical_formula_sum   'Be2 Hg2 P2'
_cell_volume   116.77
_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
  Be  Be0  2  0.45  0.5  0.32  1.0
  Hg  Hg1  2  0.45  0.5  0.85  1.0
  P  P2  2  0.45  0.5  0.66  1.0

Be Hg P