data_CaV2Hg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.13
_cell_length_b   5.3
_cell_length_c   5.39
_cell_angle_alpha   90.0
_cell_angle_beta   93.42
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CaV2Hg
_chemical_formula_sum   'Ca1 V2 Hg1'
_cell_volume   89.5
_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  Ca0  1  0.0  0.0  0.0  1.0
  V  V2  1  0.96  0.65  0.54  1.0
  V  V3  1  0.85  0.65  0.84  1.0
  Hg  Hg1  1  0.41  0.0  0.69  1.0

data_CaV2Hg
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.13
_cell_length_b   5.3
_cell_length_c   5.39
_cell_angle_alpha   90.0
_cell_angle_beta   93.42
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CaV2Hg
_chemical_formula_sum   'Ca1 V2 Hg1'
_cell_volume   89.5
_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  Ca0  1  0.0  0.0  0.0  1.0
  V  V1  1  0.85  0.65  0.84  1.0
  V  V2  1  0.96  0.65  0.54  1.0
  Hg  Hg3  1  0.41  0.0  0.69  1.0

Ca V V Hg