data_MgTaAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.53
_cell_length_b   5.53
_cell_length_c   5.53
_cell_angle_alpha   145.01
_cell_angle_beta   145.01
_cell_angle_gamma   50.32
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgTaAs
_chemical_formula_sum   'Mg1 Ta1 As1'
_cell_volume   55.22
_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
  Mg  Mg1  1  0.0  0.0  0.36  1.0
  Ta  Ta2  1  0.0  0.0  0.44  1.0
  As  As0  1  0.0  0.0  0.2  1.0

data_MgTaAs
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.7
_cell_length_b   4.7
_cell_length_c   5.53
_cell_angle_alpha   90.0
_cell_angle_beta   115.16
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   MgTaAs
_chemical_formula_sum   'Mg2 Ta2 As2'
_cell_volume   110.43
_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
  Mg  Mg0  2  0.36  0.0  0.36  1.0
  Ta  Ta1  2  0.44  0.0  0.44  1.0
  As  As2  2  0.2  0.0  0.2  1.0

Mg Ta As