data_Ca2NbTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.91
_cell_length_b   5.91
_cell_length_c   2.88
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   122.44
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ca2NbTc
_chemical_formula_sum   'Ca2 Nb1 Tc1'
_cell_volume   85.08
_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  0.42  0.41  0.44  1.0
  Ca  Ca1  1  0.42  0.59  0.44  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  Tc  Tc3  1  0.85  0.0  0.0  1.0

data_Ca2NbTc
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.88
_cell_length_b   5.69
_cell_length_c   5.91
_cell_angle_alpha   118.78
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ca2NbTc
_chemical_formula_sum   'Ca2 Nb1 Tc1'
_cell_volume   85.08
_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  0.44  0.41  0.83  1.0
  Ca  Ca1  1  0.44  0.59  0.01  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  Tc  Tc3  1  0.0  0.0  0.85  1.0

Ca Ca Nb Tc