data_CrCdTcAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.55
_cell_length_b   4.55
_cell_length_c   4.55
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CrCdTcAg
_chemical_formula_sum   'Cr1 Cd1 Tc1 Ag1'
_cell_volume   66.59
_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
  Cr  Cr2  1  0.0  0.0  0.0  1.0
  Cd  Cd1  1  0.22  0.22  0.22  1.0
  Tc  Tc3  1  0.61  0.61  0.61  1.0
  Ag  Ag0  1  0.83  0.83  0.83  1.0

data_CrCdTcAg
_symmetry_space_group_name_H-M   R3m
_cell_length_a   4.55
_cell_length_b   4.55
_cell_length_c   11.14
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   CrCdTcAg
_chemical_formula_sum   'Cr3 Cd3 Tc3 Ag3'
_cell_volume   199.78
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Cr  Cr0  3  0.0  0.0  0.0  1.0
  Cd  Cd1  3  0.0  0.0  0.78  1.0
  Tc  Tc2  3  0.0  0.0  0.39  1.0
  Ag  Ag3  3  0.0  0.0  0.17  1.0

Cr Cd Tc Ag
CrTcAgCd crystallizes in the trigonal R3m space group. Cr(1) is bonded in a distorted single-bond geometry to three equivalent Tc(1), one Ag(1), and one Cd(1) atom. All Cr(1)-Tc(1) bond lengths are 2.71 Å. The Cr(1)-Ag(1) bond length is 1.94 Å. The Cr(1)-Cd(1) bond length is 2.42 Å. Tc(1) is bonded in a 7-coordinate geometry to three equivalent Cr(1), one Ag(1), and three equivalent Cd(1) atoms. The Tc(1)-Ag(1) bond length is 2.42 Å. All Tc(1)-Cd(1) bond lengths are 2.71 Å. Ag(1) is bonded in a distorted single-bond geometry to one Cr(1), one Tc(1), and three equivalent Cd(1) atoms. All Ag(1)-Cd(1) bond lengths are 2.71 Å. Cd(1) is bonded in a 7-coordinate geometry to one Cr(1), three equivalent Tc(1), and three equivalent Ag(1) atoms.