data_SrTlCoAg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.11
_cell_length_b   5.11
_cell_length_c   5.11
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrTlCoAg
_chemical_formula_sum   'Sr1 Tl1 Co1 Ag1'
_cell_volume   94.2
_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
  Sr  Sr2  1  0.42  0.42  0.42  1.0
  Tl  Tl3  1  0.61  0.61  0.61  1.0
  Co  Co1  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.81  0.81  0.81  1.0

data_SrTlCoAg
_symmetry_space_group_name_H-M   R3m
_cell_length_a   5.11
_cell_length_b   5.11
_cell_length_c   12.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   SrTlCoAg
_chemical_formula_sum   'Sr3 Tl3 Co3 Ag3'
_cell_volume   282.61
_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
  Sr  Sr0  3  0.0  0.0  0.58  1.0
  Tl  Tl1  3  0.0  0.0  0.39  1.0
  Co  Co2  3  0.0  0.0  0.0  1.0
  Ag  Ag3  3  0.0  0.0  0.19  1.0

Sr Tl Co Ag
SrCoAgTl crystallizes in the trigonal R3m space group. Sr(1) is bonded in a 7-coordinate geometry to three equivalent Co(1), three equivalent Ag(1), and one Tl(1) atom. All Sr(1)-Co(1) bond lengths are 3.13 Å. All Sr(1)-Ag(1) bond lengths are 3.03 Å. The Sr(1)-Tl(1) bond length is 2.43 Å. Co(1) is bonded in a 7-coordinate geometry to three equivalent Sr(1), one Ag(1), and three equivalent Tl(1) atoms. The Co(1)-Ag(1) bond length is 2.43 Å. All Co(1)-Tl(1) bond lengths are 3.03 Å. Ag(1) is bonded in a 5-coordinate geometry to three equivalent Sr(1), one Co(1), and one Tl(1) atom. The Ag(1)-Tl(1) bond length is 2.43 Å. Tl(1) is bonded in a distorted linear geometry to one Sr(1), three equivalent Co(1), and one Ag(1) atom.