data_Sr2AgRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.2
_cell_length_b   5.2
_cell_length_c   5.2
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2AgRh
_chemical_formula_sum   'Sr2 Ag1 Rh1'
_cell_volume   99.36
_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  0.84  0.84  0.84  1.0
  Sr  Sr3  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.51  0.51  0.51  1.0
  Rh  Rh1  1  0.68  0.68  0.68  1.0

data_Sr2AgRh
_symmetry_space_group_name_H-M   R3m
_cell_length_a   5.2
_cell_length_b   5.2
_cell_length_c   12.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   Sr2AgRh
_chemical_formula_sum   'Sr6 Ag3 Rh3'
_cell_volume   298.08
_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  0.0  1.0
  Sr  Sr1  3  0.0  0.0  0.16  1.0
  Ag  Ag2  3  0.0  0.0  0.49  1.0
  Rh  Rh3  3  0.0  0.0  0.32  1.0

Sr Sr Ag Rh
Sr2RhAg crystallizes in the trigonal R3m space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted single-bond geometry to one Sr(2), one Rh(1), and three equivalent Ag(1) atoms. The Sr(1)-Sr(2) bond length is 2.06 Å. The Sr(1)-Rh(1) bond length is 2.06 Å. All Sr(1)-Ag(1) bond lengths are 3.00 Å. In the second Sr site, Sr(2) is bonded in a 4-coordinate geometry to one Sr(1) and three equivalent Rh(1) atoms. All Sr(2)-Rh(1) bond lengths are 3.00 Å. Rh(1) is bonded to one Sr(1), three equivalent Sr(2), and one Ag(1) atom to form distorted RhSr4Ag trigonal bipyramids that share corners with six equivalent Rh(1)Sr4Ag trigonal bipyramids and corners with three equivalent Ag(1)Sr3Rh trigonal pyramids. The Rh(1)-Ag(1) bond length is 2.06 Å. Ag(1) is bonded to three equivalent Sr(1) and one Rh(1) atom to form distorted AgSr3Rh trigonal pyramids that share corners with three equivalent Rh(1)Sr4Ag trigonal bipyramids and corners with six equivalent Ag(1)Sr3Rh trigonal pyramids.