The crystal structure described by Ca3Co2(RhO6)2 crystallizes in the triclinic P1 space group. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(4), one O(6), one O(7), and one O(9) atom. In the second Ca site, Ca(2) is bonded to one O(1), one O(10), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted CaO8 hexagonal bipyramids that share  a cornercorner with one Rh(1)O6 octahedra,  a cornercorner with one Rh(2)O6 octahedra, edges with two equivalent Co(2)O6 pentagonal pyramids,  a faceface with one Rh(1)O6 octahedra, and  a faceface with one Rh(2)O6 octahedra. The corner-sharing octahedral tilt angles are 11°. In the third Ca site, Ca(3) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(4), one O(5), one O(8), and one O(9) atom. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(1), one O(10), one O(3), one O(4), one O(7), and one O(9) atom to form RhO6 octahedra that share  a cornercorner with one Ca(2)O8 hexagonal bipyramid,  a faceface with one Ca(2)O8 hexagonal bipyramid, and  a faceface with one Co(2)O6 pentagonal pyramid. In the second Rh site, Rh(2) is bonded to one O(11), one O(12), one O(2), one O(5), one O(6), and one O(8) atom to form RhO6 octahedra that share  a cornercorner with one Ca(2)O8 hexagonal bipyramid,  a faceface with one Ca(2)O8 hexagonal bipyramid, and  a faceface with one Co(2)O6 pentagonal pyramid. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(12), one O(4), one O(6), and one O(8) atom to form distorted CoO6 pentagonal pyramids that share edges with two equivalent Ca(2)O8 hexagonal bipyramids,  a faceface with one Rh(1)O6 octahedra, and  a faceface with one Rh(2)O6 octahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(1), and one Co(2) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(2), and one Co(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(1), and one Co(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(1), and one Co(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(2), and one Co(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(2), and one Co(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(1), and one Co(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(2), and one Co(2) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(1), and one Co(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(1), and one Co(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(2), and one Co(1) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(2), and one Co(2) atom. is represented by the CIF card [CIF]
data_Ca3Co2(RhO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.334
_cell_length_b   6.374
_cell_length_c   6.476
_cell_angle_alpha   92.562
_cell_angle_beta   93.165
_cell_angle_gamma   93.421
_symmetry_Int_Tables_number   1
_cell_volume   260.276
_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  0.122  0.748  0.381  1.0
  Ca  Ca1  1  0.369  0.123  0.746  1.0
  Ca  Ca2  1  0.746  0.369  0.118  1.0
  Co  Co3  1  0.746  0.776  0.764  1.0
  Co  Co4  1  0.251  0.250  0.251  1.0
  Rh  Rh5  1  0.996  0.991  1.000  1.0
  Rh  Rh6  1  0.514  0.507  0.505  1.0
  O  O7  1  0.101  0.291  0.993  1.0
  O  O8  1  0.470  0.795  0.591  1.0
  O  O9  1  0.696  0.037  0.908  1.0
  O  O10  1  0.996  0.103  0.296  1.0
  O  O11  1  0.597  0.468  0.792  1.0
  O  O12  1  0.209  0.400  0.509  1.0
  O  O13  1  0.026  0.900  0.700  1.0
  O  O14  1  0.510  0.206  0.401  1.0
  O  O15  1  0.907  0.703  0.041  1.0
  O  O16  1  0.299  0.997  0.105  1.0
  O  O17  1  0.796  0.579  0.441  1.0
  O  O18  1  0.401  0.508  0.207  1.0
[/CIF]
.
The crystal structure described by Ca3Co2(RhO6)2 crystallizes in the triclinic P1 space group. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(4), one O(6), one O(7), and one O(9) atom. In the second Ca site, Ca(2) is bonded to one O(1), one O(10), one O(2), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form distorted CaO8 hexagonal bipyramids that share  a cornercorner with one Rh(1)O6 octahedra,  a cornercorner with one Rh(2)O6 octahedra, edges with two equivalent Co(2)O6 pentagonal pyramids,  a faceface with one Rh(1)O6 octahedra, and  a faceface with one Rh(2)O6 octahedra. The corner-sharing octahedral tilt angles are 11°. In the third Ca site, Ca(3) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(4), one O(5), one O(8), and one O(9) atom. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(1), one O(10), one O(3), one O(4), one O(7), and one O(9) atom to form RhO6 octahedra that share  a cornercorner with one Ca(2)O8 hexagonal bipyramid,  a faceface with one Ca(2)O8 hexagonal bipyramid, and  a faceface with one Co(2)O6 pentagonal pyramid. In the second Rh site, Rh(2) is bonded to one O(11), one O(12), one O(2), one O(5), one O(6), and one O(8) atom to form RhO6 octahedra that share  a cornercorner with one Ca(2)O8 hexagonal bipyramid,  a faceface with one Ca(2)O8 hexagonal bipyramid, and  a faceface with one Co(2)O6 pentagonal pyramid. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom. In the second Co site, Co(2) is bonded to one O(1), one O(10), one O(12), one O(4), one O(6), and one O(8) atom to form distorted CoO6 pentagonal pyramids that share edges with two equivalent Ca(2)O8 hexagonal bipyramids,  a faceface with one Rh(1)O6 octahedra, and  a faceface with one Rh(2)O6 octahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(1), and one Co(2) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(2), and one Co(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(1), and one Co(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(1), and one Co(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(2), and one Co(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(2), and one Co(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(1), and one Co(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Ca(2), one Ca(3), one Rh(2), and one Co(2) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(1), and one Co(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(2), one Rh(1), and one Co(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(2), and one Co(1) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Ca(1), one Ca(3), one Rh(2), and one Co(2) atom. is represented by the CIF card [CIF]
data_Ca3Co2(RhO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.334
_cell_length_b   6.374
_cell_length_c   6.476
_cell_angle_alpha   92.562
_cell_angle_beta   93.165
_cell_angle_gamma   93.421
_symmetry_Int_Tables_number   1
_cell_volume   260.276
_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  0.122  0.748  0.381  1.0
  Ca  Ca1  1  0.369  0.123  0.746  1.0
  Ca  Ca2  1  0.746  0.369  0.118  1.0
  Co  Co3  1  0.746  0.776  0.764  1.0
  Co  Co4  1  0.251  0.250  0.251  1.0
  Rh  Rh5  1  0.996  0.991  1.000  1.0
  Rh  Rh6  1  0.514  0.507  0.505  1.0
  O  O7  1  0.101  0.291  0.993  1.0
  O  O8  1  0.470  0.795  0.591  1.0
  O  O9  1  0.696  0.037  0.908  1.0
  O  O10  1  0.996  0.103  0.296  1.0
  O  O11  1  0.597  0.468  0.792  1.0
  O  O12  1  0.209  0.400  0.509  1.0
  O  O13  1  0.026  0.900  0.700  1.0
  O  O14  1  0.510  0.206  0.401  1.0
  O  O15  1  0.907  0.703  0.041  1.0
  O  O16  1  0.299  0.997  0.105  1.0
  O  O17  1  0.796  0.579  0.441  1.0
  O  O18  1  0.401  0.508  0.207  1.0
[/CIF]
.