The material described by Co3Sb(PO4)4 crystallizes in the monoclinic Pm space group. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(12), one O(4), two equivalent O(2), and two equivalent O(8) atoms to form distorted CoO6 octahedra that share corners with four equivalent Co(3)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the second Co site, Co(2) is bonded to one O(3), one O(7), two equivalent O(11), and two equivalent O(5) atoms to form distorted CoO6 octahedra that share corners with four equivalent Sb(1)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-49°. In the third Co site, Co(3) is bonded to one O(10), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with four equivalent Co(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. Sb(1) is bonded to one O(1), one O(9), two equivalent O(11), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-49°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), and two equivalent O(2) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-55°. In the second P site, P(2) is bonded to one O(6), one O(9), and two equivalent O(5) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, and  an edgeedge with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-61°. In the third P site, P(3) is bonded to one O(4), one O(7), and two equivalent O(8) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-56°. In the fourth P site, P(4) is bonded to one O(12), one O(3), and two equivalent O(11) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and  an edgeedge with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-56°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Sb(1) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Co(1), one Co(3), and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one P(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Co(3) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(2) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one P(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(3) and one P(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(4) atom. is represented by the CIF card [CIF]
data_Co3Sb(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.984
_cell_length_b   4.904
_cell_length_c   9.969
_cell_angle_alpha   89.836
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   292.566
_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
  Co  Co0  1  0.000  0.030  0.267  1.0
  Co  Co1  1  0.000  0.454  0.779  1.0
  Co  Co2  1  0.500  0.548  0.235  1.0
  Sb  Sb3  1  0.500  0.959  0.716  1.0
  P  P4  1  0.500  0.095  0.397  1.0
  P  P5  1  0.500  0.387  0.905  1.0
  P  P6  1  0.000  0.597  0.102  1.0
  P  P7  1  0.000  0.927  0.588  1.0
  O  O8  1  0.500  0.189  0.556  1.0
  O  O9  1  0.295  0.237  0.334  1.0
  O  O10  1  0.705  0.237  0.334  1.0
  O  O11  1  0.000  0.228  0.616  1.0
  O  O12  1  0.000  0.287  0.129  1.0
  O  O13  1  0.303  0.233  0.827  1.0
  O  O14  1  0.697  0.233  0.827  1.0
  O  O15  1  0.500  0.347  0.053  1.0
  O  O16  1  0.000  0.642  0.950  1.0
  O  O17  1  0.798  0.746  0.171  1.0
  O  O18  1  0.202  0.746  0.171  1.0
  O  O19  1  0.500  0.700  0.870  1.0
  O  O20  1  0.500  0.787  0.399  1.0
  O  O21  1  0.797  0.773  0.667  1.0
  O  O22  1  0.203  0.773  0.667  1.0
  O  O23  1  0.000  0.844  0.442  1.0
[/CIF]
.
The material described by Co3Sb(PO4)4 crystallizes in the monoclinic Pm space group. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(12), one O(4), two equivalent O(2), and two equivalent O(8) atoms to form distorted CoO6 octahedra that share corners with four equivalent Co(3)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the second Co site, Co(2) is bonded to one O(3), one O(7), two equivalent O(11), and two equivalent O(5) atoms to form distorted CoO6 octahedra that share corners with four equivalent Sb(1)O6 octahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-49°. In the third Co site, Co(3) is bonded to one O(10), one O(6), two equivalent O(2), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with four equivalent Co(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-50°. Sb(1) is bonded to one O(1), one O(9), two equivalent O(11), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with four equivalent Co(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(4)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-49°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), and two equivalent O(2) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, and  an edgeedge with one Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-55°. In the second P site, P(2) is bonded to one O(6), one O(9), and two equivalent O(5) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, and  an edgeedge with one Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-61°. In the third P site, P(3) is bonded to one O(4), one O(7), and two equivalent O(8) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, and  an edgeedge with one Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-56°. In the fourth P site, P(4) is bonded to one O(12), one O(3), and two equivalent O(11) atoms to form PO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, and  an edgeedge with one Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-56°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Sb(1) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Co(1), one Co(3), and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one P(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Co(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Co(3) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Co(2) and one P(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one P(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(3) and one P(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Co(2), one Sb(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one P(4) atom. is represented by the CIF card [CIF]
data_Co3Sb(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.984
_cell_length_b   4.904
_cell_length_c   9.969
_cell_angle_alpha   89.836
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   292.566
_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
  Co  Co0  1  0.000  0.030  0.267  1.0
  Co  Co1  1  0.000  0.454  0.779  1.0
  Co  Co2  1  0.500  0.548  0.235  1.0
  Sb  Sb3  1  0.500  0.959  0.716  1.0
  P  P4  1  0.500  0.095  0.397  1.0
  P  P5  1  0.500  0.387  0.905  1.0
  P  P6  1  0.000  0.597  0.102  1.0
  P  P7  1  0.000  0.927  0.588  1.0
  O  O8  1  0.500  0.189  0.556  1.0
  O  O9  1  0.295  0.237  0.334  1.0
  O  O10  1  0.705  0.237  0.334  1.0
  O  O11  1  0.000  0.228  0.616  1.0
  O  O12  1  0.000  0.287  0.129  1.0
  O  O13  1  0.303  0.233  0.827  1.0
  O  O14  1  0.697  0.233  0.827  1.0
  O  O15  1  0.500  0.347  0.053  1.0
  O  O16  1  0.000  0.642  0.950  1.0
  O  O17  1  0.798  0.746  0.171  1.0
  O  O18  1  0.202  0.746  0.171  1.0
  O  O19  1  0.500  0.700  0.870  1.0
  O  O20  1  0.500  0.787  0.399  1.0
  O  O21  1  0.797  0.773  0.667  1.0
  O  O22  1  0.203  0.773  0.667  1.0
  O  O23  1  0.000  0.844  0.442  1.0
[/CIF]
.