The crystal structure described by MgCo2Zn2(PO5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(5), one O(7), and one O(8) atom to form distorted MgO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra,  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent Co(1)O5 trigonal bipyramids, and  an edgeedge with one P(1)O4 tetrahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(2), one O(4), one O(5), and one O(9) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent Mg(1)O5 trigonal bipyramids, and  an edgeedge with one Zn(2)O5 trigonal bipyramid. In the second Co site, Co(2) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(3), one O(6), and one O(9) atom. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(10), one O(2), one O(3), and one O(7) atom to form distorted ZnO4 tetrahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent Mg(1)O5 trigonal bipyramids, and corners with two equivalent Co(1)O5 trigonal bipyramids. In the second Zn site, Zn(2) is bonded to one O(1), one O(2), one O(4), one O(6), and one O(9) atom to form distorted ZnO5 trigonal bipyramids that share  a cornercorner with one Zn(1)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  an edgeedge with one Co(1)O5 trigonal bipyramid. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, corners with two equivalent Zn(2)O5 trigonal bipyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. In the second P site, P(2) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid, corners with two equivalent Co(1)O5 trigonal bipyramids, and corners with two equivalent Zn(2)O5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Co(2), one Zn(2), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Co(1), one Zn(1), one Zn(2), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Co(2), one Zn(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Zn(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one Co(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(2), one Zn(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Zn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a trigonal pyramidal geometry to one Mg(1), one Co(1), one Co(2), and one Zn(1) atom. is represented by the CIF file [CIF]
data_MgZn2Co2(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.766
_cell_length_b   6.967
_cell_length_c   8.124
_cell_angle_alpha   89.165
_cell_angle_beta   42.587
_cell_angle_gamma   73.394
_symmetry_Int_Tables_number   1
_cell_volume   201.764
_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
  Mg  Mg0  1  0.964  0.257  0.487  1.0
  Zn  Zn1  1  0.224  0.259  0.832  1.0
  Zn  Zn2  1  0.608  0.751  0.225  1.0
  Co  Co3  1  0.370  0.524  0.060  1.0
  Co  Co4  1  0.641  0.949  0.879  1.0
  P  P5  1  0.586  0.237  0.330  1.0
  P  P6  1  0.436  0.734  0.676  1.0
  O  O7  1  0.530  0.077  0.238  1.0
  O  O8  1  0.679  0.392  0.166  1.0
  O  O9  1  0.468  0.930  0.732  1.0
  O  O10  1  0.191  0.654  0.913  1.0
  O  O11  1  0.837  0.552  0.453  1.0
  O  O12  1  0.252  0.797  0.597  1.0
  O  O13  1  0.191  0.350  0.614  1.0
  O  O14  1  0.883  0.145  0.309  1.0
  O  O15  1  0.492  0.748  0.062  1.0
  O  O16  1  0.562  0.243  0.842  1.0
[/CIF]
.
The crystal structure described by MgCo2Zn2(PO5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(5), one O(7), and one O(8) atom to form distorted MgO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra,  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent Co(1)O5 trigonal bipyramids, and  an edgeedge with one P(1)O4 tetrahedra. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(2), one O(4), one O(5), and one O(9) atom to form distorted CoO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent Zn(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent Mg(1)O5 trigonal bipyramids, and  an edgeedge with one Zn(2)O5 trigonal bipyramid. In the second Co site, Co(2) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(3), one O(6), and one O(9) atom. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(10), one O(2), one O(3), and one O(7) atom to form distorted ZnO4 tetrahedra that share  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra,  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent Mg(1)O5 trigonal bipyramids, and corners with two equivalent Co(1)O5 trigonal bipyramids. In the second Zn site, Zn(2) is bonded to one O(1), one O(2), one O(4), one O(6), and one O(9) atom to form distorted ZnO5 trigonal bipyramids that share  a cornercorner with one Zn(1)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, and  an edgeedge with one Co(1)O5 trigonal bipyramid. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)O4 tetrahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid,  a cornercorner with one Co(1)O5 trigonal bipyramid, corners with two equivalent Zn(2)O5 trigonal bipyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. In the second P site, P(2) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Zn(1)O4 tetrahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid, corners with two equivalent Co(1)O5 trigonal bipyramids, and corners with two equivalent Zn(2)O5 trigonal bipyramids. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Co(2), one Zn(2), and one P(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Co(1), one Zn(1), one Zn(2), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Co(2), one Zn(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Zn(2), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one Co(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(2), one Zn(2), and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Zn(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a trigonal pyramidal geometry to one Mg(1), one Co(1), one Co(2), and one Zn(1) atom. is represented by the CIF file [CIF]
data_MgZn2Co2(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.766
_cell_length_b   6.967
_cell_length_c   8.124
_cell_angle_alpha   89.165
_cell_angle_beta   42.587
_cell_angle_gamma   73.394
_symmetry_Int_Tables_number   1
_cell_volume   201.764
_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
  Mg  Mg0  1  0.964  0.257  0.487  1.0
  Zn  Zn1  1  0.224  0.259  0.832  1.0
  Zn  Zn2  1  0.608  0.751  0.225  1.0
  Co  Co3  1  0.370  0.524  0.060  1.0
  Co  Co4  1  0.641  0.949  0.879  1.0
  P  P5  1  0.586  0.237  0.330  1.0
  P  P6  1  0.436  0.734  0.676  1.0
  O  O7  1  0.530  0.077  0.238  1.0
  O  O8  1  0.679  0.392  0.166  1.0
  O  O9  1  0.468  0.930  0.732  1.0
  O  O10  1  0.191  0.654  0.913  1.0
  O  O11  1  0.837  0.552  0.453  1.0
  O  O12  1  0.252  0.797  0.597  1.0
  O  O13  1  0.191  0.350  0.614  1.0
  O  O14  1  0.883  0.145  0.309  1.0
  O  O15  1  0.492  0.748  0.062  1.0
  O  O16  1  0.562  0.243  0.842  1.0
[/CIF]
.