The crystal structure described by MgMn4Cu2(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one O(11), one O(15), one O(17), one O(21), and one O(5) atom. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(12), one O(14), one O(20), one O(3), one O(7), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(8) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the third Mn site, Mn(3) is bonded to one O(15), one O(19), one O(21), one O(23), and one O(24) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(13), one O(16), one O(18), one O(22), and one O(5) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to one O(11), one O(14), one O(18), and one O(7) atom. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one O(17), one O(19), one O(6), and one O(8) atom. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(24), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 48-53°. In the second P site, P(2) is bonded to one O(13), one O(21), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 13-54°. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(23) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 27-50°. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(2), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-49°. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-56°. In the sixth P site, P(6) is bonded to one O(1), one O(19), one O(20), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 27-41°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(6) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one P(5) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(4), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(2), one Cu(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(1), one Cu(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mn(2), one Cu(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(4) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Mn(2) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal pyramidal geometry to one Mg(1), one Mn(4), one Cu(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Mn(4) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(1), one Cu(1), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Mn(4) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Mg(1), one Cu(2), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Mn(4), one Cu(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a trigonal planar geometry to one Mn(3), one Cu(2), and one P(6) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(6) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(3), and one P(2) atom. In the twenty-second O site, O(22) is bonded in a distorted bent 150 degrees geometry to one Mn(4) and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one Mn(3) and one P(3) atom. In the twenty-fourth O site, O(24) is bonded in a linear geometry to one Mn(3) and one P(1) atom. is represented by the CIF file [CIF]
data_MgMn4Cu2(PO4)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.359
_cell_length_b   8.307
_cell_length_c   9.380
_cell_angle_alpha   59.203
_cell_angle_beta   58.794
_cell_angle_gamma   62.362
_symmetry_Int_Tables_number   1
_cell_volume   460.756
_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  0.279  0.868  0.619  1.0
  Mn  Mn1  1  0.136  0.142  0.153  1.0
  Mn  Mn2  1  0.352  0.375  0.340  1.0
  Mn  Mn3  1  0.656  0.621  0.682  1.0
  Mn  Mn4  1  0.848  0.858  0.851  1.0
  Cu  Cu5  1  0.995  0.003  0.001  1.0
  Cu  Cu6  1  0.515  0.495  0.490  1.0
  P  P7  1  0.078  0.744  0.474  1.0
  P  P8  1  0.451  0.042  0.745  1.0
  P  P9  1  0.757  0.430  0.038  1.0
  P  P10  1  0.239  0.561  0.968  1.0
  P  P11  1  0.534  0.968  0.238  1.0
  P  P12  1  0.936  0.267  0.527  1.0
  O  O13  1  0.106  0.325  0.493  1.0
  O  O14  1  0.282  0.551  0.109  1.0
  O  O15  1  0.071  0.899  0.290  1.0
  O  O16  1  0.470  0.117  0.320  1.0
  O  O17  1  0.088  0.811  0.594  1.0
  O  O18  1  0.270  0.577  0.439  1.0
  O  O19  1  0.250  0.054  0.901  1.0
  O  O20  1  0.466  0.239  0.589  1.0
  O  O21  1  0.169  0.398  0.011  1.0
  O  O22  1  0.592  0.440  0.220  1.0
  O  O23  1  0.092  0.774  0.907  1.0
  O  O24  1  0.399  0.021  0.146  1.0
  O  O25  1  0.612  0.955  0.816  1.0
  O  O26  1  0.911  0.226  0.078  1.0
  O  O27  1  0.409  0.574  0.777  1.0
  O  O28  1  0.845  0.595  0.964  1.0
  O  O29  1  0.508  0.776  0.410  1.0
  O  O30  1  0.745  0.939  0.101  1.0
  O  O31  1  0.743  0.437  0.552  1.0
  O  O32  1  0.966  0.211  0.384  1.0
  O  O33  1  0.473  0.898  0.669  1.0
  O  O34  1  0.922  0.098  0.715  1.0
  O  O35  1  0.689  0.437  0.912  1.0
  O  O36  1  0.897  0.673  0.568  1.0
[/CIF]
.
The crystal structure described by MgMn4Cu2(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 5-coordinate geometry to one O(11), one O(15), one O(17), one O(21), and one O(5) atom. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(12), one O(14), one O(20), one O(3), one O(7), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(2), one O(4), one O(6), and one O(8) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the third Mn site, Mn(3) is bonded to one O(15), one O(19), one O(21), one O(23), and one O(24) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(13), one O(16), one O(18), one O(22), and one O(5) atom to form distorted MnO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and  a cornercorner with one P(6)O4 tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to one O(11), one O(14), one O(18), and one O(7) atom. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one O(17), one O(19), one O(6), and one O(8) atom. There are six inequivalent P sites. In the first P site, P(1) is bonded to one O(24), one O(3), one O(5), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 48-53°. In the second P site, P(2) is bonded to one O(13), one O(21), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 13-54°. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(23) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 27-50°. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(2), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-49°. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-56°. In the sixth P site, P(6) is bonded to one O(1), one O(19), one O(20), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 27-41°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(6) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one P(5) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(4), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(2), one Cu(2), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(1), one Cu(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mn(2), one Cu(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(4) atom. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Mn(2) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal pyramidal geometry to one Mg(1), one Mn(4), one Cu(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a linear geometry to one Mn(4) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(1), one Cu(1), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Mn(4) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Mg(1), one Cu(2), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Mn(4), one Cu(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a trigonal planar geometry to one Mn(3), one Cu(2), and one P(6) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(6) atom. In the twenty-first O site, O(21) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(3), and one P(2) atom. In the twenty-second O site, O(22) is bonded in a distorted bent 150 degrees geometry to one Mn(4) and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one Mn(3) and one P(3) atom. In the twenty-fourth O site, O(24) is bonded in a linear geometry to one Mn(3) and one P(1) atom. is represented by the CIF file [CIF]
data_MgMn4Cu2(PO4)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.359
_cell_length_b   8.307
_cell_length_c   9.380
_cell_angle_alpha   59.203
_cell_angle_beta   58.794
_cell_angle_gamma   62.362
_symmetry_Int_Tables_number   1
_cell_volume   460.756
_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  0.279  0.868  0.619  1.0
  Mn  Mn1  1  0.136  0.142  0.153  1.0
  Mn  Mn2  1  0.352  0.375  0.340  1.0
  Mn  Mn3  1  0.656  0.621  0.682  1.0
  Mn  Mn4  1  0.848  0.858  0.851  1.0
  Cu  Cu5  1  0.995  0.003  0.001  1.0
  Cu  Cu6  1  0.515  0.495  0.490  1.0
  P  P7  1  0.078  0.744  0.474  1.0
  P  P8  1  0.451  0.042  0.745  1.0
  P  P9  1  0.757  0.430  0.038  1.0
  P  P10  1  0.239  0.561  0.968  1.0
  P  P11  1  0.534  0.968  0.238  1.0
  P  P12  1  0.936  0.267  0.527  1.0
  O  O13  1  0.106  0.325  0.493  1.0
  O  O14  1  0.282  0.551  0.109  1.0
  O  O15  1  0.071  0.899  0.290  1.0
  O  O16  1  0.470  0.117  0.320  1.0
  O  O17  1  0.088  0.811  0.594  1.0
  O  O18  1  0.270  0.577  0.439  1.0
  O  O19  1  0.250  0.054  0.901  1.0
  O  O20  1  0.466  0.239  0.589  1.0
  O  O21  1  0.169  0.398  0.011  1.0
  O  O22  1  0.592  0.440  0.220  1.0
  O  O23  1  0.092  0.774  0.907  1.0
  O  O24  1  0.399  0.021  0.146  1.0
  O  O25  1  0.612  0.955  0.816  1.0
  O  O26  1  0.911  0.226  0.078  1.0
  O  O27  1  0.409  0.574  0.777  1.0
  O  O28  1  0.845  0.595  0.964  1.0
  O  O29  1  0.508  0.776  0.410  1.0
  O  O30  1  0.745  0.939  0.101  1.0
  O  O31  1  0.743  0.437  0.552  1.0
  O  O32  1  0.966  0.211  0.384  1.0
  O  O33  1  0.473  0.898  0.669  1.0
  O  O34  1  0.922  0.098  0.715  1.0
  O  O35  1  0.689  0.437  0.912  1.0
  O  O36  1  0.897  0.673  0.568  1.0
[/CIF]
.