The crystal structure described by MgVCr2Mn3(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(16), one O(2), one O(3), and one O(5) atom. V(1) is bonded to one O(11), one O(13), one O(16), one O(18), one O(21), and one O(5) atom to form VO6 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 Cr sites. In the first Cr site, Cr(1) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(18), one O(21), one O(4), and one O(7) atom. In the second Cr site, Cr(2) is bonded to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) atom to form CrO6 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,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Mn(3)O6 octahedra. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom. In the second Mn site, Mn(2) is bonded to one O(12), one O(14), one O(20), one O(4), 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 third Mn site, Mn(3) is bonded to one O(1), one O(15), one O(17), one O(19), one O(2), and one O(3) 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,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Cr(2)O6 octahedra. There are six inequivalent P sites. In the first P site, P(1) 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 V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-47°. In the second P site, P(2) is bonded to one O(1), one O(13), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-48°. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-53°. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(23), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-61°. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-58°. In the sixth P site, P(6) is bonded to one O(19), one O(20), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-55°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(3), and one P(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(3), and one P(3) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one V(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one V(1), one Cr(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a T-shaped geometry to one Mg(1), one V(1), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(2), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(3), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a T-shaped geometry to one Mg(1), one V(1), and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(3), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one V(1), one Cr(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(3), and one P(6) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(6) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one V(1), one Cr(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(6) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(5) atom. is represented by the CIF file [CIF]
data_MgMn3VCr2(PO4)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.968
_cell_length_b   8.749
_cell_length_c   8.679
_cell_angle_alpha   59.905
_cell_angle_beta   60.893
_cell_angle_gamma   58.340
_symmetry_Int_Tables_number   1
_cell_volume   477.889
_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  0.249  0.252  0.254  1.0
  Mn  Mn1  1  0.043  0.646  0.658  1.0
  Mn  Mn2  1  0.440  0.859  0.851  1.0
  Mn  Mn3  1  0.891  0.364  0.363  1.0
  V  V4  1  0.607  0.130  0.132  1.0
  Cr  Cr5  1  0.018  0.003  0.983  1.0
  Cr  Cr6  1  0.485  0.504  0.507  1.0
  P  P7  1  0.273  0.252  0.541  1.0
  P  P8  1  0.276  0.945  0.242  1.0
  P  P9  1  0.256  0.550  0.947  1.0
  P  P10  1  0.734  0.458  0.051  1.0
  P  P11  1  0.742  0.050  0.750  1.0
  P  P12  1  0.721  0.744  0.473  1.0
  O  O13  1  0.102  0.108  0.305  1.0
  O  O14  1  0.094  0.491  0.103  1.0
  O  O15  1  0.102  0.312  0.491  1.0
  O  O16  1  0.257  0.097  0.737  1.0
  O  O17  1  0.439  0.186  0.374  1.0
  O  O18  1  0.294  0.414  0.546  1.0
  O  O19  1  0.254  0.932  0.082  1.0
  O  O20  1  0.303  0.753  0.400  1.0
  O  O21  1  0.567  0.600  0.982  1.0
  O  O22  1  0.291  0.551  0.753  1.0
  O  O23  1  0.776  0.247  0.064  1.0
  O  O24  1  0.585  0.984  0.836  1.0
  O  O25  1  0.436  0.010  0.182  1.0
  O  O26  1  0.221  0.747  0.935  1.0
  O  O27  1  0.680  0.445  0.257  1.0
  O  O28  1  0.428  0.379  0.015  1.0
  O  O29  1  0.688  0.258  0.607  1.0
  O  O30  1  0.774  0.067  0.909  1.0
  O  O31  1  0.685  0.602  0.449  1.0
  O  O32  1  0.545  0.831  0.612  1.0
  O  O33  1  0.749  0.904  0.270  1.0
  O  O34  1  0.896  0.666  0.517  1.0
  O  O35  1  0.911  0.490  0.926  1.0
  O  O36  1  0.927  0.920  0.663  1.0
[/CIF]
.
The crystal structure described by MgVCr2Mn3(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(16), one O(2), one O(3), and one O(5) atom. V(1) is bonded to one O(11), one O(13), one O(16), one O(18), one O(21), and one O(5) atom to form VO6 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 Cr sites. In the first Cr site, Cr(1) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(18), one O(21), one O(4), and one O(7) atom. In the second Cr site, Cr(2) is bonded to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) atom to form CrO6 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,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Mn(3)O6 octahedra. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom. In the second Mn site, Mn(2) is bonded to one O(12), one O(14), one O(20), one O(4), 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 third Mn site, Mn(3) is bonded to one O(1), one O(15), one O(17), one O(19), one O(2), and one O(3) 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,  a cornercorner with one P(6)O4 tetrahedra, and  a faceface with one Cr(2)O6 octahedra. There are six inequivalent P sites. In the first P site, P(1) 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 V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 13-47°. In the second P site, P(2) is bonded to one O(1), one O(13), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-48°. In the third P site, P(3) is bonded to one O(10), one O(14), one O(16), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-53°. In the fourth P site, P(4) is bonded to one O(11), one O(15), one O(23), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-61°. In the fifth P site, P(5) is bonded to one O(12), one O(17), one O(18), and one O(24) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-58°. In the sixth P site, P(6) is bonded to one O(19), one O(20), one O(21), and one O(22) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, and  a cornercorner with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 34-55°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(3), and one P(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(3), and one P(3) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one V(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(1), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(2), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(1), and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(1), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one V(1), one Cr(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(5) atom. In the thirteenth O site, O(13) is bonded in a T-shaped geometry to one Mg(1), one V(1), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(2), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(3), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a T-shaped geometry to one Mg(1), one V(1), and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(3), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one V(1), one Cr(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Cr(2), one Mn(3), and one P(6) atom. In the twentieth O site, O(20) is bonded in a bent 150 degrees geometry to one Mn(2) and one P(6) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one V(1), one Cr(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(6) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(5) atom. is represented by the CIF file [CIF]
data_MgMn3VCr2(PO4)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.968
_cell_length_b   8.749
_cell_length_c   8.679
_cell_angle_alpha   59.905
_cell_angle_beta   60.893
_cell_angle_gamma   58.340
_symmetry_Int_Tables_number   1
_cell_volume   477.889
_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  0.249  0.252  0.254  1.0
  Mn  Mn1  1  0.043  0.646  0.658  1.0
  Mn  Mn2  1  0.440  0.859  0.851  1.0
  Mn  Mn3  1  0.891  0.364  0.363  1.0
  V  V4  1  0.607  0.130  0.132  1.0
  Cr  Cr5  1  0.018  0.003  0.983  1.0
  Cr  Cr6  1  0.485  0.504  0.507  1.0
  P  P7  1  0.273  0.252  0.541  1.0
  P  P8  1  0.276  0.945  0.242  1.0
  P  P9  1  0.256  0.550  0.947  1.0
  P  P10  1  0.734  0.458  0.051  1.0
  P  P11  1  0.742  0.050  0.750  1.0
  P  P12  1  0.721  0.744  0.473  1.0
  O  O13  1  0.102  0.108  0.305  1.0
  O  O14  1  0.094  0.491  0.103  1.0
  O  O15  1  0.102  0.312  0.491  1.0
  O  O16  1  0.257  0.097  0.737  1.0
  O  O17  1  0.439  0.186  0.374  1.0
  O  O18  1  0.294  0.414  0.546  1.0
  O  O19  1  0.254  0.932  0.082  1.0
  O  O20  1  0.303  0.753  0.400  1.0
  O  O21  1  0.567  0.600  0.982  1.0
  O  O22  1  0.291  0.551  0.753  1.0
  O  O23  1  0.776  0.247  0.064  1.0
  O  O24  1  0.585  0.984  0.836  1.0
  O  O25  1  0.436  0.010  0.182  1.0
  O  O26  1  0.221  0.747  0.935  1.0
  O  O27  1  0.680  0.445  0.257  1.0
  O  O28  1  0.428  0.379  0.015  1.0
  O  O29  1  0.688  0.258  0.607  1.0
  O  O30  1  0.774  0.067  0.909  1.0
  O  O31  1  0.685  0.602  0.449  1.0
  O  O32  1  0.545  0.831  0.612  1.0
  O  O33  1  0.749  0.904  0.270  1.0
  O  O34  1  0.896  0.666  0.517  1.0
  O  O35  1  0.911  0.490  0.926  1.0
  O  O36  1  0.927  0.920  0.663  1.0
[/CIF]
.