MgCrMn5(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom to form distorted MgO6 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. Cr(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 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, and  a cornercorner with one P(6)O4 tetrahedra. There are five inequivalent Mn sites. In the first Mn site, Mn(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 Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(12), one O(20), one O(22), one O(23), one O(24), and one O(9) atom. In the third Mn site, Mn(3) is bonded in a 6-coordinate geometry to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) atom. In the fourth Mn site, Mn(4) 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 fifth Mn site, Mn(5) 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, and  a cornercorner with one P(6)O4 tetrahedra. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-50°. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-48°. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-53°. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-50°. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-46°. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-46°. 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(5) and one P(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(5) and one P(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mn(5) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(4), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(4), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(2) atom. In the ninth O site, O(9) is bonded in a T-shaped geometry to one Mn(2), one Mn(4), and one P(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(4), and one P(5) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(4), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one P(6) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(4), and one P(6) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(2), and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(2), and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a T-shaped geometry to one Mg(1), one Mn(2), and one P(5) atom.
MgCrMn5(PO4)6 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(22), one O(23), one O(24), one O(6), and one O(8) atom to form distorted MgO6 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. The Mg(1)-O(10) bond length is 2.07 Å. The Mg(1)-O(22) bond length is 2.19 Å. The Mg(1)-O(23) bond length is 2.38 Å. The Mg(1)-O(24) bond length is 2.14 Å. The Mg(1)-O(6) bond length is 1.98 Å. The Mg(1)-O(8) bond length is 2.01 Å. Cr(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 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, and  a cornercorner with one P(6)O4 tetrahedra. The Cr(1)-O(11) bond length is 2.10 Å. The Cr(1)-O(13) bond length is 1.96 Å. The Cr(1)-O(16) bond length is 1.96 Å. The Cr(1)-O(18) bond length is 2.07 Å. The Cr(1)-O(21) bond length is 2.08 Å. The Cr(1)-O(5) bond length is 1.92 Å. There are five inequivalent Mn sites. In the first Mn site, Mn(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. The Mn(1)-O(11) bond length is 2.27 Å. The Mn(1)-O(14) bond length is 2.17 Å. The Mn(1)-O(18) bond length is 2.25 Å. The Mn(1)-O(21) bond length is 2.21 Å. The Mn(1)-O(4) bond length is 2.33 Å. The Mn(1)-O(7) bond length is 2.43 Å. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(12), one O(20), one O(22), one O(23), one O(24), and one O(9) atom. The Mn(2)-O(12) bond length is 1.94 Å. The Mn(2)-O(20) bond length is 2.26 Å. The Mn(2)-O(22) bond length is 2.15 Å. The Mn(2)-O(23) bond length is 1.93 Å. The Mn(2)-O(24) bond length is 1.98 Å. The Mn(2)-O(9) bond length is 1.99 Å. In the third Mn site, Mn(3) is bonded in a 6-coordinate geometry to one O(10), one O(15), one O(17), one O(19), one O(6), and one O(8) atom. The Mn(3)-O(10) bond length is 2.22 Å. The Mn(3)-O(15) bond length is 2.16 Å. The Mn(3)-O(17) bond length is 2.29 Å. The Mn(3)-O(19) bond length is 2.34 Å. The Mn(3)-O(6) bond length is 2.38 Å. The Mn(3)-O(8) bond length is 2.23 Å. In the fourth Mn site, Mn(4) 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. The Mn(4)-O(12) bond length is 2.46 Å. The Mn(4)-O(14) bond length is 2.09 Å. The Mn(4)-O(20) bond length is 2.04 Å. The Mn(4)-O(4) bond length is 1.92 Å. The Mn(4)-O(7) bond length is 1.99 Å. The Mn(4)-O(9) bond length is 2.08 Å. In the fifth Mn site, Mn(5) 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, and  a cornercorner with one P(6)O4 tetrahedra. The Mn(5)-O(1) bond length is 1.92 Å. The Mn(5)-O(15) bond length is 2.36 Å. The Mn(5)-O(17) bond length is 2.05 Å. The Mn(5)-O(19) bond length is 2.04 Å. The Mn(5)-O(2) bond length is 1.91 Å. The Mn(5)-O(3) bond length is 2.04 Å. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 29-50°. The P(1)-O(3) bond length is 1.52 Å. The P(1)-O(4) bond length is 1.61 Å. The P(1)-O(5) bond length is 1.52 Å. The P(1)-O(6) bond length is 1.54 Å. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-48°. The P(2)-O(1) bond length is 1.54 Å. The P(2)-O(13) bond length is 1.52 Å. The P(2)-O(7) bond length is 1.59 Å. The P(2)-O(8) bond length is 1.55 Å. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-53°. The P(3)-O(10) bond length is 1.55 Å. The P(3)-O(14) bond length is 1.57 Å. The P(3)-O(16) bond length is 1.53 Å. The P(3)-O(2) bond length is 1.55 Å. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-50°. The P(4)-O(11) bond length is 1.53 Å. The P(4)-O(15) bond length is 1.51 Å. The P(4)-O(23) bond length is 1.58 Å. The P(4)-O(9) bond length is 1.60 Å. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-46°. The P(5)-O(12) bond length is 1.57 Å. The P(5)-O(17) bond length is 1.53 Å. The P(5)-O(18) bond length is 1.53 Å. The P(5)-O(24) bond length is 1.58 Å. 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 Mg(1)O6 octahedra,  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-46°. The P(6)-O(19) bond length is 1.56 Å. The P(6)-O(20) bond length is 1.56 Å. The P(6)-O(21) bond length is 1.55 Å. The P(6)-O(22) bond length is 1.55 Å. 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(5) and one P(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(5) and one P(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mn(5) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(4), and one P(1) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(4), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(2) atom. In the ninth O site, O(9) is bonded in a T-shaped geometry to one Mn(2), one Mn(4), and one P(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one P(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(4), and one P(5) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(2) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(4), and one P(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one P(4) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Cr(1) and one P(3) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(1), and one P(5) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one P(6) atom. In the twentieth O site, O(20) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(4), and one P(6) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Cr(1), one Mn(1), and one P(6) atom. In the twenty-second O site, O(22) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(2), and one P(6) atom. In the twenty-third O site, O(23) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(2), and one P(4) atom. In the twenty-fourth O site, O(24) is bonded in a T-shaped geometry to one Mg(1), one Mn(2), and one P(5) atom.