MgVCrP2(HO5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form distorted MgO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and faces with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles are 54°. V(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(8), and one O(9) atom to form VO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-54°. Cr(1) is bonded to one O(1), one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form CrO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and faces with two equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(5), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and corners with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-47°. In the second P site, P(2) is bonded to one O(3), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and corners with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-48°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(10) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(1) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Mg(1), one V(1), one Cr(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one V(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Cr(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mg(1), 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 Cr(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Cr(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one V(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Mg(1), one V(1), one Cr(1), and one H(1) atom.
MgVCrP2(HO5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form distorted MgO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and faces with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles are 54°. The Mg(1)-O(1) bond length is 2.13 Å. The Mg(1)-O(10) bond length is 2.13 Å. The Mg(1)-O(4) bond length is 2.10 Å. The Mg(1)-O(5) bond length is 2.02 Å. The Mg(1)-O(6) bond length is 2.03 Å. The Mg(1)-O(7) bond length is 2.09 Å. V(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(8), and one O(9) atom to form VO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-54°. The V(1)-O(1) bond length is 2.14 Å. The V(1)-O(10) bond length is 2.15 Å. The V(1)-O(2) bond length is 2.03 Å. The V(1)-O(3) bond length is 2.01 Å. The V(1)-O(8) bond length is 2.01 Å. The V(1)-O(9) bond length is 2.03 Å. Cr(1) is bonded to one O(1), one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form CrO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and faces with two equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. The Cr(1)-O(1) bond length is 2.03 Å. The Cr(1)-O(10) bond length is 2.03 Å. The Cr(1)-O(4) bond length is 2.00 Å. The Cr(1)-O(5) bond length is 2.01 Å. The Cr(1)-O(6) bond length is 2.00 Å. The Cr(1)-O(7) bond length is 2.00 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(4), one O(5), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and corners with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-47°. The P(1)-O(2) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.56 Å. The P(1)-O(5) bond length is 1.56 Å. The P(1)-O(8) bond length is 1.53 Å. In the second P site, P(2) is bonded to one O(3), one O(6), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mg(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and corners with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-48°. The P(2)-O(3) bond length is 1.53 Å. The P(2)-O(6) bond length is 1.56 Å. The P(2)-O(7) bond length is 1.56 Å. The P(2)-O(9) bond length is 1.54 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(10) atom. The H(1)-O(10) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(1) atom. The H(2)-O(1) bond length is 0.99 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Mg(1), one V(1), one Cr(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one V(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Cr(1), and one P(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Mg(1), 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 Cr(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Cr(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one V(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Mg(1), one V(1), one Cr(1), and one H(1) atom.