BaCr2AsO10 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 10-coordinate geometry to one O(10), one O(2), one O(5), one O(6), one O(7), one O(9), two equivalent O(1), and two equivalent O(8) atoms. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form CrO4 tetrahedra that share  a cornercorner with one As(1)O4 tetrahedra. In the second Cr site, Cr(2) is bonded to one O(10), one O(4), one O(8), and one O(9) atom to form CrO4 tetrahedra that share  a cornercorner with one As(1)O4 tetrahedra. As(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form AsO4 tetrahedra that share  a cornercorner with one Cr(1)O4 tetrahedra and  a cornercorner with one Cr(2)O4 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one As(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1) and one As(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one As(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cr(2) and one As(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ba(1) and one Cr(1) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Ba(1) and one Cr(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Ba(1) and one Cr(1) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to two equivalent Ba(1) and one Cr(2) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Ba(1) and one Cr(2) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Ba(1) and one Cr(2) atom.
BaCr2AsO10 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 10-coordinate geometry to one O(10), one O(2), one O(5), one O(6), one O(7), one O(9), two equivalent O(1), and two equivalent O(8) atoms. The Ba(1)-O(10) bond length is 2.98 Å. The Ba(1)-O(2) bond length is 2.92 Å. The Ba(1)-O(5) bond length is 2.75 Å. The Ba(1)-O(6) bond length is 2.89 Å. The Ba(1)-O(7) bond length is 2.80 Å. The Ba(1)-O(9) bond length is 2.91 Å. There is one shorter (2.76 Å) and one longer (2.92 Å) Ba(1)-O(1) bond length. There is one shorter (2.98 Å) and one longer (3.16 Å) Ba(1)-O(8) bond length. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form CrO4 tetrahedra that share  a cornercorner with one As(1)O4 tetrahedra. The Cr(1)-O(3) bond length is 1.81 Å. The Cr(1)-O(5) bond length is 1.64 Å. The Cr(1)-O(6) bond length is 1.62 Å. The Cr(1)-O(7) bond length is 1.63 Å. In the second Cr site, Cr(2) is bonded to one O(10), one O(4), one O(8), and one O(9) atom to form CrO4 tetrahedra that share  a cornercorner with one As(1)O4 tetrahedra. The Cr(2)-O(10) bond length is 1.63 Å. The Cr(2)-O(4) bond length is 1.83 Å. The Cr(2)-O(8) bond length is 1.65 Å. The Cr(2)-O(9) bond length is 1.62 Å. As(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form AsO4 tetrahedra that share  a cornercorner with one Cr(1)O4 tetrahedra and  a cornercorner with one Cr(2)O4 tetrahedra. The As(1)-O(1) bond length is 1.67 Å. The As(1)-O(2) bond length is 1.73 Å. The As(1)-O(3) bond length is 1.77 Å. The As(1)-O(4) bond length is 1.76 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one As(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1) and one As(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one As(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cr(2) and one As(1) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ba(1) and one Cr(1) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Ba(1) and one Cr(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Ba(1) and one Cr(1) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to two equivalent Ba(1) and one Cr(2) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Ba(1) and one Cr(2) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Ba(1) and one Cr(2) atom.