LaMoO4Br crystallizes in the monoclinic Pc space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(2), one O(5), two equivalent O(3), two equivalent O(4), one Br(2), and two equivalent Br(1) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(1), one O(6), two equivalent O(7), two equivalent O(8), one Br(1), and two equivalent Br(2) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), and two equivalent O(2) atoms. In the second Mo site, Mo(2) is bonded in a 5-coordinate geometry to one O(5), one O(7), one O(8), and two equivalent O(6) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one La(2) and one Mo(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one La(1) and two equivalent Mo(1) atoms. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent La(1) and one Mo(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent La(1) and one Mo(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one La(1) and one Mo(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(2) and two equivalent Mo(2) atoms. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to two equivalent La(2) and one Mo(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent La(2) and one Mo(2) atom. There are two inequivalent Br sites. In the first Br site, Br(1) is bonded in a 3-coordinate geometry to one La(2) and two equivalent La(1) atoms. In the second Br site, Br(2) is bonded in a 3-coordinate geometry to one La(1) and two equivalent La(2) atoms.
LaMoO4Br crystallizes in the monoclinic Pc space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(2), one O(5), two equivalent O(3), two equivalent O(4), one Br(2), and two equivalent Br(1) atoms. The La(1)-O(2) bond length is 2.63 Å. The La(1)-O(5) bond length is 2.46 Å. There is one shorter (2.52 Å) and one longer (2.54 Å) La(1)-O(3) bond length. There is one shorter (2.50 Å) and one longer (2.59 Å) La(1)-O(4) bond length. The La(1)-Br(2) bond length is 3.25 Å. There is one shorter (3.15 Å) and one longer (3.18 Å) La(1)-Br(1) bond length. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(1), one O(6), two equivalent O(7), two equivalent O(8), one Br(1), and two equivalent Br(2) atoms. The La(2)-O(1) bond length is 2.46 Å. The La(2)-O(6) bond length is 2.63 Å. There is one shorter (2.51 Å) and one longer (2.59 Å) La(2)-O(7) bond length. There is one shorter (2.51 Å) and one longer (2.53 Å) La(2)-O(8) bond length. The La(2)-Br(1) bond length is 3.25 Å. There is one shorter (3.16 Å) and one longer (3.17 Å) La(2)-Br(2) bond length. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), and two equivalent O(2) atoms. The Mo(1)-O(1) bond length is 1.75 Å. The Mo(1)-O(3) bond length is 1.81 Å. The Mo(1)-O(4) bond length is 1.80 Å. There is one shorter (1.76 Å) and one longer (2.35 Å) Mo(1)-O(2) bond length. In the second Mo site, Mo(2) is bonded in a 5-coordinate geometry to one O(5), one O(7), one O(8), and two equivalent O(6) atoms. The Mo(2)-O(5) bond length is 1.74 Å. The Mo(2)-O(7) bond length is 1.80 Å. The Mo(2)-O(8) bond length is 1.81 Å. There is one shorter (1.76 Å) and one longer (2.35 Å) Mo(2)-O(6) bond length. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one La(2) and one Mo(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one La(1) and two equivalent Mo(1) atoms. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent La(1) and one Mo(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent La(1) and one Mo(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one La(1) and one Mo(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(2) and two equivalent Mo(2) atoms. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to two equivalent La(2) and one Mo(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent La(2) and one Mo(2) atom. There are two inequivalent Br sites. In the first Br site, Br(1) is bonded in a 3-coordinate geometry to one La(2) and two equivalent La(1) atoms. In the second Br site, Br(2) is bonded in a 3-coordinate geometry to one La(1) and two equivalent La(2) atoms.