Mn23(BC2)2 crystallizes in the orthorhombic Imm2 space group. There are ten inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted bent 150 degrees geometry to one Mn(9), one B(1), and one C(1) atom. In the second Mn site, Mn(2) is bonded in a distorted bent 150 degrees geometry to one Mn(9) and two equivalent B(1) atoms. In the third Mn site, Mn(3) is bonded in a distorted bent 150 degrees geometry to one Mn(9), one C(1), and one C(2) atom. In the fourth Mn site, Mn(4) is bonded in a distorted bent 150 degrees geometry to one Mn(9) and two equivalent C(2) atoms. In the fifth Mn site, Mn(5) is bonded in a distorted bent 150 degrees geometry to one Mn(9), one B(1), and one C(2) atom. In the sixth Mn site, Mn(6) is bonded in a distorted trigonal non-coplanar geometry to one Mn(10), two equivalent B(1), and one C(1) atom. In the seventh Mn site, Mn(7) is bonded in a trigonal non-coplanar geometry to one Mn(10), one C(1), and two equivalent C(2) atoms. In the eighth Mn site, Mn(8) is bonded in a distorted trigonal non-coplanar geometry to one Mn(10), one B(1), one C(1), and one C(2) atom. In the ninth Mn site, Mn(9) is bonded in a 14-coordinate geometry to one Mn(2), one Mn(4), two equivalent Mn(5), four equivalent Mn(1), four equivalent Mn(3), and two equivalent B(1) atoms. In the tenth Mn site, Mn(10) is bonded in a distorted tetrahedral geometry to one Mn(6), one Mn(7), and two equivalent Mn(8) atoms. B(1) is bonded in a 8-coordinate geometry to one Mn(2), one Mn(5), one Mn(9), two equivalent Mn(1), two equivalent Mn(6), and two equivalent Mn(8) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 8-coordinate geometry to one Mn(6), one Mn(7), two equivalent Mn(1), two equivalent Mn(3), and two equivalent Mn(8) atoms. In the second C site, C(2) is bonded in a 8-coordinate geometry to one Mn(4), one Mn(5), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms.
Mn23(BC2)2 crystallizes in the orthorhombic Imm2 space group. There are ten inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted bent 150 degrees geometry to one Mn(9), one B(1), and one C(1) atom. The Mn(1)-Mn(9) bond length is 2.48 Å. The Mn(1)-B(1) bond length is 2.11 Å. The Mn(1)-C(1) bond length is 2.07 Å. In the second Mn site, Mn(2) is bonded in a distorted bent 150 degrees geometry to one Mn(9) and two equivalent B(1) atoms. The Mn(2)-Mn(9) bond length is 2.46 Å. Both Mn(2)-B(1) bond lengths are 2.09 Å. In the third Mn site, Mn(3) is bonded in a distorted bent 150 degrees geometry to one Mn(9), one C(1), and one C(2) atom. The Mn(3)-Mn(9) bond length is 2.53 Å. The Mn(3)-C(1) bond length is 2.08 Å. The Mn(3)-C(2) bond length is 2.09 Å. In the fourth Mn site, Mn(4) is bonded in a distorted bent 150 degrees geometry to one Mn(9) and two equivalent C(2) atoms. The Mn(4)-Mn(9) bond length is 2.56 Å. Both Mn(4)-C(2) bond lengths are 2.07 Å. In the fifth Mn site, Mn(5) is bonded in a distorted bent 150 degrees geometry to one Mn(9), one B(1), and one C(2) atom. The Mn(5)-Mn(9) bond length is 2.51 Å. The Mn(5)-B(1) bond length is 2.09 Å. The Mn(5)-C(2) bond length is 2.06 Å. In the sixth Mn site, Mn(6) is bonded in a distorted trigonal non-coplanar geometry to one Mn(10), two equivalent B(1), and one C(1) atom. The Mn(6)-Mn(10) bond length is 2.38 Å. Both Mn(6)-B(1) bond lengths are 2.10 Å. The Mn(6)-C(1) bond length is 2.04 Å. In the seventh Mn site, Mn(7) is bonded in a trigonal non-coplanar geometry to one Mn(10), one C(1), and two equivalent C(2) atoms. The Mn(7)-Mn(10) bond length is 2.37 Å. The Mn(7)-C(1) bond length is 2.07 Å. Both Mn(7)-C(2) bond lengths are 2.06 Å. In the eighth Mn site, Mn(8) is bonded in a distorted trigonal non-coplanar geometry to one Mn(10), one B(1), one C(1), and one C(2) atom. The Mn(8)-Mn(10) bond length is 2.38 Å. The Mn(8)-B(1) bond length is 2.11 Å. The Mn(8)-C(1) bond length is 2.06 Å. The Mn(8)-C(2) bond length is 2.05 Å. In the ninth Mn site, Mn(9) is bonded in a 14-coordinate geometry to one Mn(2), one Mn(4), two equivalent Mn(5), four equivalent Mn(1), four equivalent Mn(3), and two equivalent B(1) atoms. Both Mn(9)-B(1) bond lengths are 2.76 Å. In the tenth Mn site, Mn(10) is bonded in a distorted tetrahedral geometry to one Mn(6), one Mn(7), and two equivalent Mn(8) atoms. B(1) is bonded in a 8-coordinate geometry to one Mn(2), one Mn(5), one Mn(9), two equivalent Mn(1), two equivalent Mn(6), and two equivalent Mn(8) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 8-coordinate geometry to one Mn(6), one Mn(7), two equivalent Mn(1), two equivalent Mn(3), and two equivalent Mn(8) atoms. In the second C site, C(2) is bonded in a 8-coordinate geometry to one Mn(4), one Mn(5), two equivalent Mn(3), two equivalent Mn(7), and two equivalent Mn(8) atoms.