Cr3Rh25B12 crystallizes in the triclinic P1 space group. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a 2-coordinate geometry to one Rh(12), one B(2), and one B(6) atom. In the second Cr site, Cr(2) is bonded in a 2-coordinate geometry to one B(1) and one B(3) atom. In the third Cr site, Cr(3) is bonded in a 2-coordinate geometry to one Rh(12), one B(2), and one B(4) atom. There are twenty-five inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 3-coordinate geometry to one B(1), one B(3), and one B(5) atom. In the second Rh site, Rh(2) is bonded in a 3-coordinate geometry to one B(2), one B(4), and one B(6) atom. In the third Rh site, Rh(3) is bonded in a 3-coordinate geometry to one B(11), one B(7), and one B(9) atom. In the fourth Rh site, Rh(4) is bonded in a 3-coordinate geometry to one B(10), one B(12), and one B(8) atom. In the fifth Rh site, Rh(5) is bonded in a 3-coordinate geometry to one B(4), one B(5), and one B(7) atom. In the sixth Rh site, Rh(6) is bonded in a 3-coordinate geometry to one B(3), one B(6), and one B(8) atom. In the seventh Rh site, Rh(7) is bonded in a 3-coordinate geometry to one B(2), one B(5), and one B(9) atom. In the eighth Rh site, Rh(8) is bonded in a 3-coordinate geometry to one B(1), one B(10), and one B(6) atom. In the ninth Rh site, Rh(9) is bonded in a 3-coordinate geometry to one B(1), one B(11), and one B(3) atom. In the tenth Rh site, Rh(10) is bonded in a 3-coordinate geometry to one B(12), one B(2), and one B(4) atom. In the eleventh Rh site, Rh(11) is bonded in a 3-coordinate geometry to one B(1), one B(10), and one B(11) atom. In the twelfth Rh site, Rh(12) is bonded in a 5-coordinate geometry to one Cr(1), one Cr(3), one B(12), one B(2), and one B(9) atom. In the thirteenth Rh site, Rh(13) is bonded in a 3-coordinate geometry to one B(11), one B(3), and one B(8) atom. In the fourteenth Rh site, Rh(14) is bonded in a 3-coordinate geometry to one B(12), one B(4), and one B(7) atom. In the fifteenth Rh site, Rh(15) is bonded in a 3-coordinate geometry to one B(5), one B(7), and one B(9) atom. In the sixteenth Rh site, Rh(16) is bonded in a 3-coordinate geometry to one B(10), one B(6), and one B(8) atom. In the seventeenth Rh site, Rh(17) is bonded in a distorted water-like geometry to one B(11) and one B(9) atom. In the eighteenth Rh site, Rh(18) is bonded in a distorted water-like geometry to one B(10) and one B(12) atom. In the nineteenth Rh site, Rh(19) is bonded in a distorted water-like geometry to one B(11) and one B(7) atom. In the twentieth Rh site, Rh(20) is bonded in a 2-coordinate geometry to one B(12) and one B(8) atom. In the twenty-first Rh site, Rh(21) is bonded in a 2-coordinate geometry to one B(7) and one B(9) atom. In the twenty-second Rh site, Rh(22) is bonded in a 2-coordinate geometry to one B(10) and one B(8) atom. In the twenty-third Rh site, Rh(23) is bonded in a distorted water-like geometry to one B(3) and one B(5) atom. In the twenty-fourth Rh site, Rh(24) is bonded in a 2-coordinate geometry to one B(4) and one B(6) atom. In the twenty-fifth Rh site, Rh(25) is bonded in a distorted water-like geometry to one B(1) and one B(5) atom. There are twelve inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to one Cr(2), one Rh(1), one Rh(11), one Rh(25), one Rh(8), and one Rh(9) atom. In the second B site, B(2) is bonded in a 6-coordinate geometry to one Cr(1), one Cr(3), one Rh(10), one Rh(12), one Rh(2), and one Rh(7) atom. In the third B site, B(3) is bonded in a 6-coordinate geometry to one Cr(2), one Rh(1), one Rh(13), one Rh(23), one Rh(6), and one Rh(9) atom. In the fourth B site, B(4) is bonded in a 6-coordinate geometry to one Cr(3), one Rh(10), one Rh(14), one Rh(2), one Rh(24), and one Rh(5) atom. In the fifth B site, B(5) is bonded in a 6-coordinate geometry to one Rh(1), one Rh(15), one Rh(23), one Rh(25), one Rh(5), and one Rh(7) atom. In the sixth B site, B(6) is bonded in a 6-coordinate geometry to one Cr(1), one Rh(16), one Rh(2), one Rh(24), one Rh(6), and one Rh(8) atom. In the seventh B site, B(7) is bonded in a 6-coordinate geometry to one Rh(14), one Rh(15), one Rh(19), one Rh(21), one Rh(3), and one Rh(5) atom. In the eighth B site, B(8) is bonded in a 6-coordinate geometry to one Rh(13), one Rh(16), one Rh(20), one Rh(22), one Rh(4), and one Rh(6) atom. In the ninth B site, B(9) is bonded in a 6-coordinate geometry to one Rh(12), one Rh(15), one Rh(17), one Rh(21), one Rh(3), and one Rh(7) atom. In the tenth B site, B(10) is bonded in a 6-coordinate geometry to one Rh(11), one Rh(16), one Rh(18), one Rh(22), one Rh(4), and one Rh(8) atom. In the eleventh B site, B(11) is bonded in a 6-coordinate geometry to one Rh(11), one Rh(13), one Rh(17), one Rh(19), one Rh(3), and one Rh(9) atom. In the twelfth B site, B(12) is bonded in a 6-coordinate geometry to one Rh(10), one Rh(12), one Rh(14), one Rh(18), one Rh(20), and one Rh(4) atom.
Cr3Rh25B12 crystallizes in the triclinic P1 space group. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a 2-coordinate geometry to one Rh(12), one B(2), and one B(6) atom. The Cr(1)-Rh(12) bond length is 2.71 Å. The Cr(1)-B(2) bond length is 2.22 Å. The Cr(1)-B(6) bond length is 2.26 Å. In the second Cr site, Cr(2) is bonded in a 2-coordinate geometry to one B(1) and one B(3) atom. The Cr(2)-B(1) bond length is 2.29 Å. The Cr(2)-B(3) bond length is 2.28 Å. In the third Cr site, Cr(3) is bonded in a 2-coordinate geometry to one Rh(12), one B(2), and one B(4) atom. The Cr(3)-Rh(12) bond length is 2.71 Å. The Cr(3)-B(2) bond length is 2.22 Å. The Cr(3)-B(4) bond length is 2.28 Å. There are twenty-five inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 3-coordinate geometry to one B(1), one B(3), and one B(5) atom. The Rh(1)-B(1) bond length is 2.22 Å. The Rh(1)-B(3) bond length is 2.21 Å. The Rh(1)-B(5) bond length is 2.21 Å. In the second Rh site, Rh(2) is bonded in a 3-coordinate geometry to one B(2), one B(4), and one B(6) atom. The Rh(2)-B(2) bond length is 2.20 Å. The Rh(2)-B(4) bond length is 2.23 Å. The Rh(2)-B(6) bond length is 2.20 Å. In the third Rh site, Rh(3) is bonded in a 3-coordinate geometry to one B(11), one B(7), and one B(9) atom. The Rh(3)-B(11) bond length is 2.20 Å. The Rh(3)-B(7) bond length is 2.18 Å. The Rh(3)-B(9) bond length is 2.17 Å. In the fourth Rh site, Rh(4) is bonded in a 3-coordinate geometry to one B(10), one B(12), and one B(8) atom. The Rh(4)-B(10) bond length is 2.19 Å. The Rh(4)-B(12) bond length is 2.16 Å. The Rh(4)-B(8) bond length is 2.15 Å. In the fifth Rh site, Rh(5) is bonded in a 3-coordinate geometry to one B(4), one B(5), and one B(7) atom. The Rh(5)-B(4) bond length is 2.16 Å. The Rh(5)-B(5) bond length is 2.26 Å. The Rh(5)-B(7) bond length is 2.09 Å. In the sixth Rh site, Rh(6) is bonded in a 3-coordinate geometry to one B(3), one B(6), and one B(8) atom. The Rh(6)-B(3) bond length is 2.23 Å. The Rh(6)-B(6) bond length is 2.19 Å. The Rh(6)-B(8) bond length is 2.10 Å. In the seventh Rh site, Rh(7) is bonded in a 3-coordinate geometry to one B(2), one B(5), and one B(9) atom. The Rh(7)-B(2) bond length is 2.16 Å. The Rh(7)-B(5) bond length is 2.25 Å. The Rh(7)-B(9) bond length is 2.10 Å. In the eighth Rh site, Rh(8) is bonded in a 3-coordinate geometry to one B(1), one B(10), and one B(6) atom. The Rh(8)-B(1) bond length is 2.17 Å. The Rh(8)-B(10) bond length is 2.11 Å. The Rh(8)-B(6) bond length is 2.23 Å. In the ninth Rh site, Rh(9) is bonded in a 3-coordinate geometry to one B(1), one B(11), and one B(3) atom. The Rh(9)-B(1) bond length is 2.18 Å. The Rh(9)-B(11) bond length is 2.11 Å. The Rh(9)-B(3) bond length is 2.17 Å. In the tenth Rh site, Rh(10) is bonded in a 3-coordinate geometry to one B(12), one B(2), and one B(4) atom. The Rh(10)-B(12) bond length is 2.11 Å. The Rh(10)-B(2) bond length is 2.15 Å. The Rh(10)-B(4) bond length is 2.23 Å. In the eleventh Rh site, Rh(11) is bonded in a 3-coordinate geometry to one B(1), one B(10), and one B(11) atom. The Rh(11)-B(1) bond length is 2.08 Å. The Rh(11)-B(10) bond length is 2.18 Å. The Rh(11)-B(11) bond length is 2.23 Å. In the twelfth Rh site, Rh(12) is bonded in a 5-coordinate geometry to one Cr(1), one Cr(3), one B(12), one B(2), and one B(9) atom. The Rh(12)-B(12) bond length is 2.21 Å. The Rh(12)-B(2) bond length is 2.11 Å. The Rh(12)-B(9) bond length is 2.20 Å. In the thirteenth Rh site, Rh(13) is bonded in a 3-coordinate geometry to one B(11), one B(3), and one B(8) atom. The Rh(13)-B(11) bond length is 2.24 Å. The Rh(13)-B(3) bond length is 2.08 Å. The Rh(13)-B(8) bond length is 2.19 Å. In the fourteenth Rh site, Rh(14) is bonded in a 3-coordinate geometry to one B(12), one B(4), and one B(7) atom. The Rh(14)-B(12) bond length is 2.22 Å. The Rh(14)-B(4) bond length is 2.08 Å. The Rh(14)-B(7) bond length is 2.20 Å. In the fifteenth Rh site, Rh(15) is bonded in a 3-coordinate geometry to one B(5), one B(7), and one B(9) atom. The Rh(15)-B(5) bond length is 2.10 Å. The Rh(15)-B(7) bond length is 2.22 Å. The Rh(15)-B(9) bond length is 2.22 Å. In the sixteenth Rh site, Rh(16) is bonded in a 3-coordinate geometry to one B(10), one B(6), and one B(8) atom. The Rh(16)-B(10) bond length is 2.24 Å. The Rh(16)-B(6) bond length is 2.10 Å. The Rh(16)-B(8) bond length is 2.20 Å. In the seventeenth Rh site, Rh(17) is bonded in a distorted water-like geometry to one B(11) and one B(9) atom. The Rh(17)-B(11) bond length is 2.14 Å. The Rh(17)-B(9) bond length is 2.12 Å. In the eighteenth Rh site, Rh(18) is bonded in a distorted water-like geometry to one B(10) and one B(12) atom. The Rh(18)-B(10) bond length is 2.14 Å. The Rh(18)-B(12) bond length is 2.14 Å. In the nineteenth Rh site, Rh(19) is bonded in a distorted water-like geometry to one B(11) and one B(7) atom. The Rh(19)-B(11) bond length is 2.14 Å. The Rh(19)-B(7) bond length is 2.12 Å. In the twentieth Rh site, Rh(20) is bonded in a 2-coordinate geometry to one B(12) and one B(8) atom. The Rh(20)-B(12) bond length is 2.18 Å. The Rh(20)-B(8) bond length is 2.18 Å. In the twenty-first Rh site, Rh(21) is bonded in a 2-coordinate geometry to one B(7) and one B(9) atom. The Rh(21)-B(7) bond length is 2.19 Å. The Rh(21)-B(9) bond length is 2.19 Å. In the twenty-second Rh site, Rh(22) is bonded in a 2-coordinate geometry to one B(10) and one B(8) atom. The Rh(22)-B(10) bond length is 2.19 Å. The Rh(22)-B(8) bond length is 2.18 Å. In the twenty-third Rh site, Rh(23) is bonded in a distorted water-like geometry to one B(3) and one B(5) atom. The Rh(23)-B(3) bond length is 2.11 Å. The Rh(23)-B(5) bond length is 2.16 Å. In the twenty-fourth Rh site, Rh(24) is bonded in a 2-coordinate geometry to one B(4) and one B(6) atom. The Rh(24)-B(4) bond length is 2.14 Å. The Rh(24)-B(6) bond length is 2.13 Å. In the twenty-fifth Rh site, Rh(25) is bonded in a distorted water-like geometry to one B(1) and one B(5) atom. The Rh(25)-B(1) bond length is 2.11 Å. The Rh(25)-B(5) bond length is 2.15 Å. There are twelve inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to one Cr(2), one Rh(1), one Rh(11), one Rh(25), one Rh(8), and one Rh(9) atom. In the second B site, B(2) is bonded in a 6-coordinate geometry to one Cr(1), one Cr(3), one Rh(10), one Rh(12), one Rh(2), and one Rh(7) atom. In the third B site, B(3) is bonded in a 6-coordinate geometry to one Cr(2), one Rh(1), one Rh(13), one Rh(23), one Rh(6), and one Rh(9) atom. In the fourth B site, B(4) is bonded in a 6-coordinate geometry to one Cr(3), one Rh(10), one Rh(14), one Rh(2), one Rh(24), and one Rh(5) atom. In the fifth B site, B(5) is bonded in a 6-coordinate geometry to one Rh(1), one Rh(15), one Rh(23), one Rh(25), one Rh(5), and one Rh(7) atom. In the sixth B site, B(6) is bonded in a 6-coordinate geometry to one Cr(1), one Rh(16), one Rh(2), one Rh(24), one Rh(6), and one Rh(8) atom. In the seventh B site, B(7) is bonded in a 6-coordinate geometry to one Rh(14), one Rh(15), one Rh(19), one Rh(21), one Rh(3), and one Rh(5) atom. In the eighth B site, B(8) is bonded in a 6-coordinate geometry to one Rh(13), one Rh(16), one Rh(20), one Rh(22), one Rh(4), and one Rh(6) atom. In the ninth B site, B(9) is bonded in a 6-coordinate geometry to one Rh(12), one Rh(15), one Rh(17), one Rh(21), one Rh(3), and one Rh(7) atom. In the tenth B site, B(10) is bonded in a 6-coordinate geometry to one Rh(11), one Rh(16), one Rh(18), one Rh(22), one Rh(4), and one Rh(8) atom. In the eleventh B site, B(11) is bonded in a 6-coordinate geometry to one Rh(11), one Rh(13), one Rh(17), one Rh(19), one Rh(3), and one Rh(9) atom. In the twelfth B site, B(12) is bonded in a 6-coordinate geometry to one Rh(10), one Rh(12), one Rh(14), one Rh(18), one Rh(20), and one Rh(4) atom.