Mn2RhCoAs2 crystallizes in the monoclinic Pm space group. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 11-coordinate geometry to two equivalent Rh(1), two equivalent Rh(2), two equivalent Co(1), one As(5), two equivalent As(2), and two equivalent As(3) atoms. In the second Mn site, Mn(2) is bonded in a 11-coordinate geometry to two equivalent Rh(3), two equivalent Co(2), two equivalent Co(3), one As(6), two equivalent As(1), and two equivalent As(4) atoms. In the third Mn site, Mn(3) is bonded in a 11-coordinate geometry to two equivalent Rh(2), two equivalent Co(1), two equivalent Co(3), one As(5), two equivalent As(1), and two equivalent As(3) atoms. In the fourth Mn site, Mn(4) is bonded in a 11-coordinate geometry to two equivalent Rh(1), two equivalent Rh(3), two equivalent Co(2), one As(6), two equivalent As(2), and two equivalent As(4) atoms. In the fifth Mn site, Mn(5) is bonded in a 11-coordinate geometry to two equivalent Rh(2), two equivalent Co(2), two equivalent Co(3), one As(6), two equivalent As(1), and two equivalent As(3) atoms. In the sixth Mn site, Mn(6) is bonded in a 11-coordinate geometry to two equivalent Rh(1), two equivalent Rh(3), two equivalent Co(1), one As(5), two equivalent As(2), and two equivalent As(4) atoms. There are three inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 11-coordinate geometry to two equivalent Mn(1), two equivalent Mn(4), two equivalent Mn(6), one Co(1), one As(2), one As(4), and two equivalent As(5) atoms. In the second Rh site, Rh(2) is bonded in a 11-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(5), one Co(1), one As(1), one As(3), and two equivalent As(5) atoms. In the third Rh site, Rh(3) is bonded to two equivalent Mn(2), two equivalent Mn(4), two equivalent Mn(6), one Co(2), one Co(3), one As(2), one As(4), and two equivalent As(6) atoms to form distorted face-sharing RhMn6Co2As4 cuboctahedra. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(6), one Rh(1), one Rh(2), one As(2), one As(3), and two equivalent As(5) atoms. In the second Co site, Co(2) is bonded in a 4-coordinate geometry to two equivalent Mn(2), two equivalent Mn(4), two equivalent Mn(5), one Rh(3), one As(1), one As(4), and two equivalent As(6) atoms. In the third Co site, Co(3) is bonded in a 4-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), two equivalent Mn(5), one Rh(3), one As(1), one As(3), and two equivalent As(6) atoms. There are six inequivalent As sites. In the first As site, As(1) is bonded in a 9-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), two equivalent Mn(5), one Rh(2), one Co(2), and one Co(3) atom. In the second As site, As(2) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(4), two equivalent Mn(6), one Rh(1), one Rh(3), and one Co(1) atom. In the third As site, As(3) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(5), one Rh(2), one Co(1), and one Co(3) atom. In the fourth As site, As(4) is bonded in a 9-coordinate geometry to two equivalent Mn(2), two equivalent Mn(4), two equivalent Mn(6), one Rh(1), one Rh(3), and one Co(2) atom. In the fifth As site, As(5) is bonded in a 9-coordinate geometry to one Mn(1), one Mn(3), one Mn(6), two equivalent Rh(1), two equivalent Rh(2), and two equivalent Co(1) atoms. In the sixth As site, As(6) is bonded in a 9-coordinate geometry to one Mn(2), one Mn(4), one Mn(5), two equivalent Rh(3), two equivalent Co(2), and two equivalent Co(3) atoms.
Mn2RhCoAs2 crystallizes in the monoclinic Pm space group. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 11-coordinate geometry to two equivalent Rh(1), two equivalent Rh(2), two equivalent Co(1), one As(5), two equivalent As(2), and two equivalent As(3) atoms. Both Mn(1)-Rh(1) bond lengths are 2.94 Å. Both Mn(1)-Rh(2) bond lengths are 2.91 Å. Both Mn(1)-Co(1) bond lengths are 2.73 Å. The Mn(1)-As(5) bond length is 2.72 Å. Both Mn(1)-As(2) bond lengths are 2.63 Å. Both Mn(1)-As(3) bond lengths are 2.68 Å. In the second Mn site, Mn(2) is bonded in a 11-coordinate geometry to two equivalent Rh(3), two equivalent Co(2), two equivalent Co(3), one As(6), two equivalent As(1), and two equivalent As(4) atoms. Both Mn(2)-Rh(3) bond lengths are 2.90 Å. Both Mn(2)-Co(2) bond lengths are 2.77 Å. Both Mn(2)-Co(3) bond lengths are 2.90 Å. The Mn(2)-As(6) bond length is 2.61 Å. Both Mn(2)-As(1) bond lengths are 2.56 Å. Both Mn(2)-As(4) bond lengths are 2.63 Å. In the third Mn site, Mn(3) is bonded in a 11-coordinate geometry to two equivalent Rh(2), two equivalent Co(1), two equivalent Co(3), one As(5), two equivalent As(1), and two equivalent As(3) atoms. Both Mn(3)-Rh(2) bond lengths are 2.90 Å. Both Mn(3)-Co(1) bond lengths are 2.91 Å. Both Mn(3)-Co(3) bond lengths are 2.76 Å. The Mn(3)-As(5) bond length is 2.53 Å. Both Mn(3)-As(1) bond lengths are 2.68 Å. Both Mn(3)-As(3) bond lengths are 2.56 Å. In the fourth Mn site, Mn(4) is bonded in a 11-coordinate geometry to two equivalent Rh(1), two equivalent Rh(3), two equivalent Co(2), one As(6), two equivalent As(2), and two equivalent As(4) atoms. Both Mn(4)-Rh(1) bond lengths are 2.81 Å. Both Mn(4)-Rh(3) bond lengths are 2.86 Å. Both Mn(4)-Co(2) bond lengths are 2.90 Å. The Mn(4)-As(6) bond length is 2.59 Å. Both Mn(4)-As(2) bond lengths are 2.74 Å. Both Mn(4)-As(4) bond lengths are 2.60 Å. In the fifth Mn site, Mn(5) is bonded in a 11-coordinate geometry to two equivalent Rh(2), two equivalent Co(2), two equivalent Co(3), one As(6), two equivalent As(1), and two equivalent As(3) atoms. Both Mn(5)-Rh(2) bond lengths are 2.79 Å. Both Mn(5)-Co(2) bond lengths are 2.86 Å. Both Mn(5)-Co(3) bond lengths are 2.87 Å. The Mn(5)-As(6) bond length is 2.45 Å. Both Mn(5)-As(1) bond lengths are 2.66 Å. Both Mn(5)-As(3) bond lengths are 2.65 Å. In the sixth Mn site, Mn(6) is bonded in a 11-coordinate geometry to two equivalent Rh(1), two equivalent Rh(3), two equivalent Co(1), one As(5), two equivalent As(2), and two equivalent As(4) atoms. Both Mn(6)-Rh(1) bond lengths are 2.88 Å. Both Mn(6)-Rh(3) bond lengths are 2.83 Å. Both Mn(6)-Co(1) bond lengths are 2.91 Å. The Mn(6)-As(5) bond length is 2.54 Å. Both Mn(6)-As(2) bond lengths are 2.58 Å. Both Mn(6)-As(4) bond lengths are 2.72 Å. There are three inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 11-coordinate geometry to two equivalent Mn(1), two equivalent Mn(4), two equivalent Mn(6), one Co(1), one As(2), one As(4), and two equivalent As(5) atoms. The Rh(1)-Co(1) bond length is 2.85 Å. The Rh(1)-As(2) bond length is 2.42 Å. The Rh(1)-As(4) bond length is 2.43 Å. Both Rh(1)-As(5) bond lengths are 2.51 Å. In the second Rh site, Rh(2) is bonded in a 11-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(5), one Co(1), one As(1), one As(3), and two equivalent As(5) atoms. The Rh(2)-Co(1) bond length is 2.86 Å. The Rh(2)-As(1) bond length is 2.43 Å. The Rh(2)-As(3) bond length is 2.44 Å. Both Rh(2)-As(5) bond lengths are 2.51 Å. In the third Rh site, Rh(3) is bonded to two equivalent Mn(2), two equivalent Mn(4), two equivalent Mn(6), one Co(2), one Co(3), one As(2), one As(4), and two equivalent As(6) atoms to form distorted face-sharing RhMn6Co2As4 cuboctahedra. The Rh(3)-Co(2) bond length is 2.82 Å. The Rh(3)-Co(3) bond length is 2.83 Å. The Rh(3)-As(2) bond length is 2.43 Å. The Rh(3)-As(4) bond length is 2.42 Å. Both Rh(3)-As(6) bond lengths are 2.51 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(6), one Rh(1), one Rh(2), one As(2), one As(3), and two equivalent As(5) atoms. The Co(1)-As(2) bond length is 2.32 Å. The Co(1)-As(3) bond length is 2.32 Å. Both Co(1)-As(5) bond lengths are 2.36 Å. In the second Co site, Co(2) is bonded in a 4-coordinate geometry to two equivalent Mn(2), two equivalent Mn(4), two equivalent Mn(5), one Rh(3), one As(1), one As(4), and two equivalent As(6) atoms. The Co(2)-As(1) bond length is 2.33 Å. The Co(2)-As(4) bond length is 2.31 Å. Both Co(2)-As(6) bond lengths are 2.40 Å. In the third Co site, Co(3) is bonded in a 4-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), two equivalent Mn(5), one Rh(3), one As(1), one As(3), and two equivalent As(6) atoms. The Co(3)-As(1) bond length is 2.33 Å. The Co(3)-As(3) bond length is 2.33 Å. Both Co(3)-As(6) bond lengths are 2.39 Å. There are six inequivalent As sites. In the first As site, As(1) is bonded in a 9-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), two equivalent Mn(5), one Rh(2), one Co(2), and one Co(3) atom. In the second As site, As(2) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(4), two equivalent Mn(6), one Rh(1), one Rh(3), and one Co(1) atom. In the third As site, As(3) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Mn(5), one Rh(2), one Co(1), and one Co(3) atom. In the fourth As site, As(4) is bonded in a 9-coordinate geometry to two equivalent Mn(2), two equivalent Mn(4), two equivalent Mn(6), one Rh(1), one Rh(3), and one Co(2) atom. In the fifth As site, As(5) is bonded in a 9-coordinate geometry to one Mn(1), one Mn(3), one Mn(6), two equivalent Rh(1), two equivalent Rh(2), and two equivalent Co(1) atoms. In the sixth As site, As(6) is bonded in a 9-coordinate geometry to one Mn(2), one Mn(4), one Mn(5), two equivalent Rh(3), two equivalent Co(2), and two equivalent Co(3) atoms.