CoMnSb crystallizes in the cubic F-43m space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 11-coordinate geometry to one Co(1), one Co(2), three equivalent Co(3), three equivalent Sb(1), and three equivalent Sb(2) atoms. In the second Mn site, Mn(2) is bonded in a 9-coordinate geometry to three equivalent Co(3), three equivalent Sb(1), and three equivalent Sb(2) atoms. There are three inequivalent Co sites. In the first Co site, Co(2) is bonded in a body-centered cubic geometry to four equivalent Mn(1) and four equivalent Sb(2) atoms. In the second Co site, Co(1) is bonded in a distorted body-centered cubic geometry to four equivalent Mn(1) and four equivalent Sb(1) atoms. In the third Co site, Co(3) is bonded in a distorted body-centered cubic geometry to two equivalent Mn(1), two equivalent Mn(2), two equivalent Sb(1), and two equivalent Sb(2) atoms. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 10-coordinate geometry to three equivalent Mn(1), three equivalent Mn(2), one Co(1), and three equivalent Co(3) atoms. In the second Sb site, Sb(2) is bonded in a 10-coordinate geometry to three equivalent Mn(1), three equivalent Mn(2), one Co(2), and three equivalent Co(3) atoms.
CoMnSb crystallizes in the cubic F-43m space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 11-coordinate geometry to one Co(1), one Co(2), three equivalent Co(3), three equivalent Sb(1), and three equivalent Sb(2) atoms. The Mn(1)-Co(1) bond length is 2.57 Å. The Mn(1)-Co(2) bond length is 2.47 Å. All Mn(1)-Co(3) bond lengths are 2.49 Å. All Mn(1)-Sb(1) bond lengths are 3.04 Å. All Mn(1)-Sb(2) bond lengths are 2.90 Å. In the second Mn site, Mn(2) is bonded in a 9-coordinate geometry to three equivalent Co(3), three equivalent Sb(1), and three equivalent Sb(2) atoms. All Mn(2)-Co(3) bond lengths are 2.57 Å. All Mn(2)-Sb(1) bond lengths are 2.81 Å. All Mn(2)-Sb(2) bond lengths are 2.89 Å. There are three inequivalent Co sites. In the first Co site, Co(2) is bonded in a body-centered cubic geometry to four equivalent Mn(1) and four equivalent Sb(2) atoms. All Co(2)-Sb(2) bond lengths are 2.55 Å. In the second Co site, Co(1) is bonded in a distorted body-centered cubic geometry to four equivalent Mn(1) and four equivalent Sb(1) atoms. All Co(1)-Sb(1) bond lengths are 2.70 Å. In the third Co site, Co(3) is bonded in a distorted body-centered cubic geometry to two equivalent Mn(1), two equivalent Mn(2), two equivalent Sb(1), and two equivalent Sb(2) atoms. Both Co(3)-Sb(1) bond lengths are 2.54 Å. Both Co(3)-Sb(2) bond lengths are 2.56 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 10-coordinate geometry to three equivalent Mn(1), three equivalent Mn(2), one Co(1), and three equivalent Co(3) atoms. In the second Sb site, Sb(2) is bonded in a 10-coordinate geometry to three equivalent Mn(1), three equivalent Mn(2), one Co(2), and three equivalent Co(3) atoms.