CrMn(Ni2Sn)2 is Tungsten-derived structured and crystallizes in the trigonal R-3m space group. Cr(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(2), six equivalent Ni(1), and six equivalent Sn(1) atoms. Mn(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(1); six Ni(2,2); and six equivalent Sn(1) atoms. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. In the second Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the third Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the fourth Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. In the fifth Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. Sn(1) is bonded in a 14-coordinate geometry to three equivalent Cr(1); three equivalent Mn(1); four Ni(1,1); and four Ni(2,2) atoms.
CrMn(Ni2Sn)2 is Tungsten-derived structured and crystallizes in the trigonal R-3m space group. Cr(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(2), six equivalent Ni(1), and six equivalent Sn(1) atoms. Both Cr(1)-Ni(2) bond lengths are 2.64 Å. All Cr(1)-Ni(1) bond lengths are 2.63 Å. All Cr(1)-Sn(1) bond lengths are 3.03 Å. Mn(1) is bonded in a distorted body-centered cubic geometry to two equivalent Ni(1); six Ni(2,2); and six equivalent Sn(1) atoms. Both Mn(1)-Ni(1) bond lengths are 2.62 Å. All Mn(1)-Ni(2,2) bond lengths are 2.63 Å. All Mn(1)-Sn(1) bond lengths are 3.04 Å. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. There are three shorter (2.62 Å) and one longer (2.63 Å) Ni(1)-Sn(1) bond length. In the second Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. There is one shorter (2.63 Å) and three longer (2.64 Å) Ni(2)-Sn(1) bond lengths. In the third Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. The Ni(2)-Cr(1) bond length is 2.64 Å. There is one shorter (2.63 Å) and three longer (2.64 Å) Ni(2)-Sn(1) bond lengths. In the fourth Ni site, Ni(2) is bonded in a distorted body-centered cubic geometry to one Cr(1), three equivalent Mn(1), and four equivalent Sn(1) atoms. The Ni(2)-Cr(1) bond length is 2.64 Å. All Ni(2)-Mn(1) bond lengths are 2.63 Å. There is one shorter (2.63 Å) and three longer (2.64 Å) Ni(2)-Sn(1) bond lengths. In the fifth Ni site, Ni(1) is bonded in a distorted body-centered cubic geometry to three equivalent Cr(1), one Mn(1), and four equivalent Sn(1) atoms. All Ni(1)-Cr(1) bond lengths are 2.63 Å. The Ni(1)-Mn(1) bond length is 2.62 Å. There are three shorter (2.62 Å) and one longer (2.63 Å) Ni(1)-Sn(1) bond length. Sn(1) is bonded in a 14-coordinate geometry to three equivalent Cr(1); three equivalent Mn(1); four Ni(1,1); and four Ni(2,2) atoms.