DOI: 10.17188/1709547
title: Materials Data on Sc3(Ga4Fe5)4 by Materials Project

description: Sc3(Fe5Ga4)4 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are three inequivalent Sc sites. In the first Sc site, Sc is bonded in a 6-coordinate geometry to fourteen Fe and six Ga atoms. There are a spread of Sc–Fe bond distances ranging from 3.16–3.33 Å. There are a spread of Sc–Ga bond distances ranging from 2.77–2.97 Å. In the second Sc site, Sc is bonded to ten Fe and eight Ga atoms to form distorted ScGa8Fe10 hexagonal bipyramids that share a cornercorner with one FeSc2Ga5Fe5 cuboctahedra, corners with four equivalent ScGa8Fe10 hexagonal bipyramids, edges with two equivalent FeScGa6Fe4 cuboctahedra, faces with twenty-two FeScGa6Fe4 cuboctahedra, and faces with two equivalent ScGa8Fe10 hexagonal bipyramids. There are a spread of Sc–Fe bond distances ranging from 3.20–3.30 Å. There are a spread of Sc–Ga bond distances ranging from 2.76–2.94 Å. In the third Sc site, Sc is bonded in a 6-coordinate geometry to fourteen Fe and six Ga atoms. There are a spread of Sc–Fe bond distances ranging from 3.16–3.31 Å. There are a spread of Sc–Ga bond distances ranging from 2.80–2.99 Å. There are fourteen inequivalent Fe sites. In the first Fe site, Fe is bonded to one Sc, four Fe, and six Ga atoms to form distorted FeScGa6Fe4 cuboctahedra that share corners with fifteen FeScGa6Fe4 cuboctahedra, edges with seven FeSc2Ga6Fe4 cuboctahedra, an edgeedge with one ScGa8Fe10 hexagonal bipyramid, faces with seven FeScGa6Fe4 cuboctahedra, and a faceface with one ScGa8Fe10 hexagonal bipyramid. There are a spread of Fe–Fe bond distances ranging from 2.49–2.51 Å. There are a spread of Fe–Ga bond distances ranging from 2.54–2.57 Å. In the second Fe site, Fe is bonded to two Sc, five Fe, and five Ga atoms to form distorted FeSc2Ga5Fe5 cuboctahedra that share corners with thirteen FeSc2Ga5Fe5 cuboctahedra, edges with six FeSc2Ga6Fe4 cuboctahedra, faces with twelve FeSc2Ga5Fe5 cuboctahedra, and faces with two equivalent ScGa8Fe10 hexagonal bipyramids. There are a spread of Fe–Fe bond distances ranging from 2.42–2.52 Å. There are a spread of Fe–Ga bond distances ranging from 2.54–2.60 Å. In the third Fe site, Fe is bonded to two Sc, five Fe, and five Ga atoms to form distorted FeSc2Ga5Fe5 cuboctahedra that share corners with sixteen FeScGa6Fe4 cuboctahedra, edges with seven FeSc2Ga5Fe5 cuboctahedra, and faces with twelve FeSc2Ga5Fe5 cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.43–2.53 Å. There are a spread of Fe–Ga bond distances ranging from 2.53–2.59 Å. In the fourth Fe site, Fe is bonded to two equivalent Sc, five Fe, and five Ga atoms to form a mixture of distorted corner, edge, and face-sharing FeSc2Ga5Fe5 cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.44–2.53 Å. There are a spread of Fe–Ga bond distances ranging from 2.54–2.58 Å. In the fifth Fe site, Fe is bonded to two equivalent Sc, four Fe, and six Ga atoms to form distorted FeSc2Ga6Fe4 cuboctahedra that share corners with seventeen FeScGa6Fe4 cuboctahedra, edges with six FeScGa6Fe4 cuboctahedra, faces with eight FeSc2Ga5Fe5 cuboctahedra, and faces with four equivalent ScGa8Fe10 hexagonal bipyramids. There are a spread of Fe–Fe bond distances ranging from 2.47–2.52 Å. There are a spread of Fe–Ga bond distances ranging from 2.53–2.61 Å. In the sixth Fe site, Fe is bonded to two equivalent Sc, five Fe, and five Ga atoms to form a mixture of distorted corner, edge, and face-sharing FeSc2Ga5Fe5 cuboctahedra. There are a spread of Fe–Fe bond distances ranging from 2.43–2.54 Å. There are a spread of Fe–Ga bond distances ranging from 2.53–2.59 Å. In the seventh Fe site, Fe is bonded to two equivalent Sc, six Fe, and four Ga atoms to form distorted FeSc2Ga4Fe6 cuboctahedra that share corners with twelve FeSc2Ga5Fe5 cuboctahedra, edges with six FeSc2Ga5Fe5 cuboctahedra, faces with fourteen FeSc2Ga5Fe5 cuboctahedra, and a faceface with one ScGa8Fe10 hexagonal bipyramid. There are one shorter (2.79 Å) and one longer (2.80 Å) Fe–Fe bond lengths. There are a spread of Fe–Ga bond distances ranging from 2.64–2.67 Å. In the eighth Fe site, Fe is bonded to two equivalent Sc, six Fe, and four Ga atoms to form distorted FeSc2Ga4Fe6 cuboctahedra that share corners with twelve FeScGa6Fe4 cuboctahedra, edges with six FeSc2Ga4Fe6 cuboctahedra, and faces with fourteen FeSc2Ga5Fe5 cuboctahedra. There are one shorter (2.77 Å) and one longer (2.83 Å) Fe–Fe bond lengths. There are a spread of Fe–Ga bond distances ranging from 2.64–2.67 Å. In the ninth Fe site, Fe is bonded to two equivalent Sc, four Fe, and six Ga atoms to form distorted FeSc2Ga6Fe4 cuboctahedra that share corners with fourteen FeScGa6Fe4 cuboctahedra, edges with nine FeScGa6Fe4 cuboctahedra, faces with seven FeScGa6Fe4 cuboctahedra, and faces with three equivalent ScGa8Fe10 hexagonal bipyramids. There are a spread of Fe–Ga bond distances ranging from 2.54–2.59 Å. In the tenth Fe site, Fe is bonded to two equivalent Sc, five Fe, and five Ga atoms to form distorted FeSc2Ga5Fe5 cuboctahedra that share corners with sixteen FeSc2Ga5Fe5 cuboctahedra, edges with seven FeSc2Ga5Fe5 cuboctahedra, faces with twelve FeSc2Ga5Fe5 cuboctahedra, and a faceface with one ScGa8Fe10 hexagonal bipyramid. There are a spread of Fe–Ga bond distances ranging from 2.51–2.63 Å. In the eleventh Fe site, Fe is bonded to two equivalent Sc, five Fe, and five Ga atoms to form distorted FeSc2Ga5Fe5 cuboctahedra that share corners with sixteen FeScGa6Fe4 cuboctahedra, edges with seven FeScGa6Fe4 cuboctahedra, and faces with twelve FeSc2Ga5Fe5 cuboctahedra. There are a spread of Fe–Ga bond distances ranging from 2.51–2.64 Å. In the twelfth Fe site, Fe is bonded to two equivalent Sc, five Fe, and five Ga atoms to form distorted FeSc2Ga5Fe5 cuboctahedra that share corners with sixteen FeScGa6Fe4 cuboctahedra, a cornercorner with one ScGa8Fe10 hexagonal bipyramid, edges with seven FeSc2Ga5Fe5 cuboctahedra, and faces with ten FeScGa6Fe4 cuboctahedra. There are a spread of Fe–Ga bond distances ranging from 2.52–2.60 Å. In the thirteenth Fe site, Fe is bonded to two equivalent Sc, four Fe, and six Ga atoms to form distorted FeSc2Ga6Fe4 cuboctahedra that share corners with fourteen FeScGa6Fe4 cuboctahedra, edges with five FeSc2Ga6Fe4 cuboctahedra, faces with eleven FeSc2Ga5Fe5 cuboctahedra, and faces with three equivalent ScGa8Fe10 hexagonal bipyramids. There are a spread of Fe–Ga bond distances ranging from 2.53–2.62 Å. In the fourteenth Fe site, Fe is bonded to two equivalent Sc, five Fe, and five Ga atoms to form a mixture of distorted corner, edge, and face-sharing FeSc2Ga5Fe5 cuboctahedra. There are a spread of Fe–Ga bond distances ranging from 2.51–2.63 Å. There are sixteen inequivalent Ga sites. In the first Ga site, Ga is bonded in a 10-coordinate geometry to one Sc, six Fe, and three Ga atoms. There are one shorter (2.73 Å) and two longer (2.88 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 10-coordinate geometry to one Sc, eight Fe, and one Ga atom. The Ga–Ga bond length is 2.73 Å. In the third Ga site, Ga is bonded in a 10-coordinate geometry to one Sc, eight Fe, and one Ga atom. The Ga–Ga bond length is 2.73 Å. In the fourth Ga site, Ga is bonded in a 10-coordinate geometry to one Sc, six Fe, and three Ga atoms. Both Ga–Ga bond lengths are 2.89 Å. In the fifth Ga site, Ga is bonded in a 10-coordinate geometry to one Sc, six Fe, and three Ga atoms. Both Ga–Ga bond lengths are 2.89 Å. In the sixth Ga site, Ga is bonded in a 10-coordinate geometry to one Sc, six Fe, and three Ga atoms. Both Ga–Ga bond lengths are 2.90 Å. In the seventh Ga site, Ga is bonded in a 1-coordinate geometry to one Sc, six Fe, and one Ga atom. The Ga–Ga bond length is 3.02 Å. In the eighth Ga site, Ga is bonded in a 1-coordinate geometry to one Sc, seven Fe, and one Ga atom. The Ga–Ga bond length is 2.81 Å. In the ninth Ga site, Ga is bonded in a 9-coordinate geometry to one Sc, seven Fe, and one Ga atom. The Ga–Ga bond length is 2.80 Å. In the tenth Ga site, Ga is bonded in a 1-coordinate geometry to one Sc, six Fe, and one Ga atom. In the eleventh Ga site, Ga is bonded in a 9-coordinate geometry to one Sc, seven Fe, and one Ga atom. In the twelfth Ga site, Ga is bonded in a 9-coordinate geometry to one Sc, seven Fe, and one Ga atom. In the thirteenth Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Sc, six Fe, and two equivalent Ga atoms. In the fourteenth Ga site, Ga is bonded in a 8-coordinate geometry to two equivalent Sc, six Fe, and two equivalent Ga atoms. In the fifteenth Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Sc, six Fe, and two equivalent Ga atoms. In the sixteenth Ga site, Ga is bonded in a 8-coordinate geometry to two equivalent Sc, six Fe, and two equivalent Ga atoms.