DOI: 10.17188/1749206
title: Materials Data on Ho2Ga4Fe13C2 by Materials Project

description: Ho2Fe13Ga4C2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a distorted bent 120 degrees geometry to seven Fe, two equivalent Ga, and two C atoms. There are a spread of Ho–Fe bond distances ranging from 3.12–3.36 Å. There are one shorter (3.12 Å) and one longer (3.50 Å) Ho–Ga bond lengths. There are one shorter (2.46 Å) and one longer (2.49 Å) Ho–C bond lengths. In the second Ho site, Ho is bonded in a distorted bent 120 degrees geometry to eight Fe, one Ga, and two C atoms. There are a spread of Ho–Fe bond distances ranging from 3.09–3.51 Å. The Ho–Ga bond length is 3.17 Å. There are one shorter (2.48 Å) and one longer (2.53 Å) Ho–C bond lengths. There are thirteen inequivalent Fe sites. In the first Fe site, Fe is bonded in a single-bond geometry to five Fe, one Ga, and one C atom. There are a spread of Fe–Fe bond distances ranging from 2.49–2.78 Å. The Fe–Ga bond length is 2.61 Å. The Fe–C bond length is 1.84 Å. In the second Fe site, Fe is bonded in a single-bond geometry to six Fe and one C atom. There are a spread of Fe–Fe bond distances ranging from 2.46–2.78 Å. The Fe–C bond length is 1.86 Å. In the third Fe site, Fe is bonded to two Ho, eight Fe, and two Ga atoms to form distorted FeHo2Ga2Fe8 cuboctahedra that share a cornercorner with one GaHo3GaFe8 cuboctahedra, corners with seven FeHo2Ga3Fe7 cuboctahedra, corners with four CHo2GaFe3 octahedra, edges with three FeHo2Ga3Fe7 cuboctahedra, edges with two CHo2GaFe3 octahedra, faces with two equivalent GaHo3GaFe8 cuboctahedra, and faces with seven FeHo2Ga3Fe7 cuboctahedra. The corner-sharing octahedra tilt angles range from 23–31°. There are a spread of Fe–Fe bond distances ranging from 2.44–2.73 Å. There are one shorter (2.53 Å) and one longer (2.61 Å) Fe–Ga bond lengths. In the fourth Fe site, Fe is bonded in a single-bond geometry to five Fe, one Ga, and one C atom. There are a spread of Fe–Fe bond distances ranging from 2.46–2.77 Å. The Fe–Ga bond length is 2.70 Å. The Fe–C bond length is 1.85 Å. In the fifth Fe site, Fe is bonded to two Ho, seven Fe, and three Ga atoms to form distorted FeHo2Ga3Fe7 cuboctahedra that share a cornercorner with one GaHo3GaFe8 cuboctahedra, corners with seven FeHo2Ga2Fe8 cuboctahedra, corners with four CHo2GaFe3 octahedra, edges with three FeHo2Ga2Fe8 cuboctahedra, edges with two CHo2GaFe3 octahedra, faces with two equivalent GaHo3GaFe8 cuboctahedra, and faces with seven FeHo2Ga2Fe8 cuboctahedra. The corner-sharing octahedra tilt angles range from 23–29°. There are a spread of Fe–Fe bond distances ranging from 2.46–2.75 Å. There are two shorter (2.52 Å) and one longer (2.67 Å) Fe–Ga bond lengths. In the sixth Fe site, Fe is bonded in a single-bond geometry to six Fe and one C atom. There are a spread of Fe–Fe bond distances ranging from 2.47–2.79 Å. The Fe–C bond length is 1.83 Å. In the seventh Fe site, Fe is bonded in a 1-coordinate geometry to one Ho, ten Fe, and three Ga atoms. There are a spread of Fe–Fe bond distances ranging from 2.37–2.72 Å. There are a spread of Fe–Ga bond distances ranging from 2.64–2.68 Å. In the eighth Fe site, Fe is bonded in a 3-coordinate geometry to one Ho, twelve Fe, and one Ga atom. There are a spread of Fe–Fe bond distances ranging from 2.57–2.70 Å. The Fe–Ga bond length is 2.57 Å. In the ninth Fe site, Fe is bonded to two Ho, seven Fe, and three Ga atoms to form distorted FeHo2Ga3Fe7 cuboctahedra that share a cornercorner with one GaHo3GaFe8 cuboctahedra, corners with seven FeHo2Ga2Fe8 cuboctahedra, corners with two equivalent CHo2GaFe3 octahedra, an edgeedge with one GaHo3GaFe8 cuboctahedra, edges with three FeHo2Ga2Fe8 cuboctahedra, a faceface with one GaHo3GaFe8 cuboctahedra, faces with seven FeHo2Ga2Fe8 cuboctahedra, and faces with two equivalent CHo2Ga2Fe2 octahedra. The corner-sharing octahedra tilt angles range from 40–44°. The Fe–Fe bond length is 2.41 Å. There are one shorter (2.47 Å) and two longer (2.50 Å) Fe–Ga bond lengths. In the tenth Fe site, Fe is bonded to two Ho, eight Fe, and two Ga atoms to form distorted FeHo2Ga2Fe8 cuboctahedra that share a cornercorner with one GaHo3GaFe8 cuboctahedra, corners with seven FeHo2Ga2Fe8 cuboctahedra, corners with two equivalent CHo2Ga2Fe2 octahedra, an edgeedge with one GaHo3GaFe8 cuboctahedra, edges with three FeHo2Ga2Fe8 cuboctahedra, a faceface with one GaHo3GaFe8 cuboctahedra, faces with seven FeHo2Ga2Fe8 cuboctahedra, and faces with two equivalent CHo2GaFe3 octahedra. The corner-sharing octahedra tilt angles range from 42–43°. Both Fe–Fe bond lengths are 2.42 Å. There are one shorter (2.45 Å) and one longer (2.47 Å) Fe–Ga bond lengths. In the eleventh Fe site, Fe is bonded to two Ho, seven Fe, and three Ga atoms to form distorted FeHo2Ga3Fe7 cuboctahedra that share corners with three equivalent GaHo3GaFe8 cuboctahedra, corners with eleven FeHo2Ga2Fe8 cuboctahedra, an edgeedge with one FeHo3Ga2Fe7 cuboctahedra, an edgeedge with one GaHo3GaFe8 cuboctahedra, a faceface with one GaHo3GaFe8 cuboctahedra, faces with nine FeHo2Ga2Fe8 cuboctahedra, and faces with four CHo2GaFe3 octahedra. The Fe–Fe bond length is 2.42 Å. There are a spread of Fe–Ga bond distances ranging from 2.47–2.52 Å. In the twelfth Fe site, Fe is bonded to three Ho, seven Fe, and two Ga atoms to form distorted FeHo3Ga2Fe7 cuboctahedra that share corners with two equivalent GaHo3GaFe8 cuboctahedra, corners with nine FeHo2Ga2Fe8 cuboctahedra, corners with four CHo2GaFe3 octahedra, an edgeedge with one GaHo3GaFe8 cuboctahedra, edges with three FeHo2Ga3Fe7 cuboctahedra, a faceface with one GaHo3GaFe8 cuboctahedra, faces with seven FeHo2Ga2Fe8 cuboctahedra, and faces with two CHo2GaFe3 octahedra. The corner-sharing octahedra tilt angles range from 65–69°. There are one shorter (2.54 Å) and one longer (2.56 Å) Fe–Ga bond lengths. In the thirteenth Fe site, Fe is bonded in a single-bond geometry to four Fe, one Ga, and one C atom. The Fe–Ga bond length is 2.54 Å. The Fe–C bond length is 1.86 Å. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a single-bond geometry to four Fe, one Ga, and one C atom. The Ga–Ga bond length is 2.64 Å. The Ga–C bond length is 2.08 Å. In the second Ga site, Ga is bonded to three Ho, eight Fe, and one Ga atom to form distorted GaHo3GaFe8 cuboctahedra that share corners with two equivalent GaHo3GaFe8 cuboctahedra, corners with nine FeHo2Ga2Fe8 cuboctahedra, corners with four CHo2GaFe3 octahedra, edges with four FeHo2Ga3Fe7 cuboctahedra, faces with eight FeHo2Ga2Fe8 cuboctahedra, and faces with two CHo2GaFe3 octahedra. The corner-sharing octahedra tilt angles range from 63–67°. In the third Ga site, Ga is bonded in a single-bond geometry to five Fe and one C atom. The Ga–C bond length is 2.16 Å. In the fourth Ga site, Ga is bonded in a single-bond geometry to five Fe and one C atom. The Ga–C bond length is 2.11 Å. There are two inequivalent C sites. In the first C site, C is bonded to two Ho, three Fe, and one Ga atom to form CHo2GaFe3 octahedra that share corners with two equivalent GaHo3GaFe8 cuboctahedra, corners with eight FeHo2Ga2Fe8 cuboctahedra, corners with two equivalent CHo2Ga2Fe2 octahedra, edges with two FeHo2Ga2Fe8 cuboctahedra, a faceface with one GaHo3GaFe8 cuboctahedra, and faces with five FeHo2Ga3Fe7 cuboctahedra. The corner-sharing octahedral tilt angles are 61°. In the second C site, C is bonded to two Ho, two Fe, and two Ga atoms to form CHo2Ga2Fe2 octahedra that share corners with two equivalent GaHo3GaFe8 cuboctahedra, corners with eight FeHo2Ga2Fe8 cuboctahedra, corners with two equivalent CHo2GaFe3 octahedra, edges with two FeHo2Ga2Fe8 cuboctahedra, a faceface with one GaHo3GaFe8 cuboctahedra, and faces with five FeHo2Ga3Fe7 cuboctahedra. The corner-sharing octahedral tilt angles are 61°.