Materials Data on Ho2CdS4 by Materials Project
CdHo2S4 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. there are two inequivalent Ho3+ sites. In the first Ho3+ site, Ho3+ is bonded to six S2- atoms to form HoS6 octahedra that share corners with four equivalent HoS6 octahedra, edges with four equivalent HoS6 octahedra, and edges with four equivalent CdS6 octahedra. The corner-sharing octahedral tilt angles are 3°. There are two shorter (2.71 Å) and four longer (2.75 Å) Ho–S bond lengths. In the second Ho3+ site, Ho3+ is bonded to six S2- atoms to form HoS6 octahedra that share corners with two equivalent CdS6 octahedra, corners with four equivalent HoS6 octahedra, edges with four equivalent HoS6 octahedra, and edges with four equivalent CdS6 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are two shorter (2.68 Å) and four longer (2.75 Å) Ho–S bond lengths. Cd2+ is bonded to six S2- atoms to form CdS6 octahedra that share corners with two equivalent HoS6 octahedra, corners with four equivalent CdS6 octahedra, and edges with eight HoS6 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are four shorter (2.75 Å) and two longer (2.82 Å) Cd–S bond lengths. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a square co-planar geometry to three Ho3+ and one Cd2+ atom. In the second S2- site, S2- is bonded to three Ho3+ and two equivalent Cd2+ atoms to form a mixture of edge and corner-sharing SHo3Cd2 square pyramids.
- Research Organization:
- LBNL Materials Project; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Contributing Organization:
- The Materials Project; MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 1206880
- Report Number(s):
- mp-34735
- Country of Publication:
- United States
- Language:
- English
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