Materials Data on Ca(DyTe2)2 by Materials Project
Ca(DyTe2)2 crystallizes in the monoclinic P2/m space group. The structure is three-dimensional. Ca2+ is bonded to six Te2- atoms to form CaTe6 octahedra that share corners with six equivalent DyTe6 octahedra, edges with two equivalent CaTe6 octahedra, and edges with six DyTe6 octahedra. The corner-sharing octahedra tilt angles range from 2–3°. There are two shorter (3.14 Å) and four longer (3.20 Å) Ca–Te bond lengths. There are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded to six Te2- atoms to form DyTe6 octahedra that share corners with six equivalent CaTe6 octahedra, edges with two equivalent CaTe6 octahedra, and edges with six DyTe6 octahedra. The corner-sharing octahedra tilt angles range from 2–3°. There are two shorter (3.04 Å) and four longer (3.10 Å) Dy–Te bond lengths. In the second Dy3+ site, Dy3+ is bonded to six Te2- atoms to form DyTe6 octahedra that share edges with four equivalent CaTe6 octahedra and edges with six DyTe6 octahedra. There are four shorter (3.10 Å) and two longer (3.12 Å) Dy–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to two equivalent Ca2+ and three Dy3+ atoms to form a mixture of edge and corner-sharing TeCa2Dy3 square pyramids. In the second Te2- site, Te2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Dy3+ atoms.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- MIT; UC Berkeley; Duke; U Louvain
- DOE Contract Number:
- AC02-05CH11231; EDCBEE
- OSTI ID:
- 1730413
- Report Number(s):
- mp-1227401
- Resource Relation:
- Related Information: https://materialsproject.org/citing
- Country of Publication:
- United States
- Language:
- English
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