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Title: Materials Data on Na2Ca3Si3O10 by Materials Project

Abstract

Na2Ca3Si3O10 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Na1+ is bonded to five O2- atoms to form distorted NaO5 square pyramids that share corners with three equivalent CaO6 octahedra, corners with four SiO4 tetrahedra, edges with two CaO6 octahedra, an edgeedge with one NaO5 square pyramid, and an edgeedge with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–77°. There are a spread of Na–O bond distances ranging from 2.35–2.59 Å. There are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted CaO6 octahedra that share corners with four CaO6 octahedra, corners with three equivalent NaO5 square pyramids, corners with five SiO4 tetrahedra, an edgeedge with one CaO6 octahedra, an edgeedge with one NaO5 square pyramid, and an edgeedge with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–69°. There are a spread of Ca–O bond distances ranging from 2.32–2.64 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with four equivalent CaO6 octahedra, corners with two equivalent SiO4 tetrahedra, edges with two equivalent CaO6 octahedra, edges with two equivalent NaO5more » square pyramids, and edges with two equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 67–69°. There are a spread of Ca–O bond distances ranging from 2.33–2.45 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent CaO6 octahedra, corners with six equivalent NaO5 square pyramids, and corners with two equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–61°. There is two shorter (1.62 Å) and two longer (1.70 Å) Si–O bond length. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four CaO6 octahedra, a cornercorner with one NaO5 square pyramid, a cornercorner with one SiO4 tetrahedra, edges with two CaO6 octahedra, and an edgeedge with one NaO5 square pyramid. The corner-sharing octahedra tilt angles range from 52–57°. There are a spread of Si–O bond distances ranging from 1.62–1.71 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, two Ca2+, and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, two Ca2+, and one Si4+ atom. In the third O2- site, O2- is bonded to two equivalent Na1+, one Ca2+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing ONa2CaSi tetrahedra. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, one Ca2+, and two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Si4+ atom.« less

Publication Date:
Other Number(s):
mp-556679
DOE Contract Number:  
AC02-05CH11231; EDCBEE
Product Type:
Dataset
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). LBNL Materials Project
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Subject:
36 MATERIALS SCIENCE
Keywords:
crystal structure; Na2Ca3Si3O10; Ca-Na-O-Si
OSTI Identifier:
1269480
DOI:
10.17188/1269480

Citation Formats

The Materials Project. Materials Data on Na2Ca3Si3O10 by Materials Project. United States: N. p., 2020. Web. doi:10.17188/1269480.
The Materials Project. Materials Data on Na2Ca3Si3O10 by Materials Project. United States. doi:10.17188/1269480.
The Materials Project. 2020. "Materials Data on Na2Ca3Si3O10 by Materials Project". United States. doi:10.17188/1269480. https://www.osti.gov/servlets/purl/1269480. Pub date:Wed Jul 22 00:00:00 EDT 2020
@article{osti_1269480,
title = {Materials Data on Na2Ca3Si3O10 by Materials Project},
author = {The Materials Project},
abstractNote = {Na2Ca3Si3O10 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Na1+ is bonded to five O2- atoms to form distorted NaO5 square pyramids that share corners with three equivalent CaO6 octahedra, corners with four SiO4 tetrahedra, edges with two CaO6 octahedra, an edgeedge with one NaO5 square pyramid, and an edgeedge with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–77°. There are a spread of Na–O bond distances ranging from 2.35–2.59 Å. There are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted CaO6 octahedra that share corners with four CaO6 octahedra, corners with three equivalent NaO5 square pyramids, corners with five SiO4 tetrahedra, an edgeedge with one CaO6 octahedra, an edgeedge with one NaO5 square pyramid, and an edgeedge with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–69°. There are a spread of Ca–O bond distances ranging from 2.32–2.64 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with four equivalent CaO6 octahedra, corners with two equivalent SiO4 tetrahedra, edges with two equivalent CaO6 octahedra, edges with two equivalent NaO5 square pyramids, and edges with two equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 67–69°. There are a spread of Ca–O bond distances ranging from 2.33–2.45 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four equivalent CaO6 octahedra, corners with six equivalent NaO5 square pyramids, and corners with two equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–61°. There is two shorter (1.62 Å) and two longer (1.70 Å) Si–O bond length. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four CaO6 octahedra, a cornercorner with one NaO5 square pyramid, a cornercorner with one SiO4 tetrahedra, edges with two CaO6 octahedra, and an edgeedge with one NaO5 square pyramid. The corner-sharing octahedra tilt angles range from 52–57°. There are a spread of Si–O bond distances ranging from 1.62–1.71 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, two Ca2+, and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, two Ca2+, and one Si4+ atom. In the third O2- site, O2- is bonded to two equivalent Na1+, one Ca2+, and one Si4+ atom to form a mixture of distorted edge and corner-sharing ONa2CaSi tetrahedra. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, one Ca2+, and two Si4+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Si4+ atom.},
doi = {10.17188/1269480},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {7}
}

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