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Title: Materials Data on Nd3Co29(Si2B5)2 by Materials Project

Abstract

CoNd3Co28(B5Si2)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional and consists of two cobalt molecules and one Nd3Co28(B5Si2)2 framework. In the Nd3Co28(B5Si2)2 framework, there are two inequivalent Nd3+ sites. In the first Nd3+ site, Nd3+ is bonded in a 4-coordinate geometry to four equivalent Si4- atoms. All Nd–Si bond lengths are 3.21 Å. In the second Nd3+ site, Nd3+ is bonded in a 8-coordinate geometry to four equivalent Si4- atoms. All Nd–Si bond lengths are 3.26 Å. There are six inequivalent Co+1.28+ sites. In the first Co+1.28+ site, Co+1.28+ is bonded in a distorted rectangular see-saw-like geometry to three B3- and one Si4- atom. There are two shorter (2.05 Å) and one longer (2.12 Å) Co–B bond lengths. The Co–Si bond length is 2.34 Å. In the second Co+1.28+ site, Co+1.28+ is bonded in a distorted T-shaped geometry to three B3- and one Si4- atom. There are one shorter (2.10 Å) and two longer (2.13 Å) Co–B bond lengths. The Co–Si bond length is 2.57 Å. In the third Co+1.28+ site, Co+1.28+ is bonded in a distorted single-bond geometry to one B3- and three equivalent Si4- atoms. The Co–B bond length is 1.91 Å. There are onemore » shorter (2.39 Å) and two longer (2.43 Å) Co–Si bond lengths. In the fourth Co+1.28+ site, Co+1.28+ is bonded in a distorted rectangular see-saw-like geometry to three B3- and one Si4- atom. There are a spread of Co–B bond distances ranging from 2.06–2.12 Å. The Co–Si bond length is 2.36 Å. In the fifth Co+1.28+ site, Co+1.28+ is bonded in a distorted bent 150 degrees geometry to two B3- and two equivalent Si4- atoms. There are one shorter (2.13 Å) and one longer (2.14 Å) Co–B bond lengths. Both Co–Si bond lengths are 2.69 Å. In the sixth Co+1.28+ site, Co+1.28+ is bonded in a square co-planar geometry to four B3- atoms. There are a spread of Co–B bond distances ranging from 2.07–2.11 Å. There are four inequivalent B3- sites. In the first B3- site, B3- is bonded in a 9-coordinate geometry to eight Co+1.28+ and one B3- atom. The B–B bond length is 2.04 Å. In the second B3- site, B3- is bonded in a 7-coordinate geometry to seven Co+1.28+ atoms. In the third B3- site, B3- is bonded in a 9-coordinate geometry to eight Co+1.28+ and one B3- atom. The B–B bond length is 2.00 Å. In the fourth B3- site, B3- is bonded in a 9-coordinate geometry to eight Co+1.28+ and one B3- atom. Si4- is bonded to three Nd3+ and nine Co+1.28+ atoms to form a mixture of distorted edge, corner, and face-sharing SiNd3Co9 cuboctahedra.« less

Publication Date:
Other Number(s):
mp-16085
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; Nd3Co29(Si2B5)2; B-Co-Nd-Si
OSTI Identifier:
1191554
DOI:
10.17188/1191554

Citation Formats

The Materials Project. Materials Data on Nd3Co29(Si2B5)2 by Materials Project. United States: N. p., 2017. Web. doi:10.17188/1191554.
The Materials Project. Materials Data on Nd3Co29(Si2B5)2 by Materials Project. United States. doi:10.17188/1191554.
The Materials Project. 2017. "Materials Data on Nd3Co29(Si2B5)2 by Materials Project". United States. doi:10.17188/1191554. https://www.osti.gov/servlets/purl/1191554. Pub date:Tue May 09 00:00:00 EDT 2017
@article{osti_1191554,
title = {Materials Data on Nd3Co29(Si2B5)2 by Materials Project},
author = {The Materials Project},
abstractNote = {CoNd3Co28(B5Si2)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional and consists of two cobalt molecules and one Nd3Co28(B5Si2)2 framework. In the Nd3Co28(B5Si2)2 framework, there are two inequivalent Nd3+ sites. In the first Nd3+ site, Nd3+ is bonded in a 4-coordinate geometry to four equivalent Si4- atoms. All Nd–Si bond lengths are 3.21 Å. In the second Nd3+ site, Nd3+ is bonded in a 8-coordinate geometry to four equivalent Si4- atoms. All Nd–Si bond lengths are 3.26 Å. There are six inequivalent Co+1.28+ sites. In the first Co+1.28+ site, Co+1.28+ is bonded in a distorted rectangular see-saw-like geometry to three B3- and one Si4- atom. There are two shorter (2.05 Å) and one longer (2.12 Å) Co–B bond lengths. The Co–Si bond length is 2.34 Å. In the second Co+1.28+ site, Co+1.28+ is bonded in a distorted T-shaped geometry to three B3- and one Si4- atom. There are one shorter (2.10 Å) and two longer (2.13 Å) Co–B bond lengths. The Co–Si bond length is 2.57 Å. In the third Co+1.28+ site, Co+1.28+ is bonded in a distorted single-bond geometry to one B3- and three equivalent Si4- atoms. The Co–B bond length is 1.91 Å. There are one shorter (2.39 Å) and two longer (2.43 Å) Co–Si bond lengths. In the fourth Co+1.28+ site, Co+1.28+ is bonded in a distorted rectangular see-saw-like geometry to three B3- and one Si4- atom. There are a spread of Co–B bond distances ranging from 2.06–2.12 Å. The Co–Si bond length is 2.36 Å. In the fifth Co+1.28+ site, Co+1.28+ is bonded in a distorted bent 150 degrees geometry to two B3- and two equivalent Si4- atoms. There are one shorter (2.13 Å) and one longer (2.14 Å) Co–B bond lengths. Both Co–Si bond lengths are 2.69 Å. In the sixth Co+1.28+ site, Co+1.28+ is bonded in a square co-planar geometry to four B3- atoms. There are a spread of Co–B bond distances ranging from 2.07–2.11 Å. There are four inequivalent B3- sites. In the first B3- site, B3- is bonded in a 9-coordinate geometry to eight Co+1.28+ and one B3- atom. The B–B bond length is 2.04 Å. In the second B3- site, B3- is bonded in a 7-coordinate geometry to seven Co+1.28+ atoms. In the third B3- site, B3- is bonded in a 9-coordinate geometry to eight Co+1.28+ and one B3- atom. The B–B bond length is 2.00 Å. In the fourth B3- site, B3- is bonded in a 9-coordinate geometry to eight Co+1.28+ and one B3- atom. Si4- is bonded to three Nd3+ and nine Co+1.28+ atoms to form a mixture of distorted edge, corner, and face-sharing SiNd3Co9 cuboctahedra.},
doi = {10.17188/1191554},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {5}
}

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