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Ternary carbodiimide compound, Ba0.9Sr0.1NCN with distorted rutile-type structure

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Title: Ternary carbodiimide compound, Ba0.9Sr0.1NCN with distorted rutile-type structure
Authors: Masubuchi, Yuji Browse this author →KAKEN DB
Miyazaki, Suzuka Browse this author
Fujii, Kotaro Browse this author
Yashima, Masatomo Browse this author
Miura, Akira Browse this author →KAKEN DB
Higuchi, Mikio Browse this author →KAKEN DB
Keywords: Carbodiimide
Crystal structure
Distorted rutile-type structure
Issue Date: Apr-2021
Publisher: Elsevier
Journal Title: Journal of solid state chemistry
Volume: 296
Start Page: 122000
Publisher DOI: 10.1016/j.jssc.2021.122000
Abstract: Ternary carbodiimides, Ba1-xSrxNCN (x = 0, 0.1, 0.2, 0.5, 0.8, and 1.0) were prepared by an ammonolysis reaction with a (Ba,Sr)CO3 precursor obtained by a polymerized complex method. A new orthorhombic carbodiimide was obtained at x = 0.1. It coexists with SrNCN-type solid solutions between x = 0.2 and 0.5. The crystal structure of Ba0.9Sr0.1 NCN was determined using single-crystal X-ray and powder neutron diffraction data, and was found to adopt an orthorhombic Pnnm crystal structure. In this structure, both Ba2+ and Sr2+ cations are situated in an octahedron of N atoms of NCN2- anionic groups, and the (Ba/Sr)N-6 octahedra form a distorted rutile-type structure with C atoms bridging the N atoms.
Rights: ©2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鱒渕 友治

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