同步加速器粉末x射线衍射研究了正菱形氢氧化碳酸铈。

IF 0.6 Q4 CRYSTALLOGRAPHY
Liam A. V. Nagle-Cocco , Robert T. Bell , Nicholas A. Strange
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引用次数: 0

摘要

碳酸铈是合成各种含铈化合物的前驱体材料。在这项工作中,对商业获得的“碳酸铈水合物”进行同步加速器粉末x射线衍射研究表明,存在多个含ce相。大部分相CeCO3OH (52.49%wt)采用正交菱形Pmcn结构模型进行提纯,其中a = 5.01019 (2) Å, b = 8.55011 (4) Å, c = 7.31940 (4) Å,该模型基于已报道的类镧碳酸盐矿物ancyite的结构。此外,前驱体材料的很大一部分是立方氧化铈(47.12%wt)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Ortho­rhom­bic cerium(III) carbonate hydroxide studied by synchrotron powder X-ray diffraction

Ortho­rhom­bic cerium(III) carbonate hydroxide studied by synchrotron powder X-ray diffraction

Ortho­rhom­bic cerium(III) carbonate hydroxide studied by synchrotron powder X-ray diffraction

Ortho­rhom­bic cerium(III) carbonate hydroxide studied by synchrotron powder X-ray diffraction
A synchrotron powder X-ray diffraction study of commercially obtained ‘cerium(III) carbonate hydrate’ indicates that multiple Ce-containing phases coexist, none of which are Ce2(CO3)3. The majority phase is an ortho­rhom­bic phase of composition CeCO3OH.
Cerium(III) carbonate is a precursor material for the synthesis of various Ce-containing compounds. In this work, a synchrotron powder X-ray diffraction study of commercially obtained ‘cerium(III) carbonate hydrate’ indicates that multiple Ce-containing phases are present. The majority phase CeCO3OH (52.49%wt) was refined using an ortho­rhom­bic Pmcn structure model with a = 5.01019 (2) Å, b = 8.55011 (4) Å and c = 7.31940 (4) Å, which is based on a reported structure for the lanthanoid carbonate mineral ancylite. Additionally, a substantial portion of the precursor material is cubic cerium(IV) oxide (47.12%wt).
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来源期刊
CiteScore
1.90
自引率
0.00%
发文量
351
审稿时长
3 weeks
期刊介绍: Acta Crystallographica Section E: Crystallographic Communications is the IUCr''s open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.
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