Synthesis and crystal structure of BaZn(CO3)F2; revision of the structure of BaMn(CO3)F2

IF 3.3 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Solid State Sciences Pub Date : 2002-06-01 DOI:10.1016/S1293-2558(02)01339-0

A. Ben Ali , V. Maisonneuve , L.S. Smiri , M. Leblanc

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引用次数: 15

Abstract

The synthesis and the crystal structure of two isostructural fluoride carbonates are presented. BaZn(CO₃)F₂ and BaMn(CO₃)F₂, obtained by hydrothermal growth (T=650 °C, P=210 MPa, t=48 h), are hexagonal, P6₃/m, Z=2, with a=4.8523(8), c=9.854(1) Å for BaZn(CO₃)F₂ and a=4.9120(8), c=9.919(1) Å for BaMn(CO₃)F₂. Their structures are solved by X-ray diffraction; the reliability factors are R/R_w=0.016/0.039 and R/R_w=0.019/0.046 for BaZn(CO₃)F₂ and BaMn(CO₃)F₂, respectively. The 3D network is built up from [MO₃F₂] (M=Zn, Mn) polyhedra and CO²⁻₃ groups, which lie in $(0 0 0 1)$ planes. The structures, which derive from the structure of KPu(CO₃)O₂, are very similar to the structures of two fluoride borates, BaAl(BO₃)F₂ and BaGa(BO₃)F₂, recently published.

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BaZn(CO3)F2的合成及晶体结构BaMn(CO3)F2结构的修正

介绍了两种同构氟化物碳酸盐的合成及其晶体结构。水热生长(温度650℃，温度210 MPa，温度48 h)得到的BaZn(CO3)F2和BaMn(CO3)F2为六边形，P63/m, Z=2，其中BaZn(CO3)F2的a=4.8523(8)， C =9.854(1) Å， BaMn(CO3)F2的a=4.9120(8)， C =9.919(1) Å。用x射线衍射分析了它们的结构;BaZn(CO3)F2的信度因子R/Rw=0.016/0.039, BaMn(CO3)F2的信度因子R/Rw=0.019/0.046。三维网络由[MO3F2] (M=Zn, Mn)多面体和CO2 - 3基团组成，它们分布在(0001)个平面上。该结构来源于KPu(CO3)O2的结构，与最近发表的两种氟硼酸盐BaAl(BO3)F2和BaGa(BO3)F2的结构非常相似。

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来源期刊

Solid State Sciences 化学-无机化学与核化学

CiteScore

6.60

自引率

2.90%

发文量

214

审稿时长

27 days

期刊介绍： Solid State Sciences is the journal for researchers from the broad solid state chemistry and physics community. It publishes key articles on all aspects of solid state synthesis, structure-property relationships, theory and functionalities, in relation with experiments. Key topics for stand-alone papers and special issues: -Novel ways of synthesis, inorganic functional materials, including porous and glassy materials, hybrid organic-inorganic compounds and nanomaterials -Physical properties, emphasizing but not limited to the electrical, magnetical and optical features -Materials related to information technology and energy and environmental sciences. The journal publishes feature articles from experts in the field upon invitation. Solid State Sciences - your gateway to energy-related materials.

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