K4CuO2Cl2: A new alkali metal copper oxyhalide via aqueous solution processes

IF 3.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Solid State Sciences Pub Date : 2025-02-22 DOI:10.1016/j.solidstatesciences.2025.107868

Li Zhang , Junliang Sun , Xianji Qiao

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Abstract

The study of mixed-anion compounds, aimed at combining the advantages of different anions, has been extensively studied. Metal oxyhalides, with a view to combining the benefits of oxides and halides, play a crucial role in numerous advanced scientific and technological fields. Here we present a novel K₄CuO₂Cl₂ compound whose structure was studied via single-crystal X-ray diffraction. The synthesis of the K₄CuO₂Cl₂ compound employs a low-temperature aqueous solution method, in contrast to the high-temperature synthesis of K₄Cu₄OCl₁₀. The crystal structure of K₄CuO₂Cl₂ crystallizes in space group P4₂/mnm with tetragonal symmetry. Moreover, the K atom exhibits a tetrahedral coordination whilst Cu atom have a quadrilateral plane coordination in K₄CuO₂Cl₂, in contrast to the exclusively tetrahedral coordination found in K₄Cu₄OCl₁₀. This unique structural feature is expected to impart distinctive magnetic properties.

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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.