18-冠-6氯化钴盐的结晶固相反应性及溶剂效应

IF 2.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Polyhedron Pub Date : 2025-03-16 DOI:10.1016/j.poly.2025.117496

Jacob P. Brannon , Zijie Zhang , Kevin Liang , Moisés Bravo , S. Chantal E. Stieber

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引用次数: 0

摘要

在CH3CN和THF中合成了1,4,7,10,13,16-六氧半环十六烷（18-冠-6）与CoCl2盐的共晶，得到了[Co(CH3CN)4(H2O)2(18-冠-6)][CoCl3(H2O)]2和[Co(H2O)6(18-冠-6)2(THF)][CoCl4]的结构表征。干燥后，[Co(H2O)6(18-crown-6)2(THF)][CoCl4]的蓝色晶体发生固相反应，形成两种具有粉红色和蓝色晶体的新物质。粉色晶体鉴定为CoCl2(H2O)4⋅(H2O)，蓝色晶体鉴定为CoCl3(μ-Cl)Co(H2O)5(18-crown-6)1.5。这些结构突出了溶剂对填料、电池体积和氢键网络的影响，并展示了一个罕见的固态结晶反应的例子。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Crystalline solid state reactivity and solvent effects in cobalt chloride salts with 18-crown-6

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Crystalline solid state reactivity and solvent effects in cobalt chloride salts with 18-crown-6

Co-crystals of 1,4,7,10,13,16-hexaoxacyclooctadecane (18-crown-6) with CoCl₂ salts were synthesized in CH₃CN and THF, resulting in the structural characterization of [Co(CH₃CN)₄(H₂O)₂(18-crown-6)][CoCl₃(H₂O)]₂ and [Co(H₂O)₆(18-crown-6)₂(THF)][CoCl₄], respectively. Upon drying, the blue crystal of [Co(H₂O)₆(18-crown-6)₂(THF)][CoCl₄] underwent a solid state reaction to form two new species with pink and blue crystals. The pink crystals were identified as CoCl₂(H₂O)₄⋅(H₂O), and the blue crystals identified as CoCl₃(μ-Cl)Co(H₂O)₅(18-crown-6)_1.5 with a bridging Cl atom. These structures highlight the effect that solvent has on packing, cell volumes, and hydrogen bonding networks, and demonstrate a rare example of a solid state crystalline reaction.

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来源期刊

Polyhedron 化学-晶体学

CiteScore

4.90

自引率

7.70%

发文量

515

审稿时长

2 months

期刊介绍： Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.