Effect of crystallization conditions on the composition and structure of {ZnCa} metal-organic coordination polymers with isophthalate anions

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Russian Chemical Bulletin Pub Date : 2024-12-06 DOI:10.1007/s11172-024-4402-8

I. K. Rubtsova, M. A. Shmelev, S. A. Nikolaevskii, D. A. Banaru, I. A. Yakushev, P. V. Dorovatovskii, S. M. Aksenov, A. A. Sidorov, I. L. Eremenko, M. A. Kiskin

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Abstract

The reaction of the heterometallic complex [Zn₂Ca(piv)₆(py)₂] (piv is pivalate anion, py is pyridine) with isophthalic acid (1,3-H₂bdc) under the solvothermal conditions afforded a series of new {ZnCa} coordination polymers [Zn₂Ca(DMF)₂(1,3-bdc)₃]_n • •n(DMF) (1), [Zn₃Ca₃(H₂O)₅(DMF)(1,3-bdc)₆]_n • 3n(C₆H₆) • 3n(DMF) (2), and [Zn₄Ca₃(H₂O)₄(NMP)(1,3-bdc)₈]_n (3, NMP is N-methylpyrrolidone). The structures of the new compounds were determined by single-crystal X-ray diffraction. Depending on the conditions of the synthesis and crystallization, porous coordination polymers with different structures and composition were obtained. The use of poorly soluble zinc iso-phthalate as one of the starting compounds in the reaction with calcium nitrate enabled the preparation of single-phase complex 1 in amounts required for further investigations. The synthesized compounds were characterized by single-crystal X-ray diffraction, powder X-ray diffraction, IR spectroscopy, and elemental analysis.

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结晶条件对间苯二甲酸阴离子{ZnCa}金属有机配位聚合物组成和结构的影响

杂金属配合物[Zn2Ca(piv)6(py)2] （piv为戊酸阴离子，py为吡啶）与间苯二甲酸（1,3- h2bdc）在溶剂热条件下反应得到了一系列新的{ZnCa}配位聚合物[Zn2Ca(DMF)2(1,3-bdc)3]n••n(DMF) (1), [Zn3Ca3(H2O)5(DMF)(1,3-bdc)6]n•3n（C6H6）•3n(DMF)(2)]和[Zn4Ca3(H2O)4(NMP)(1,3-bdc)8]n （3， NMP为n -甲基吡罗烷酮）。用单晶x射线衍射测定了新化合物的结构。根据合成和结晶条件的不同，可以得到不同结构和组成的多孔配位聚合物。使用难溶异邻苯二甲酸锌作为与硝酸钙反应的起始化合物之一，可以制备进一步研究所需数量的单相配合物1。通过单晶x射线衍射、粉末x射线衍射、红外光谱和元素分析对合成的化合物进行了表征。

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来源期刊

Russian Chemical Bulletin 化学-化学综合

CiteScore

2.70

自引率

47.10%

发文量

257

审稿时长

3-8 weeks

期刊介绍： Publishing nearly 500 original articles a year, by leading Scientists from Russia and throughout the world, Russian Chemical Bulletin is a prominent international journal. The coverage of the journal spans practically all areas of fundamental chemical research and is presented in five sections: General and Inorganic Chemistry; Physical Chemistry; Organic Chemistry; Organometallic Chemistry; Chemistry of Natural Compounds and Bioorganic Chemistry.