Synthesis and study of mixed-ligand heterometallic complexes of cobalt and neodymium succinates with pyridine or phenanthroline

Q4 Chemistry

Voprosy Khimii i Khimicheskoi Tekhnologii Pub Date : 2023-07-01 DOI:10.32434/0321-4095-2023-149-4-94-104

L. Sliusarchuk, N. Ivakha, L. Zheleznova, S. Kuleshov, O. Trunova

{"title":"Synthesis and study of mixed-ligand heterometallic complexes of cobalt and neodymium succinates with pyridine or phenanthroline","authors":"L. Sliusarchuk, N. Ivakha, L. Zheleznova, S. Kuleshov, O. Trunova","doi":"10.32434/0321-4095-2023-149-4-94-104","DOIUrl":null,"url":null,"abstract":"The paper reports the results of the study on the synthesis of new heterometallic complexes of Co(II) and Nd(III) with succinic acid in the presence of 1,10-phenanthroline or pyridine. The following hetero- and monocomplexes were synthesized: [Со(С4Н4О4)2Ру]2H2O and [Со(С4Н4О4)Рhen]2H2O; [Nd2(С4Н4О4)3]5Н2О and [Nd2(С4Н4О4)32Phen]2Н2О; [Сo2Nd2(C4Н4O4)54Py]4Н2О and [Сo2Nd2(C4Н4O4)52Phen]4Н2О (Phen – phenanthroline, and Py – pyridine). The study of their composition, structure, thermal properties and determination of the ability of heterocomplexes to form complex oxides was carried out. The complexes were characterized by a number of physicochemical methods: elemental analysis, IR- and diffuse reflection spectroscopies, X-ray powder diffraction and differential thermal analysis. Based on the analysis of diffuse reflection spectra and IR spectra of heterocomplexes, it was shown that succinic acid and 1,10-phenanthroline are bidentately bound to metal atoms. The metals are connected by succinic acid, forming a chain. Oxide powders were obtained during thermolysis of heterocomplexes up to 8000C. The composition of the synthesized heterometallic compounds was controlled by X-ray powder diffraction. It was shown that a complex oxide of NdСоО3 (cubic crystal system), without impurities, was formed, when the heterocomplex of phenanthroline [Сo2Nd2(C4Н4O4)52Phen]4Н2О was heated to 8000C. When heating the heterocomplex of pyridine [Сo2Nd2(C4Н4O4)54Py]4Н2О, in addition to the complex oxide NdСоО3, oxides Nd2О3 (hexagonal crystal system), Nd2О3 (cubic crystal system) and Со3O4 oxide (cubic crystal system) were formed. The heterocomplex [Сo2Nd2(C4Н4O4)52Phen]4Н2О can be used as a precursor for the synthesis of cobaltate of neodymium with lower energy costs than in solid-phase synthesis.","PeriodicalId":23684,"journal":{"name":"Voprosy Khimii i Khimicheskoi Tekhnologii","volume":"25 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Voprosy Khimii i Khimicheskoi Tekhnologii","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.32434/0321-4095-2023-149-4-94-104","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Chemistry","Score":null,"Total":0}

引用次数: 0

Abstract

The paper reports the results of the study on the synthesis of new heterometallic complexes of Co(II) and Nd(III) with succinic acid in the presence of 1,10-phenanthroline or pyridine. The following hetero- and monocomplexes were synthesized: [Со(С4Н4О4)2Ру]2H2O and [Со(С4Н4О4)Рhen]2H2O; [Nd2(С4Н4О4)3]5Н2О and [Nd2(С4Н4О4)32Phen]2Н2О; [Сo2Nd2(C4Н4O4)54Py]4Н2О and [Сo2Nd2(C4Н4O4)52Phen]4Н2О (Phen – phenanthroline, and Py – pyridine). The study of their composition, structure, thermal properties and determination of the ability of heterocomplexes to form complex oxides was carried out. The complexes were characterized by a number of physicochemical methods: elemental analysis, IR- and diffuse reflection spectroscopies, X-ray powder diffraction and differential thermal analysis. Based on the analysis of diffuse reflection spectra and IR spectra of heterocomplexes, it was shown that succinic acid and 1,10-phenanthroline are bidentately bound to metal atoms. The metals are connected by succinic acid, forming a chain. Oxide powders were obtained during thermolysis of heterocomplexes up to 8000C. The composition of the synthesized heterometallic compounds was controlled by X-ray powder diffraction. It was shown that a complex oxide of NdСоО3 (cubic crystal system), without impurities, was formed, when the heterocomplex of phenanthroline [Сo2Nd2(C4Н4O4)52Phen]4Н2О was heated to 8000C. When heating the heterocomplex of pyridine [Сo2Nd2(C4Н4O4)54Py]4Н2О, in addition to the complex oxide NdСоО3, oxides Nd2О3 (hexagonal crystal system), Nd2О3 (cubic crystal system) and Со3O4 oxide (cubic crystal system) were formed. The heterocomplex [Сo2Nd2(C4Н4O4)52Phen]4Н2О can be used as a precursor for the synthesis of cobaltate of neodymium with lower energy costs than in solid-phase synthesis.

查看原文本刊更多论文

钴、琥珀酸钕与吡啶或邻菲罗啉混合配体杂金属配合物的合成与研究

本文报道了在1,10-菲罗啉或吡啶存在下，琥珀酸与Co(II)和Nd(III)合成新的杂金属配合物的研究结果。合成了以下杂络合物和单络合物:[Со(С4Н4О4) 2Ру] 2H2O]和[Со(С4Н4О4) Рhen];阐述(4СН4О4)3]5Н2О和[阐述(4СН4О4)32苯酚的]Н2О;[Сo2Nd2(C4Н4O4)5 chees4py] chees4Н2О和[Сo2Nd2(C4Н4O4)5 chees2phen] chees4Н2О (Phen - phenanthroline, Py - pyridine)。对其组成、结构、热性能进行了研究，并测定了其形成复合氧化物的能力。通过元素分析、红外和漫反射光谱、x射线粉末衍射和差热分析等物理化学方法对配合物进行了表征。通过对杂配合物的漫反射光谱和红外光谱的分析，发现琥珀酸和1,10-菲罗啉与金属原子是双端结合的。这些金属由琥珀酸连接，形成一条链。在高达8000C的温度下对异质配合物进行热裂解得到氧化物粉末。用x射线粉末衍射法对合成的杂金属化合物的组成进行了控制。结果表明，将菲罗啉[Сo2Nd2(C4Н4O4)5 . [2] . [4Н2О]的杂络合物加热至8000C时，形成了不含杂质的NdСоО3(立方晶系)的复合氧化物。在加热吡啶杂络合物[Сo2Nd2(C4Н4O4)5 . 4Py] [4Н2О]时，除形成络合物氧化物NdСоО3外，还形成了氧化物Nd2О3(六方晶系)、Nd2О3(立方晶系)和Со3O4氧化物(立方晶系)。该杂络合物[Сo2Nd2(C4Н4O4)5 .[2] .[2] .[2] .[2]可以用作合成钕钴酸盐的前驱体，其能量成本比固相合成低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Voprosy Khimii i Khimicheskoi Tekhnologii Chemical Engineering-Chemical Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： Voprosy Khimii i Khimicheskoi Tekhnologii (Issues of Chemistry and Chemical Technology) is published bimonthly by the Ukrainian State University of Chemical Technology and accepts Ukrainian- or English language high-quality original articles and reviews concerning various fields of research in chemistry and chemical engineering. Our unusual title “Voprosy khimii i khimicheskoi tekhnologii” originates from the transliterated initial Russian title “Issues of Chemistry and Chemical Technology“. The fact of the matter is that Voprosy khimii i khimicheskoi tekhnologii was founded in 1965 as a scientific journal mainly for Russian-reading and Russian-speaking readership when «the Iron Curtain» existed. Since 1991, after Ukraine declared its independence, our Journal began to publish the articles in Ukrainian and English. Multilingualism is our established tradition. We remember and cherish our traditions, but we follow the latest trends in modern science. Papers that are multidisciplinary or address new or emerging areas of chemistry and chemical engineering are particularly encouraged. Thus, the scope is dynamic. It includes but is not limited to the traditional areas of general, inorganic, organic, analytical, physical chemistry and electrochemistry, as well as all conventional areas of chemical engineering (chemistry of high molecular compounds, technology of inorganic and organic substances, processing of combustible minerals, chemical technology of silicates, processes and apparatus of chemical productions, etc.). The Journal publishes papers dealing with newer interdisciplinary areas such as materials science, nano-science, catalysis, computational and theoretical chemistry, surface phenomenon and colloidal systems, environmental chemistry, green chemistry.