螺旋链状结构的亚磷酸钬的无溶剂合成及表征

doi:10.3969/j.issn.1672-6952.2020.02.007

辽宁石油化工大学学报 ›› 2020, Vol. 40 ›› Issue (2): 38-44.DOI: 10.3969/j.issn.1672-6952.2020.02.007

螺旋链状结构的亚磷酸钬的无溶剂合成及表征

修志佳¹，李虹陆¹，刘陆¹，马怡轲¹，陈立²，黄亮亮¹

1.辽宁石油化工大学化学化工与环境学部，辽宁抚顺 113001； 2.远东页岩炼化有限责任公司，辽宁抚顺 113015

收稿日期:2019-04-24 修回日期:2019-05-23 出版日期:2020-04-28 发布日期:2020-05-22
通讯作者: 黄亮亮（1983⁃），女，博士，副教授，从事功能材料的合成及应用研究；E⁃mail:huangll@lnpu.edu.cn。
作者简介:修志佳（1993-），男，硕士研究生，从事新功能材料方面的研究；E-mail:xiuzhijialnpu@163.com。
基金资助:
广西高校重点实验室开放课题项目(2016KLOG12)。

Solvent⁃Free Synthesis and Characterization of a New Chain Holmium Phosphite with Helical Chains

Xiu Zhijia¹， Li Honglu¹， Liu Lu¹， Ma Yike¹， Chen Li²， Huang Liangliang¹

1.College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun Liaoning 113001, China； 2.Far East Shale Refining & Chemical Co., Ltd., Fushun Liaoning 113015, China

Received:2019-04-24 Revised:2019-05-23 Published:2020-04-28 Online:2020-05-22

摘要/Abstract

摘要： 采用无溶剂合成的方法，以N,N'⁃二甲基哌嗪(Me2ppz)为结构导向剂，合成了一个由亚磷酸单元修饰的一维链状结构的新型亚磷酸钬化合物Ho(H2PO3)4(C6N2H16)0.5 (1)，并通过粉末X⁃射线衍射、红外光谱、热重、ICP和CHN元素分析对其进行表征。单晶X⁃射线衍射分析结果表明，化合物1属于单斜晶系，P21/c空间群。其结构是由HoO6八面体和[H2PO3]-假四面体单元相互连接构成。值得注意的是，化合物1是第一个通过无溶剂合成获得的稀土亚磷酸化合物，并且在化合物1的结构中存在左右手螺旋链。

关键词: 无溶剂合成, 　双螺旋链, 　亚磷酸钬

Abstract: In solvent⁃free condition, a new 1D chain holmium phosphite Ho(H2PO3)4(C6N2H16)0.5 (compound 1) decorated by phosphite groups has been synthesized using N,N'⁃Dimethylpiperazine (Me2ppz) as structure directing agent, and further been characterized by powder XRD, infrared spectroscopy, thermogravimetric, inductively coupled plasma and CHN elemental analyses. Single crystal X⁃ray diffraction analysis reveals that compound 1 crystallizes in the monoclinic crystal system with the P21/c space group. The structure of compound 1 is constructed by HoO6 octahedra and [H2PO3]- pseudo⁃pyramids units via vertex oxygen atoms. It is worth noting that compound 1 is the first rare earth phosphite compound which is synthesized in solvent⁃free condition. Moreover, a pair of left⁃ and righ⁃handed helical chains are present in the structure. In addition, coordination mode and geometry of lanthanide phosphonate, phosphate and phosphite are listed in this paper.

Key words: Solvent?free condition, Helical chain, Holmium phosphite

修志佳，李虹陆，刘陆，马怡轲，陈立，黄亮亮. 螺旋链状结构的亚磷酸钬的无溶剂合成及表征[J]. 辽宁石油化工大学学报, 2020, 40(2): 38-44.

Xiu Zhijia， Li Honglu， Liu Lu， Ma Yike， Chen Li， Huang Liangliang. Solvent⁃Free Synthesis and Characterization of a New Chain Holmium Phosphite with Helical Chains[J]. Journal of Liaoning Petrochemical University, 2020, 40(2): 38-44.

螺旋链状结构的亚磷酸钬的无溶剂合成及表征

Solvent⁃Free Synthesis and Characterization of a New Chain Holmium Phosphite with Helical Chains

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