Issue 40, 2015
From the journal:

RSC Advances

Controlled assembly of hybrid architectures based on carboxylic acid ligands and [(O3PCH2PO3)Mo6O22]12−†

Xiaopeng Sun,a   Donghui Yang,a   Gaigai Wang,a   Zhijie Liang,a   Pengtao Ma,a   Jingping Wang*a  and  Jingyang Niu*a  

* Corresponding authors

a Key Laboratory of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, Henan, China
E-mail: jpwang@henu.edu.cn, jyniu@henu.edu.cn
Fax: +86-371-23886876

Abstract

The nature of carboxylic acid has a profound effect on constructing POM-based architectures. With different carboxylic acid ligands, three novel diphosphonate-containing compounds have been synthesized and further investigated by elemental analyses, single-crystal X-ray diffraction, IR spectroscopy, UV-vis spectroscopy, X-ray powder diffraction (XRPD), 31P NMR spectroscopy, cyclic voltammetric behavior and thermogravimetric (TG) analyses. [(HO3PCH2PO3)Mo6O18(O2CC6H4OH)2]5− (1a) shows a ring-shaped cluster with a {Mo6} plane framework. [{(HO3PCH2PO3)Mo6O18(CH3CO2)2}2Na2(H2O)2]8− (2a) is a reverse symmetrical “crown-type” structure and the subunits are linked by two Na–O(1W)–Na bridges. The polyanion [{(O3PCH2PO3)(Mo6O18(H2O)2)(O2CCH2CO2)}2(Mo2O5)2(μ3-O)2]12− (3a) appears as an “S-shaped” structure with a centre of inversion.

Graphical abstract: Controlled assembly of hybrid architectures based on carboxylic acid ligands and [(O3PCH2PO3)Mo6O22]12−

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Article information

DOI
https://doi.org/10.1039/C5RA01955A
Article type
Paper
Submitted
31 Jan 2015
Accepted
19 Mar 2015
First published
19 Mar 2015

RSC Adv., 2015,5, 31392-31398

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Controlled assembly of hybrid architectures based on carboxylic acid ligands and [(O3PCH2PO3)Mo6O22]12−

X. Sun, D. Yang, G. Wang, Z. Liang, P. Ma, J. Wang and J. Niu, RSC Adv., 2015, 5, 31392 DOI: 10.1039/C5RA01955A

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