The first structural examples of tricitratotitanate [Ti(H2cit)3]2− dianions

Zhao-Hui Zhou; Yuan-Fu Deng; Ya-Qi Jiang; Hui-Lin Wan; Seik-Weng Ng

doi:10.1039/B304358D

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The first structural examples of tricitratotitanate [Ti(H₂cit)₃]²⁻ dianions†

Zhao-Hui Zhou,*^a Yuan-Fu Deng,^a Ya-Qi Jiang,^a Hui-Lin Wan^a and Seik-Weng Ng^b

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* Corresponding authors

^a Department of Chemistry and State Key Laboratory for Physical Chemistry of Solid Surface, Xiamen University, Xiamen, 361005, China
E-mail: zhzhou@xmu.edu.cn

^b Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia

Abstract

The crystal structures of the mixed-cation compounds KMg_½[Ti(H₂cit)₃]·6H₂O and (NH₄)Mg_½[Ti(H₂cit)₃]·6H₂O (H₄cit = citric acid), which were synthesized by a modified Pechini process, feature three bidentate [(HO₂CCH₂)₂C(CO₂–)O–] citrato groups that chelate to the titanium atom through their negatively-charged α-alkoxyl and α-carboxyl oxygen atoms; the other two β-carboxylic acid groups are free.

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Supplementary files

¹³C NMR spectra, thermogravimetric analysis and powder X-ray diagram PDF (143K)

Article information

DOI: https://doi.org/10.1039/B304358D
Article type: Communication
Submitted: 22 Apr 2003
Accepted: 21 May 2003
First published: 28 May 2003

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Dalton Trans., 2003, 2636-2638

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The first structural examples of tricitratotitanate [Ti(H₂cit)₃]²⁻ dianions

Z. Zhou, Y. Deng, Y. Jiang, H. Wan and S. Ng, Dalton Trans., 2003, 2636 DOI: 10.1039/B304358D

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Dalton Transactions