Polymorphism in metal complexes of thiazole-4-carboxylic acid

© 2016, The Author(s). Five new molecular complexes of chemical formula [M(4-tza)2(H2O)2] (M = Co, Ni, or Cu) and a complex of [Cu(4-tza)2]·4H2O using thiazole-4-carboxylic acid (4-tza) as the ligand have been successfully synthesized and structurally characterized by single crystal X-ray diffractio...

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Main Authors: Natthaya Meundaeng, Apinpus Rujiwatra, Timothy J. Prior
Format: Journal
Published: 2018
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/55437
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spelling th-cmuir.6653943832-554372018-09-05T03:04:26Z Polymorphism in metal complexes of thiazole-4-carboxylic acid Natthaya Meundaeng Apinpus Rujiwatra Timothy J. Prior Chemistry Materials Science © 2016, The Author(s). Five new molecular complexes of chemical formula [M(4-tza)2(H2O)2] (M = Co, Ni, or Cu) and a complex of [Cu(4-tza)2]·4H2O using thiazole-4-carboxylic acid (4-tza) as the ligand have been successfully synthesized and structurally characterized by single crystal X-ray diffraction. Two district polymorphs (α and β) are found for both [Co(4-tza)2(H2O)2] and [Ni(4-tza)2(H2O)2]. The effects of solvent composition and temperature on the formation of these polymorphs have been investigated and phase behaviour of the polymorphs was studied through X-ray powder diffraction. Unlike the complexes of Co and Ni, [Cu(4-tza)2(H2O)2] does not display polymorphism but exhibits irreversible structural transformation from [Cu(4-tza)2(H2O)2] to the dehydrated form, [Cu(4-tza)2], upon heating. 2018-09-05T02:55:51Z 2018-09-05T02:55:51Z 2016-10-01 Journal 1572901X 03404285 2-s2.0-84979656159 10.1007/s11243-016-0079-7 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84979656159&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/55437
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Chemistry
Materials Science
spellingShingle Chemistry
Materials Science
Natthaya Meundaeng
Apinpus Rujiwatra
Timothy J. Prior
Polymorphism in metal complexes of thiazole-4-carboxylic acid
description © 2016, The Author(s). Five new molecular complexes of chemical formula [M(4-tza)2(H2O)2] (M = Co, Ni, or Cu) and a complex of [Cu(4-tza)2]·4H2O using thiazole-4-carboxylic acid (4-tza) as the ligand have been successfully synthesized and structurally characterized by single crystal X-ray diffraction. Two district polymorphs (α and β) are found for both [Co(4-tza)2(H2O)2] and [Ni(4-tza)2(H2O)2]. The effects of solvent composition and temperature on the formation of these polymorphs have been investigated and phase behaviour of the polymorphs was studied through X-ray powder diffraction. Unlike the complexes of Co and Ni, [Cu(4-tza)2(H2O)2] does not display polymorphism but exhibits irreversible structural transformation from [Cu(4-tza)2(H2O)2] to the dehydrated form, [Cu(4-tza)2], upon heating.
format Journal
author Natthaya Meundaeng
Apinpus Rujiwatra
Timothy J. Prior
author_facet Natthaya Meundaeng
Apinpus Rujiwatra
Timothy J. Prior
author_sort Natthaya Meundaeng
title Polymorphism in metal complexes of thiazole-4-carboxylic acid
title_short Polymorphism in metal complexes of thiazole-4-carboxylic acid
title_full Polymorphism in metal complexes of thiazole-4-carboxylic acid
title_fullStr Polymorphism in metal complexes of thiazole-4-carboxylic acid
title_full_unstemmed Polymorphism in metal complexes of thiazole-4-carboxylic acid
title_sort polymorphism in metal complexes of thiazole-4-carboxylic acid
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84979656159&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/55437
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