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Influence of secondary ligand on structures and topologies of lanthanide coordination polymers with 1,3,5-triazine-2,4,6-triamine hexaacetic acid

Meundaeng, Natthaya; Yotnoi, Bunlawee; Funfuenha, Watcharee; Pattarawarapan, Mookda; Rujiwatra, Apinpus; Bunlawee, Yotnoi; Meundaeng, Natthaya; Mookda, Pattarawarapan; Watcharee, Funfuenha; Prior, Timothy J.; Apinpus, Rujiwatra

Authors

Natthaya Meundaeng

Bunlawee Yotnoi

Watcharee Funfuenha

Mookda Pattarawarapan

Apinpus Rujiwatra

Yotnoi Bunlawee

Natthaya Meundaeng

Pattarawarapan Mookda

Funfuenha Watcharee

Rujiwatra Apinpus

Abstract

© 2015 Taylor and Francis. A series of new lanthanide coordination polymers has been synthesized and structurally characterized; [Ln 4 (TTHA) 2 (pzac)(H 3 O) 2 (H 2 O)]·5H 2 O (Ln = Pr (1a) and Nd (1b)), [Sm 8 (TTHA) 4 (pzac) 0.5 (H 3 O)(H 2 O) 7.5 ]·4H 2 O (2), [Ln 4 (HTTHA) 2 (SO 4 )(H 2 O) 4 ]·5H 2 O (Ln = Pr (3a) and Nd (3b)), where H 6 TTHA = 1,3,5-triazine-2,4,6-triamine hexaacetic acid, and H 2 pzac = 2,5-dioxo-piperazine-1,4-diacetic acid. The compounds feature 3-D frameworks comprising the deprotonated H 6 TTHA as the primary ligand and either the in situ generated pzac 2- or sulfate as the secondary ligands. The influence of the deprotonated H 6 TTHA in directing the framework structures through preferential coordination modes and molecular conformation is described. The effect of the secondary ligands in increasing the compactness of the frameworks and in the alternation of the framework topologies based on the four-connected pts type is described.

Journal Article Type Article
Publication Date Dec 2, 2015
Journal Journal of coordination chemistry
Print ISSN 0095-8972
Electronic ISSN 1029-0389
Publisher Taylor & Francis
Peer Reviewed Peer Reviewed
Volume 68
Issue 23
Pages 4184-4202
Institution Citation Bunlawee, Y., Meundaeng, N., Mookda, P., Watcharee, F., Prior, T. J., & Apinpus, R. (2015). Influence of secondary ligand on structures and topologies of lanthanide coordination polymers with 1,3,5-triazine-2,4,6-triamine hexaacetic acid. Journal of coordination chemistry, 68(23), 4184-4202. https://doi.org/10.1080/00958972.2015.1100721
DOI https://doi.org/10.1080/00958972.2015.1100721
Keywords Coordination polymer; Lanthanide; Polycarboxylate; Crystal structure; Topology
Publisher URL http://www.tandfonline.com/doi/abs/10.1080/00958972.2015.1100721
Additional Information This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of coordination chemistry on 3rd November 2015, available online: http://wwww.tandfonline...0/00958972.2015.1100721

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