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Water Content-Controlled Formation and Transformation of Concomitant Pseudopolymorph Coordination Polymers
[Image: see text] Two concomitant pseudopolymorph coordination polymers {[Cd(2)L(2)(OAc)(4)]·2DMSO}(n) (1) and {[CdL(OAc)(2)]·2.75H(2)O}(n) (2) were synthesized by self-assembly of 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene (L) and cadmium acetate in DMSO. Single-crystal X-ray diffraction confirmed...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2023
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10099119/ https://www.ncbi.nlm.nih.gov/pubmed/37065012 http://dx.doi.org/10.1021/acsomega.3c00405 |
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author | Notash, Behrouz Farhadi Rodbari, Mona Kubicki, Maciej |
author_facet | Notash, Behrouz Farhadi Rodbari, Mona Kubicki, Maciej |
author_sort | Notash, Behrouz |
collection | PubMed |
description | [Image: see text] Two concomitant pseudopolymorph coordination polymers {[Cd(2)L(2)(OAc)(4)]·2DMSO}(n) (1) and {[CdL(OAc)(2)]·2.75H(2)O}(n) (2) were synthesized by self-assembly of 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene (L) and cadmium acetate in DMSO. Single-crystal X-ray diffraction confirmed that 1D ladder structural motifs exist for pseudopolymorphs 1 and 2 which contain DMSO and water guest molecules, respectively. Our study illustrated the active role of solvent water content in obtaining compound 2. We find that the presence of water as an impurity in the DMSO solvent creates the possibility of formation of concomitant pseudopolymorph coordination polymers which is a unique event. Furthermore, our analyses showed the effect of environmental humidity on the transformation of unstable compound 1. 1D ladder pseudopolymorphic compound 1 could be transformed to guest-free 1D linear compound [CdL(OAc)(2)(H(2)O)](n) (3′) (the powder form of single crystals of 3) through a scarce case of water absorption from air. Also, the crystalline material of coordination polymer 3 was transformed to coordination polymer 2 through the dissolution–recrystallization structural transformation process in DMF or DMSO. Our study clarified that the amount of water in the reaction container can control the formation of one of the compounds 2 or 3. In the presence of a significant amount of water, compound 3 (coordinated water) will be produced, whereas if a small amount of water is present, compound 2 (uncoordinated water) is prepared as an exclusive product. |
format | Online Article Text |
id | pubmed-10099119 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-100991192023-04-14 Water Content-Controlled Formation and Transformation of Concomitant Pseudopolymorph Coordination Polymers Notash, Behrouz Farhadi Rodbari, Mona Kubicki, Maciej ACS Omega [Image: see text] Two concomitant pseudopolymorph coordination polymers {[Cd(2)L(2)(OAc)(4)]·2DMSO}(n) (1) and {[CdL(OAc)(2)]·2.75H(2)O}(n) (2) were synthesized by self-assembly of 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene (L) and cadmium acetate in DMSO. Single-crystal X-ray diffraction confirmed that 1D ladder structural motifs exist for pseudopolymorphs 1 and 2 which contain DMSO and water guest molecules, respectively. Our study illustrated the active role of solvent water content in obtaining compound 2. We find that the presence of water as an impurity in the DMSO solvent creates the possibility of formation of concomitant pseudopolymorph coordination polymers which is a unique event. Furthermore, our analyses showed the effect of environmental humidity on the transformation of unstable compound 1. 1D ladder pseudopolymorphic compound 1 could be transformed to guest-free 1D linear compound [CdL(OAc)(2)(H(2)O)](n) (3′) (the powder form of single crystals of 3) through a scarce case of water absorption from air. Also, the crystalline material of coordination polymer 3 was transformed to coordination polymer 2 through the dissolution–recrystallization structural transformation process in DMF or DMSO. Our study clarified that the amount of water in the reaction container can control the formation of one of the compounds 2 or 3. In the presence of a significant amount of water, compound 3 (coordinated water) will be produced, whereas if a small amount of water is present, compound 2 (uncoordinated water) is prepared as an exclusive product. American Chemical Society 2023-03-27 /pmc/articles/PMC10099119/ /pubmed/37065012 http://dx.doi.org/10.1021/acsomega.3c00405 Text en © 2023 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Notash, Behrouz Farhadi Rodbari, Mona Kubicki, Maciej Water Content-Controlled Formation and Transformation of Concomitant Pseudopolymorph Coordination Polymers |
title | Water Content-Controlled
Formation and Transformation
of Concomitant Pseudopolymorph Coordination Polymers |
title_full | Water Content-Controlled
Formation and Transformation
of Concomitant Pseudopolymorph Coordination Polymers |
title_fullStr | Water Content-Controlled
Formation and Transformation
of Concomitant Pseudopolymorph Coordination Polymers |
title_full_unstemmed | Water Content-Controlled
Formation and Transformation
of Concomitant Pseudopolymorph Coordination Polymers |
title_short | Water Content-Controlled
Formation and Transformation
of Concomitant Pseudopolymorph Coordination Polymers |
title_sort | water content-controlled
formation and transformation
of concomitant pseudopolymorph coordination polymers |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10099119/ https://www.ncbi.nlm.nih.gov/pubmed/37065012 http://dx.doi.org/10.1021/acsomega.3c00405 |
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