Synthesis, crystal structure, and luminescent properties of new zinc(II) and cadmium(II) metal-organic frameworks based on flexible bis(imidazol-1-yl)alkane ligands

Marina Barsukova; Tatiana Goncharova; Denis Samsonenko; Danil Dybtsev; Andrei Potapov

doi:10.3390/cryst6100132

Synthesis, crystal structure, and luminescent properties of new zinc(II) and cadmium(II) metal-organic frameworks based on flexible bis(imidazol-1-yl)alkane ligands

Marina Barsukova, Tatiana Goncharova, Denis Samsonenko, Danil Dybtsev, Andrei Potapov^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

New metal-organic frameworks (MOFs) based on zinc and cadmium ions, terephthalic acid, and flexible ligands 1,5-bis(imidazol-1-yl)pentane or 1,6-bis(imidazol-1-yl)hexane were prepared and characterized by X-ray diffraction, thermorgavimetric analysis and IR spectroscopy. The imidazolyl ligands were prepared by a new robust procedure involving the reaction between imidazole and 1,5-dibromopentane or 1,6-dibromohexane in a superbasic medium (KOH in DMSO). MOFs based on 1,5-bis(imidazol-1-yl)pentane had diamond topology (dia) and are triply interpenetrated. Ligands with longer spacer 1,6-bis(imidazol-1-yl)hexane, terephthalate ions and zinc(II) ions formed five-fold interpenetrated metal-organic framework also with dia topology, while cadmium(II) ions with the same ligands formed eight-connected uninodal net with a very rare self-penetrated topological type ilc and a point symbol 4²⁴ .5.6³. The influence of the chemical composition of MOFs on their photoluminescent properties is investigated and discussed in detail.

Original language	English (US)
Article number	132
Journal	Crystals
Volume	6
Issue number	10
DOIs	https://doi.org/10.3390/cryst6100132
State	Published - 2016

Bibliographical note

Funding Information:
The reported study was supported by the Russian Science Foundation, Grant No. 15-13-10023. The authors are grateful to M.I. Rakhmanova for luminescence measurements and V.D. Orogodnikov for recording NMR spectra.

Publisher Copyright:
© 2016 by the authors; licensee MDPI, Basel, Switzerland.

Keywords

Bis(imidazol-1-yl)alkanes
Cadmium
Flexible ligands
Imidazole
Luminescence
Metal-organic frameworks
Zinc

ASJC Scopus subject areas

General Chemical Engineering
General Materials Science
Condensed Matter Physics
Inorganic Chemistry

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10.3390/cryst6100132

Cite this

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title = "Synthesis, crystal structure, and luminescent properties of new zinc(II) and cadmium(II) metal-organic frameworks based on flexible bis(imidazol-1-yl)alkane ligands",

abstract = "New metal-organic frameworks (MOFs) based on zinc and cadmium ions, terephthalic acid, and flexible ligands 1,5-bis(imidazol-1-yl)pentane or 1,6-bis(imidazol-1-yl)hexane were prepared and characterized by X-ray diffraction, thermorgavimetric analysis and IR spectroscopy. The imidazolyl ligands were prepared by a new robust procedure involving the reaction between imidazole and 1,5-dibromopentane or 1,6-dibromohexane in a superbasic medium (KOH in DMSO). MOFs based on 1,5-bis(imidazol-1-yl)pentane had diamond topology (dia) and are triply interpenetrated. Ligands with longer spacer 1,6-bis(imidazol-1-yl)hexane, terephthalate ions and zinc(II) ions formed five-fold interpenetrated metal-organic framework also with dia topology, while cadmium(II) ions with the same ligands formed eight-connected uninodal net with a very rare self-penetrated topological type ilc and a point symbol 424 .5.63. The influence of the chemical composition of MOFs on their photoluminescent properties is investigated and discussed in detail.",

keywords = "Bis(imidazol-1-yl)alkanes, Cadmium, Flexible ligands, Imidazole, Luminescence, Metal-organic frameworks, Zinc",

author = "Marina Barsukova and Tatiana Goncharova and Denis Samsonenko and Danil Dybtsev and Andrei Potapov",

note = "Funding Information: The reported study was supported by the Russian Science Foundation, Grant No. 15-13-10023. The authors are grateful to M.I. Rakhmanova for luminescence measurements and V.D. Orogodnikov for recording NMR spectra. Publisher Copyright: {\textcopyright} 2016 by the authors; licensee MDPI, Basel, Switzerland.",

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AU - Barsukova, Marina

AU - Goncharova, Tatiana

AU - Samsonenko, Denis

AU - Dybtsev, Danil

AU - Potapov, Andrei

N1 - Funding Information: The reported study was supported by the Russian Science Foundation, Grant No. 15-13-10023. The authors are grateful to M.I. Rakhmanova for luminescence measurements and V.D. Orogodnikov for recording NMR spectra. Publisher Copyright: © 2016 by the authors; licensee MDPI, Basel, Switzerland.

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Y1 - 2016

N2 - New metal-organic frameworks (MOFs) based on zinc and cadmium ions, terephthalic acid, and flexible ligands 1,5-bis(imidazol-1-yl)pentane or 1,6-bis(imidazol-1-yl)hexane were prepared and characterized by X-ray diffraction, thermorgavimetric analysis and IR spectroscopy. The imidazolyl ligands were prepared by a new robust procedure involving the reaction between imidazole and 1,5-dibromopentane or 1,6-dibromohexane in a superbasic medium (KOH in DMSO). MOFs based on 1,5-bis(imidazol-1-yl)pentane had diamond topology (dia) and are triply interpenetrated. Ligands with longer spacer 1,6-bis(imidazol-1-yl)hexane, terephthalate ions and zinc(II) ions formed five-fold interpenetrated metal-organic framework also with dia topology, while cadmium(II) ions with the same ligands formed eight-connected uninodal net with a very rare self-penetrated topological type ilc and a point symbol 424 .5.63. The influence of the chemical composition of MOFs on their photoluminescent properties is investigated and discussed in detail.

AB - New metal-organic frameworks (MOFs) based on zinc and cadmium ions, terephthalic acid, and flexible ligands 1,5-bis(imidazol-1-yl)pentane or 1,6-bis(imidazol-1-yl)hexane were prepared and characterized by X-ray diffraction, thermorgavimetric analysis and IR spectroscopy. The imidazolyl ligands were prepared by a new robust procedure involving the reaction between imidazole and 1,5-dibromopentane or 1,6-dibromohexane in a superbasic medium (KOH in DMSO). MOFs based on 1,5-bis(imidazol-1-yl)pentane had diamond topology (dia) and are triply interpenetrated. Ligands with longer spacer 1,6-bis(imidazol-1-yl)hexane, terephthalate ions and zinc(II) ions formed five-fold interpenetrated metal-organic framework also with dia topology, while cadmium(II) ions with the same ligands formed eight-connected uninodal net with a very rare self-penetrated topological type ilc and a point symbol 424 .5.63. The influence of the chemical composition of MOFs on their photoluminescent properties is investigated and discussed in detail.

KW - Bis(imidazol-1-yl)alkanes

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KW - Flexible ligands

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Synthesis, crystal structure, and luminescent properties of new zinc(II) and cadmium(II) metal-organic frameworks based on flexible bis(imidazol-1-yl)alkane ligands

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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