Metal-organic frameworks based on magnesium(ii): adsorption and luminescence properties
- Autores: Lysova A.1,2, Samsonenko D.1,2, Kovalenko K.1,2, Dybtsev D.1,2, Fedin V.1,2
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Afiliações:
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences
- Novosibirsk State University
- Edição: Volume 68, Nº 4 (2019)
- Páginas: 793-801
- Seção: Full Article
- URL: https://journals.rcsi.science/1066-5285/article/view/243348
- DOI: https://doi.org/10.1007/s11172-019-2487-2
- ID: 243348
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Resumo
Two new metal-organic frameworks based on magnesium(ii) ions, [Mg4(bdc)3(dma)6(NO3)2]•DMA (1; bdc is 1,4-benzenedicarboxylate; dma, DMA is N,N-dimethylacetamide) and [Mg3(bpdc)3(nmp)4] (2; bpdc is 4,4´-biphenyldicarboxylate; nmp is N-methylpyrrolidone), were synthesized in DMA or NMP, respectively. According to the single-crystal X-ray diffraction data, compound 1 is built of binuclear carboxylate units {Mg2(O2CR)3}, which were previously not observed in metal-organic frameworks. Compound 2 is based on trinuclear carb oxylate units {Mg3(O2CR)6}. Compound 1 has a layered structure (hcb topology), whereas compound 2 has a distorted three-dimensional cubic structure (pcu topology). The phase purity and chemical identity of the compounds were confirmed by IR spectroscopy, thermogravimetry, elemental analysis, and powder X-ray diffraction. Photoluminescence properties of both compounds are indicative of intraligand charge-transfer transitions of one (for 1) or two (for 2) types. Textural characteristics of an activated sample of 1 were measured by nitrogen and hydrogen adsorption at 77 K and by carbon dioxide adsorption at 195 K.
Sobre autores
A. Lysova
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
Email: cluster@niic.nsc.ru
Rússia, 3 prosp. Akad. Lavrentieva, Novosibirsk, 630090; 2 ul. Pirogova, Novosibirsk, 630090
D. Samsonenko
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
Email: cluster@niic.nsc.ru
Rússia, 3 prosp. Akad. Lavrentieva, Novosibirsk, 630090; 2 ul. Pirogova, Novosibirsk, 630090
K. Kovalenko
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
Email: cluster@niic.nsc.ru
Rússia, 3 prosp. Akad. Lavrentieva, Novosibirsk, 630090; 2 ul. Pirogova, Novosibirsk, 630090
D. Dybtsev
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
Email: cluster@niic.nsc.ru
Rússia, 3 prosp. Akad. Lavrentieva, Novosibirsk, 630090; 2 ul. Pirogova, Novosibirsk, 630090
V. Fedin
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences; Novosibirsk State University
Autor responsável pela correspondência
Email: cluster@niic.nsc.ru
Rússia, 3 prosp. Akad. Lavrentieva, Novosibirsk, 630090; 2 ul. Pirogova, Novosibirsk, 630090