STRUCTURAL FEATURES OF HYDROGEN- BONDED ORGANIC FRAMEWORKS BASED ON NICKEL(II) 5,10,15,20-TETRAKIS(4- PHOSPHONATOPHENYL)PORPHYRINATE

Sinelshchikova, A.A.; Enakieva, Y.Y.; Grigoriev, M.S.; Gorbunova, Y.G.

Авторы: Sinelshchikova A.A., Enakieva Yu Yu, Grigoriev M.S., Gorbunova Yu G.
Журнал: Journal of Structural Chemistry
Том: 63
Номер: 6
Год издания: 2022
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 874
Последняя страница: 884
DOI: 10.1134/s002247662206004x
Аннотация: Two hydrogen-bonded organic frameworks of the composition [((CH3)2NH2)3.5(Ni-H4.5TPPP)]⋅DMF⋅H2O (1) and [((CH3)2NH2)4(Ni-H4TPPP)(H2O)3]⋅DMF⋅H2O (2) (Ni-HxTPPP is nickel(II) 5,10,15,20-tetrakis(4- phosphonatophenyl)porphyrinate, x is the number of protons of phosphonate groups, DMF is N,N- dimethylformamide) are obtained by crystallization of nickel(II) phosphonatophenylporphyrinate under solvothermal conditions. Crystal structures of 1 and 2 are determined by the single crystal X-ray diffraction analysis. Both frameworks are shown to be stabilized by the formation of numerous intermolecular hydrogen bonds. Partial deprotonation of phosphonate groups causes the formation of anionic frameworks whose charge is compensated by the presence of dimethylammonium cations being solvent destruction products. The system of hydrogen bonds in frameworks 1 and 2 is represented by 2D layers in the ab plane going parallel to open 1D channels. It is established that the occurrence of lattice water in framework 2 leads to an increase in the number of hydrogen bonds and bonding types of porphyrin phosphonate groups, which can affect the proton-conductive properties of the material.
Добавил в систему: Енакиева Юлия Юрьевна

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STRUCTURAL FEATURES OF HYDROGEN- BONDED ORGANIC FRAMEWORKS BASED ON NICKEL(II) 5,10,15,20-TETRAKIS(4- PHOSPHONATOPHENYL)PORPHYRINATEстатья

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