Effect of solution acidity on the structure of amino acid-bearing uranyl compounds

Evgeny V. Nazarchuk, Yuri A. Ikhalaynen, Dmitri O. Charkin, Oleg I. Siidra, Vladimir G. Petrov, Stepan N. Kalmykov, Artem S. Borisov

Результат исследований: Научные публикации в периодических изданияхстатья

1 цитирование (Scopus)

Выдержка

A series of uranyl sulfates and selenates templated by protonated forms of amino acids (glycine, α- and β-alanine, threonine, nicotinic, and isonicotinic acid) has been prepared via isothermal evaporation of strongly acidic solutions. Their structures have been refined by the direct methods and can be classified as inorganic [(UO 2 ) m (TO 4 ) n (H 2 O) k ] (T=S 6+ , Se 6+ ) moieties combined with the protonated amino acid cations, water molecules and hydronium ions. Their overall motifs demonstrate common features with related structures templated by organic amines. The role of carboxylic acid groups depends on the nature of the corresponding amino acid. They can either link two protonated organic moieties into dimers, or contribute to hydrogen bonding between organic and inorganic parts of the structure. The ammonium ends of the amino acid cations form strong directional bonds to the oxygens of the uranyl and TO 4 anions.

Язык оригиналаанглийский
Страницы (с-по)311-325
ЖурналRadiochimica Acta
Том107
Номер выпуска4
DOI
СостояниеОпубликовано - 1 апр 2019

Отпечаток

Bearings (structural)
Acidity
acidity
amino acids
Amino Acids
acids
Cations
Isonicotinic Acids
Selenic Acid
nicotinic acid
hydronium ions
cations
alanine
Threonine
glycine
Carboxylic Acids
Ammonium Compounds
carboxylic acids
Alanine
Dimers

Предметные области Scopus

  • Физическая и теоретическая химия

Цитировать

Nazarchuk, Evgeny V. ; Ikhalaynen, Yuri A. ; Charkin, Dmitri O. ; Siidra, Oleg I. ; Petrov, Vladimir G. ; Kalmykov, Stepan N. ; Borisov, Artem S. / Effect of solution acidity on the structure of amino acid-bearing uranyl compounds. В: Radiochimica Acta. 2019 ; Том 107, № 4. стр. 311-325.
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Effect of solution acidity on the structure of amino acid-bearing uranyl compounds. / Nazarchuk, Evgeny V.; Ikhalaynen, Yuri A.; Charkin, Dmitri O.; Siidra, Oleg I.; Petrov, Vladimir G.; Kalmykov, Stepan N.; Borisov, Artem S.

В: Radiochimica Acta, Том 107, № 4, 01.04.2019, стр. 311-325.

Результат исследований: Научные публикации в периодических изданияхстатья

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AU - Charkin, Dmitri O.

AU - Siidra, Oleg I.

AU - Petrov, Vladimir G.

AU - Kalmykov, Stepan N.

AU - Borisov, Artem S.

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N2 - A series of uranyl sulfates and selenates templated by protonated forms of amino acids (glycine, α- and β-alanine, threonine, nicotinic, and isonicotinic acid) has been prepared via isothermal evaporation of strongly acidic solutions. Their structures have been refined by the direct methods and can be classified as inorganic [(UO 2 ) m (TO 4 ) n (H 2 O) k ] (T=S 6+ , Se 6+ ) moieties combined with the protonated amino acid cations, water molecules and hydronium ions. Their overall motifs demonstrate common features with related structures templated by organic amines. The role of carboxylic acid groups depends on the nature of the corresponding amino acid. They can either link two protonated organic moieties into dimers, or contribute to hydrogen bonding between organic and inorganic parts of the structure. The ammonium ends of the amino acid cations form strong directional bonds to the oxygens of the uranyl and TO 4 anions.

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