L-serine picrates

B. A. Zakharov, V. V. Ghazaryan, E. V. Boldyreva, A. M. Petrosyan

Результат исследования: Научные публикации в периодических изданияхстатья

3 Цитирования (Scopus)

Аннотация

Two crystalline salts have been obtained from the system l-serine - picric acid - H2O: l-serinium picrate monohydrate (I) and tris(l-serine) bis(l-serinium) dipicrate trihydrate (II). The salt (I) crystallizes in monoclinic system (space group P21, Z = 4). Asymmetric unit of (I) contains two formula units. Carboxyl groups of both l-serinium cations form hydrogen bonds with picrate anions with O···O distances: 2.595 (6) Å and 2.638 (5) Å. The salt (II) crystallizes in orthorhombic system (space group P212121, Z = 4). Asymmetric unit of (II) contains one formula unit. Carboxyl groups of both l-serinium cations form short O-H···O hydrogen bonds with two of three zwitterionic moieties, forming two dimeric (l-serine l-serinium) cations with O···O distances: 2.485 (3) Å and 2.487 (3) Å. The infrared and Raman spectra of obtained salts are recorded and discussed.

Язык оригиналаанглийский
Страницы (с-по)255-263
Число страниц9
ЖурналJournal of Molecular Structure
Том1100
DOI
СостояниеОпубликовано - 11 авг 2015

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