Pressure-induced phase transitions in crystalline L-serine studied by single-crystal and high-resolution powder X-ray diffraction

被引：79

作者：

Boldyreva, E. V.

Sowa, H.

Seryotkin, Yu. V.

Drebushchak, T. N.

Ahsbahs, H.

Chernyshev, V.

Dmitriev, V.

机构：

[1] Novosibirsk State Univ, Novosibirsk 630090, Russia

[2] RAS, Inst Solid State Chem & Mechanochem SB, Novosibirsk 630128, Russia

[3] Univ Marburg, D-35032 Marburg, Germany

[4] RAS, Inst Geol & Mineral SB, Novosibirsk 630090, Russia

[5] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119899, Russia

[6] Swiss Norwegian Beamlines, ESRF, F-38043 Grenoble, France

来源：

CHEMICAL PHYSICS LETTERS | 2006年 / 429卷 / 4-6期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1016/j.cplett.2006.08.092

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pressure induces two isosymmetric reversible polymorphic transitions in L-serine related to a junipwise change in the hydrogen bond networks and the conformation of the zwitter-ions. Single-crystal X-ray diffraction in situ allowed to find the structure of L-serine III at 8.0 GPa (the phase was previously reported based on Raman spectra [Kolesnik et al., Doklady Chem. 404 (2005) 169]). High-resolution X-ray powder diffraction data with a synchrotron radiation source suggest the formation of a superstructure with a and c parameters tripled as compared with the single-crystal model. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：474 / 478

页数：5

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