Low-temperature phase transition in glycine-glutaric acid co-crystals studied by single-crystal X-ray diffraction, Raman spectroscopy and differential scanning calorimetry

Standard

Low-temperature phase transition in glycine-glutaric acid co-crystals studied by single-crystal X-ray diffraction, Raman spectroscopy and differential scanning calorimetry. / Zakharov, Boris A.; Losev, Evgeniy A.; Kolesov, Boris A. и др.

в: Acta Crystallographica Section B: Structural Science, Том 68, № 3, 01.05.2012, стр. 287-296.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{9d4e959fea7f4ba18a926be0dc573505,

title = "Low-temperature phase transition in glycine-glutaric acid co-crystals studied by single-crystal X-ray diffraction, Raman spectroscopy and differential scanning calorimetry",

abstract = "The occurrence of a first-order reversible phase transition in glycine-glutaric acid co-crystals at 220-230 K has been confirmed by three different techniques - single-crystal X-ray diffraction, polarized Raman spectroscopy and differential scanning calorimetry. The most interesting feature of this phase transition is that every second glutaric acid molecule changes its conformation, and this fact results in the space-group symmetry change from P21/c to . The topology of the hydrogen-bonded motifs remains almost the same and hydrogen bonds do not switch to other atoms, although the hydrogen bond lengths do change and some of the bonds become inequivalent.",

keywords = "amino acid co-crystals, conformational polymorphism, hydrogen bonds, phase transition, single-crystal to single-crystal transformation",

author = "Zakharov, {Boris A.} and Losev, {Evgeniy A.} and Kolesov, {Boris A.} and Drebushchak, {Valeri A.} and Boldyreva, {Elena V.}",

year = "2012",

month = may,

day = "1",

doi = "10.1107/S0108768112015972",

language = "English",

volume = "68",

pages = "287--296",

journal = "Acta Crystallographica Section B: Structural Science",

issn = "0108-7681",

publisher = "Wiley-Blackwell",

number = "3",

}

RIS

TY - JOUR

T1 - Low-temperature phase transition in glycine-glutaric acid co-crystals studied by single-crystal X-ray diffraction, Raman spectroscopy and differential scanning calorimetry

AU - Zakharov, Boris A.

AU - Losev, Evgeniy A.

AU - Kolesov, Boris A.

AU - Drebushchak, Valeri A.

AU - Boldyreva, Elena V.

PY - 2012/5/1

Y1 - 2012/5/1

N2 - The occurrence of a first-order reversible phase transition in glycine-glutaric acid co-crystals at 220-230 K has been confirmed by three different techniques - single-crystal X-ray diffraction, polarized Raman spectroscopy and differential scanning calorimetry. The most interesting feature of this phase transition is that every second glutaric acid molecule changes its conformation, and this fact results in the space-group symmetry change from P21/c to . The topology of the hydrogen-bonded motifs remains almost the same and hydrogen bonds do not switch to other atoms, although the hydrogen bond lengths do change and some of the bonds become inequivalent.

AB - The occurrence of a first-order reversible phase transition in glycine-glutaric acid co-crystals at 220-230 K has been confirmed by three different techniques - single-crystal X-ray diffraction, polarized Raman spectroscopy and differential scanning calorimetry. The most interesting feature of this phase transition is that every second glutaric acid molecule changes its conformation, and this fact results in the space-group symmetry change from P21/c to . The topology of the hydrogen-bonded motifs remains almost the same and hydrogen bonds do not switch to other atoms, although the hydrogen bond lengths do change and some of the bonds become inequivalent.

KW - amino acid co-crystals

KW - conformational polymorphism

KW - hydrogen bonds

KW - phase transition

KW - single-crystal to single-crystal transformation

UR - http://www.scopus.com/inward/record.url?scp=84861412624&partnerID=8YFLogxK

U2 - 10.1107/S0108768112015972

DO - 10.1107/S0108768112015972

M3 - Article

C2 - 22610679

AN - SCOPUS:84861412624

VL - 68

SP - 287

EP - 296

JO - Acta Crystallographica Section B: Structural Science

JF - Acta Crystallographica Section B: Structural Science

SN - 0108-7681

IS - 3

ER -

ID: 23333193