Structure of Ammonium Hydrogen Succinate above and below the Phase Transition Around 170 K

A. Hirano, Yoshihiro Kubozono, H. Maeda, Hiroyuki Ishida, S. Kashino

Research output: Contribution to journalArticle

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Abstract

For crystals of ammonium hydrogen succinate it is known that the space group is P1̄ with Z = 2 at 293 K and the second-order phase transition occurs around 170 K. X-ray crystal structure analyses above and below 170 K have been carried out in order to study the change in mode of short hydrogen bonds between the hydrogen succinate ions. The space group was determined to be P1̄ at 150 and 190 K by structure analysis. No ordering of the H-atom positions in the short hydrogen bonds occurs by the phase transition. The hydrogen bonds show a decrease in the O⋯O distances with a decrease in temperature from 290 to 190 K, but no significant change in the geometries between 190 and 150 K. Disorder of the NH4 + ion is not observed at 297, 190 and 150 K. Significant change through the phase transition is found only in the geometry of one of the N-H⋯O hydrogen bonds between ammonium and hydrogen succinate ions.

Original languageEnglish
Pages (from-to)323-327
Number of pages5
JournalActa Crystallographica Section B: Structural Science
Volume52
Issue number2
Publication statusPublished - Apr 1 1996

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Phase Transition
Succinic Acid
Ammonium Compounds
Hydrogen
Hydrogen bonds
Phase transitions
hydrogen bonds
hydrogen
Ions
hydrogen ions
Protons
Geometry
geometry
Crystal structure
disorders
X rays
Atoms
Crystals
crystal structure
X-Rays

ASJC Scopus subject areas

  • Structural Biology
  • Condensed Matter Physics

Cite this

Structure of Ammonium Hydrogen Succinate above and below the Phase Transition Around 170 K. / Hirano, A.; Kubozono, Yoshihiro; Maeda, H.; Ishida, Hiroyuki; Kashino, S.

In: Acta Crystallographica Section B: Structural Science, Vol. 52, No. 2, 01.04.1996, p. 323-327.

Research output: Contribution to journalArticle

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