Crystal packing, steric effects, and heteroatoms: Comparison of N,N-dimethylpyrrolidinium, piperidinium, and morpholinium iodide salts

Wesley A. Henderson, Victor G Young, Paul Fylstra, Hugh C. De Long, Paul C. Trulove

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

N,N-Dimethylpiperidinium iodide (PIP11I) has P21/n symmetry at -150 °C. The crystal packing of the ions of PIP11I is compared with that reported for N,N-dimethylpyrrolidinium iodide (PYR 11I) and N,N-dimethylmorpholinium iodide (MORP11I). Despite the differences in cation structure, PYR11I and PIP 11I have essentially identical ion crystal packing. This is not the case, however, for PIP11I and MORP11I. The phase behavior and thermal stability of the three salts have also been compared to examine the influence of crystal packing on thermal properties.

Original languageEnglish (US)
Pages (from-to)1645-1648
Number of pages4
JournalCrystal Growth and Design
Volume6
Issue number7
DOIs
StatePublished - Jul 1 2006

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