Investigation of New Ionic Plastic Crystals in Tetraalkylammonium Tetrabuthylborate-Reference-Cited by-同舟云学术

Investigation of New Ionic Plastic Crystals in Tetraalkylammonium Tetrabuthylborate

Published:2014-06-02 Issue:8-9 Volume:69 Page:433-440
ISSN:1865-7109
Container-title:Zeitschrift für Naturforschung A
language:en
Short-container-title:

Author:

Hayasaki Tomoyuki¹,Hirakawa Satoru²,Honda Hisashi³

Affiliation:

1. Graduate School of Nanobioscience, Yokohama City University, Kanazawa-ku, Yokohama, 236-0027, Japan

2. International College of Arts and Sciences, Yokohama City University, Kanazawa-ku, Yokohama, 236-0027, Japan

3. Graduate School of Nanobioscience, Yokohama City University, Kanazawa-ku, Yokohama, 236-0027, Japan / International College of Arts and Sciences, Yokohama City University, Kanazawa-ku, Yokohama, 236-0027, Japan

Abstract

New plastic crystals of NEt3PrBBu4 and NEt2Pr2BBu4 were formed in a new region of ionic plastic crystal. In this area, globular cations and anions are assembled by weak interactions. Differential scanning calorimeter (DSC) measurements of these salts showed a low entropy change of 19:6 and 14:0 JK-1 mol-1 at each melting point, respectively. On the basis of solid-state 1H and 13C nuclear magnetic resonance (NMR) spectra and electrical conductivity measurements, isotropic reorientation and ion transfer of globular cations and anions were detected in these crystals. The other compounds of NEt x Me(4-x)BBu4 (x = 1 - 3) showed tumbling motions and low activation energies of self-diffusion in crystals

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics

Link

https://www.degruyter.com/document/doi/10.5560/zna.2014-0029/pdf

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