Non‐Spherical Ion Dynamics and Rotational Diffusion for Imidazolium Based Ionic Liquids | Zendy

Driver Gordon W. | Zendy; Ingman Petri | Zendy

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Non‐Spherical Ion Dynamics and Rotational Diffusion for Imidazolium Based Ionic Liquids

Author(s) -

Driver Gordon W.,

Ingman Petri

Publication year - 2011

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.201000990

Subject(s) - ionic liquid , chemistry , relaxation (psychology) , chemical physics , solvation , rotational diffusion , ion , context (archaeology) , diffusion , computational chemistry , thermodynamics , organic chemistry , physics , molecule , catalysis , psychology , social psychology , paleontology , biology

Just relax! T 1 NMR relaxation data in the extreme narrowing regime are presented for the planar asymmetric 3‐methyl‐1 H ‐imidazolium cation of the [Hmim]Br ionic liquid. An analytical procedure employing the relaxation data is reported, yielding the diagonalised rotational diffusion tensor. The eigenvalues of the diffusion tensor represent the rotational diffusion constants, D x , D y and D ⊥ , which serve to describe the reorientational motions of the [Hmim] + cation.

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