Deuterium Solid State NMR Studies of Pyridine Intercalation Compounds

A quadrupole echo deuterium NMR lineshape study on polycrystalline samples of perdeuterated pyridine and selectively deuterated d$\sb2$-pyridine intercalated into 2H-TaS$\sb2$ was performed between 280K and 393K. The powder pattern lineshapes above 333K show signs of motional narrowing. A short spin-lattice relaxation (T$\sb1$) component, attributed to the motionally narrowed lineshape component, showed a sharp decrease corresponding with their appearance in the lineshape. The narrowing motion was found to be rapid rotational diffusion of the pyridine molecule about an axis perpendicular to the C$\sb2$ symmetry axis and parallel to the molecular plane. The orientation of the pyridine in the van der Waals gap is also proposed.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Chemistry

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2014

Author dc:creator

• McDaniel, Paula LaRayne

Contributors dc:contributor

• Jonas, Jiri

• Chemistry, Physical

Identifier

(UMI)AAI8908773

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/70428