Accession Number : AD0737484

Title :   Proton Rotating Frame Relaxation in Lithium Hydrazinium Sulfate, Li(N2H5)SO4,

Corporate Author : WATERLOO UNIV (ONTARIO) DEPT OF PHYSICS

Personal Author(s) : Knispel,R. R. ; Petch,H. E.

Report Date : 05 NOV 1970

Pagination or Media Count : 9

Abstract : The temperature dependence of the rotating frame relaxation time T(1 rho) for protons in powdered lithium hydrazinium sulfate, Li(N2H5)SO4, has been determined from 140 to 495K. These measurements indicate that the -NH2 part of the N2H5(+) ion executes 180 deg flips about the bisectrix of the H-N-H angle. Evidence for motion of the entire N2H5(+) ion was also obtained. Separate reorientation and diffusion motions of the N2H5(+) ion could not be distinguished, although evidence that the N2H5(+) motion detected in the T(1 rho) measurements includes diffusion is obtained by comparing the T(1 rho) results with the temperature dependence of the proton second moment. (Author)

Descriptors :   (*HYDRAZINE DERIVATIVES, *NUCLEAR MAGNETIC RESONANCE), CHEMICAL BONDS, RELAXATION TIME, LITHIUM COMPOUNDS, SULFATES, IONS, DEUTERIUM COMPOUNDS, CANADA

Subject Categories : Physical Chemistry
      Solid State Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE