A Nuclear Magnetic Relaxation Study of Linear Molecules in Isotropic and Liquid Crystal Solvents |
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14N linewidths 5VDC anisotropic audio oscillator axis C₁ calculated CALIFORN carbons Chem chemical shift chemical shift anisotropy correlation function corresponding coupling constant cyanoacetylene cyanoacetylene in toluene cyanoacetylene-d densities of motion density matrix described DIEGO SAN DIEGO UNIVERSITY diode dipolar double quantum coherence elements ellipsoid equations equilibrium experimentally flip flop frequency Hamiltonian hydrocarbon solvents hydrodynamic interaction isotropic isotropic liquids J₂ 2wo linear lines liquid crystal liquid crystal system magnetic measured microviscosity mole molecules N.M. Szeverenyi nematic nematic liquid Nematic Phase nematic solvent NMR experiment nuclear observed obtained order parameter Phys protonated quadrupole quadrupole coupling constant quadrupole splitting quantum coherence R₁ R₂ relaxation rate reorientation of cyanoacetylene RSITY sampling pulse SAN DIEGO LIBRARY signal single quantum slip solutions of cyanoacetylene solvent spectral densities spherical harmonics T₁ Table temperature dependence toluene tube UNIVE UNIVERSITY DIEGO viscometer viscosity Vold