Nuclear Magnetic Relaxation in Solid Hydrogen

Nuclear Magnetic Resonance and Relaxation in Solid Hydrogen

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Properties of Solid Hydrogen. II. Theory of Nuclear Magnetic Resonance and Relaxation

Various NMR properties of solid H2 and D2 are studied, and the following results are obtained. The leading terms in the high-temperature expansion of the second moment M2(T) for H2 are M2(T)=M2(∞)+125/3 d2x(1−x) (βΓ)4 (1−2βΓ−415/64 βΓx), where M2(∞) is the Van Vleck term, Γ is the electric quadrupolequadrupole coupling constant, β≡1/kT, and x is the concentration of ( J=1) molecules. For H2, th...

Nuclear Magnetic Relaxation

Nuclear Magnetic Relaxation Dispersion in Protein Solutions

Bovine and human B erythrocyte carbonic anhydrases substituted with Co2+ cause an enhancement of the nuclear magnetic relaxation rate of solvent water protons (T1-l) at high pH that is decreased by the addition of carbonic anhydrase inhibitors such as azide and Ethoxzolamide. The part of T1-1 which can be inhibited by Ethoxzolamide is due to exchangeable protons located at the active site of th...

Solid State Nuclear Magnetic Resonance

In 2001, Mauri and Pickard introduced the gauge including projected augmented wave (GIPAW) method that enabled for the first time the calculation of all-electron NMR parameters in solids, i.e. accounting for periodic boundary conditions. The GIPAW method roots in the plane wave pseudopotential formalism of the density functional theory (DFT), and avoids the use of the cluster approximation. Thi...