Temperature dependence of the primary donor triplet state g-tensor in photosynthetic reaction centers of Rhodobacter sphaeroides R-26 observed by transient 240 GHz electron paramagnetic resonance

Article Abstract:

The time-resolved 240 GHz EPR spectra of the primary donor triplet state (Super 3)P from photosynthetic reaction centers of Rhodobacter sphaeroides R-26.1 as a function of temperature in the range 10-230 K. The data allows the determination of the principal g-tensor values and principal axes directions of the (Super 3)P g-tensor with respect to its zero-field axes.

Electron donor-acceptor complexes

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Hyperfine sublevel correlation (HYSCORE) spectra for paramagnetic centers with nuclear spin 1=1 having isotropic hyperfine interactions

Article Abstract:

Hyperfine sublevel correlation (HYSCORE) spectra of paramagnetic centers and nuclear quadrupolar interactions (NQIs) of arbitrary strength have been considered. This is applied to estimate the spin of Hamiltonian parameters of the oxovanadium-EDTA complex.

Spectra, Nuclear spin

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Electron paramagnetic resonance study of weak exchange interactions between ions in a model system: Cu11Gly-Trp

Article Abstract:

A copper compound structure with peptide Gly-Trp belongs to the P212121 space group with Z=4. These magnitudes are studied on the basis of structural information about intervening long chemical paths.

Molecular structure, Metal ions, Structure

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