Quadridentate nitrogen donor ligands acting as bridging di-bidentates; X-ray crystal and molecular structure of [Ag2{µ-(R)(S)-1,2-[(2-C5H4N)-C(H)N]2-cyclohexane}2][O3SCF3]2and the observation of3J(107,109Ag-1H) in the1H n.m.r. spectrum of the dinuclear [Ag2L2]2+cation

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Abstract
The quadridentate N-donor ligands (R)(S)-1,2-[(6-R-2-C5H3N)C(H)N]2–cyclohexane (R = H, Me), upon reaction with [M(O3SCF3)](M = AgI or CuI), behave as bridging di-bidentate ligands to form dimeric complexes such as the title complex for which an X-ray crystal structure was obtained; 3J(107,109Ag-1H) is observed in the 1H n.m.r. spectra of the dinuclear [Ag2L2]2+ cations.