The differential Biot-Savart law provides simple models for the pi ring currents induced in diatropic and paratropic planar conjugated molecules by a perpendicular magnetic field. The model predictions are confirmed by ab initio maps of nuclear magnetic shielding density. The effects on the protons and on the ring carbon atoms from the closest and furthest segments of the current loop are easily interpreted.
Ring-current models from the differential Biot-Savart law / S., Pelloni; Ligabue, Andrea; Lazzeretti, Paolo. - In: ORGANIC LETTERS. - ISSN 1523-7060. - STAMPA. - 6:24(2004), pp. 4451-4454. [10.1021/ol048332m]
Ring-current models from the differential Biot-Savart law
LIGABUE, Andrea;LAZZERETTI, Paolo
2004-01-01
Abstract
The differential Biot-Savart law provides simple models for the pi ring currents induced in diatropic and paratropic planar conjugated molecules by a perpendicular magnetic field. The model predictions are confirmed by ab initio maps of nuclear magnetic shielding density. The effects on the protons and on the ring carbon atoms from the closest and furthest segments of the current loop are easily interpreted.
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