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Hyperpolarized Xenon for NMR and MRI Applications
Published on: September 6, 2012
Through-space magnetic response of noble gases
1Facultad de Ingeniería, Universidad San Sebastián, Bellavista 7, Santiago, 8420524, Chile. alvaro.munozc@uss.cl.
Abstract:
Noble gases remain a paramount notion of stability, guiding chemistry across the periodic table. In this letter, we describe the through-space magnetic behavior of noble gases from He to Rn, indicating an increasing averaged shielding region, which leads to long-range shielding with a complementary deshielding region under specific orientations of the external field, as a consequence of the electronic shell closure at the end of each period. Such behavior resembles the shielding cone, inherent to planar and spherical aromatic species, and suggests a fundamental origin of this behavior.
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