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133Cs-Kernresonanz in Cs2 MX4-Kristallen

  • The nuclear magnetic resonance of 133Cs (I=7/2) has been studied at room temperature in the isostructural compounds Cs2CuCl4, Cs2CuBr4, Cs2CoCl4 and Cs2ZnCl4. The nuclear quadrupole coupling tensors and the magnetic shift tensors have been determined at the two inequivalent sites of the unit cell for all complexes. A satisfactory description of the quadrupole coupling (νq ≲ 20 kc) with a point charge model is only possible by reducing the charge on the central ion of the MX4 tetrahedron to +1-1. Large isotropic shifts (up to 0.5%) with smaller anisotropic contributions have been found in the paramagnetic compounds. The diamagnetic Cs2ZnCl4 shows shift up to 0.03% relative to CsCl.

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Metadaten
Author:Hermann HartmannGND, Wolfgang Strehlow, H. Haas
URN:urn:nbn:de:hebis:30:3-740652
DOI:https://doi.org/10.1515/zna-1968-1221
ISSN:1865-7109
Parent Title (German):Zeitschrift für Naturforschung, A
Publisher:Verlag der Zeitschrift für Naturforschung
Place of publication:Tübingen
Document Type:Article
Language:German
Date of Publication (online):2014/06/02
Year of first Publication:1968
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2024/02/08
Volume:23.1968
Issue:12
Page Number:6
First Page:2029
Last Page:2034
Institutes:Biochemie, Chemie und Pharmazie / Biochemie und Chemie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0