AI Article Synopsis
- This study focuses on the synthesis and characterization of the magnetic and thermodynamic properties of quasi one-dimensional organic-inorganic hybrid materials known as ANiCl compounds.
- The crystal structure of one specific compound, (CH)NHNiCl, is described, highlighting chains of face-sharing NiCl octahedra arranged in a triangular pattern.
- The research identifies a relationship between the Ni-Cl-Ni angle and magnetic coupling within the chains, showing that a smaller angle leads to stronger antiferromagnetic interactions.
Article Abstract
We synthesize and characterize the magnetic and thermodynamic properties of the quasi one-dimensional organic-inorganic hybrid ANiCl compounds [A = N(CH), CHNH, (CH)NH, C(NH), and CH(NH)]. Additionally, the crystal structure of (CH)NHNiCl is reported. These materials possess chains of face-sharing NiCl octahedra in a triangular array. The chains run in one direction and are separated from one another by organic cations of different sizes and geometries. In accordance with the 90° superexchange model, we find that the nature of the magnetic coupling within chains can be predicted by the value of the Ni-Cl-Ni angle. As the Ni-Cl-Ni angle decreases from 90°, the magnetic interactions become increasingly antiferromagnetic. These findings provide a foundation for predicting the magnetic properties of quasi one-dimensional organic-inorganic hybrid ANiCl compounds.
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| http://dx.doi.org/10.1021/acs.inorgchem.2c01331 | DOI Listing |
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