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Updated: Dec 11, 2025

Line Shape Analysis of Dynamic NMR Spectra for Characterizing Coordination Sphere Rearrangements at a Chiral Rhenium Polyhydride Complex

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Published on: July 27, 2022

Heteronuclear Dirhodium-Gold Anionic Complexes: Polymeric Chains and Discrete Units.

Estefania Fernandez-Bartolome¹, Paula Cruz¹, Laura Abad Galán¹

¹Departamento de Química Inorgánica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Ciudad Universitaria, E-28040 Madrid, Spain.

|August 23, 2020

Summary

This study synthesizes novel tetracarboxylatodirhodium(II) complexes and their one-dimensional polymers with gold cyanide. Structural analysis reveals wavy chains in polymeric forms, with no significant influence from gold or silver on solid-state arrangement.

Keywords:

coordination polymers dicyano-aurate complexes dirhodium(II) compounds heteronuclear one-dimensional rhodium-gold anionic chains

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High Resolution Physical Characterization of Single Metallic Nanoparticles

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High Resolution Physical Characterization of Single Metallic Nanoparticles

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Area of Science:

Coordination Chemistry
Materials Science
Inorganic Chemistry

Background:

Dirhodium(II) tetracarboxylates are versatile precursors in coordination chemistry.
Metal-metal bonded complexes offer unique structural and electronic properties.

Purpose of the Study:

To synthesize and characterize new tetracarboxylatodirhodium(II) complexes and their polymeric derivatives.
To investigate the structural features and intermolecular interactions of these novel compounds.

Main Methods:

Metathesis reactions were employed for the synthesis of dirhodium(II) complexes.
X-ray crystallography was used for detailed structural characterization of the synthesized compounds.
Comparative analysis with related rhodium-silver complexes was performed.

Main Results:

Two new tetracarboxylatodirhodium(II) complexes, [Rh2(μ-O2CCH2OMe)4(THF)2] and [Rh2(μ-O2CC6H4-p-CMe3)4(H2O)2], were synthesized.
One-dimensional polymers and non-polymeric compounds involving dirhodium(II) units and gold cyanide anions were obtained.
Structural characterization revealed wavy chain structures in the polymeric compounds with specific Rh-Au-Rh and Rh-N-C bond angles.

Conclusions:

The synthesis of novel dirhodium(II) complexes and their polymeric gold cyanide derivatives was successful.
The solid-state structures of these complexes were elucidated, highlighting specific chain arrangements in polymeric forms.
The study found no significant influence of gold or silver on the solid-state arrangement of these types of complexes.