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A luminescent heterometallic dirhodium-silver chain
Alan F Heyduk1, David J Krodel, Emily E Meyer
1Department of Chemistry 6-335, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139-4307, USA.
Inorganic Chemistry
|February 19, 2002
Summary
A novel 1D heterometallic chain containing rhodium and silver was synthesized. This new compound exhibits unique solid-state spectroscopic properties, including temperature-dependent luminescence.
Area of Science:
- Coordination Chemistry
- Materials Science
- Solid-State Chemistry
Background:
- Heterometallic chains are of interest for their unique electronic and optical properties.
- The synthesis of novel coordination polymers with specific structural motifs is an active area of research.
Purpose of the Study:
- To synthesize and characterize a novel one-dimensional (1D) heterometallic chain complex.
- To investigate the solid-state spectroscopic properties of the newly synthesized compound.
Main Methods:
- In situ reaction of [ClRh(cod)](2) with [Ag(MeCN)(4)][PF(6)] and dfpma (bis(difluorophosphine)methylamine).
- Crystallization from MeCN/Et(2)O solutions to obtain dichroic crystals.
- X-ray diffraction studies for structural elucidation.
Main Results:
- A novel 1D heterometallic chain, [[Rh(2)(dfpma)(2)(MeCN)(4)](2)[Ag(MeCN)(4)]][PF(6)](5) (1), was successfully synthesized.
- X-ray diffraction confirmed the structure, revealing an asymmetric unit with Rh(I)(2) dimers and a Ag(I) cation propagating into a 1D chain.
- The compound crystallizes in the monoclinic space group C2/m.
Conclusions:
- The synthesis of compound 1 represents a new example of a 1D heterometallic chain.
- The compound displays interesting spectroscopic properties in the solid state, including temperature-dependent luminescence, suggesting potential applications in optical materials.