Published October 9, 1996
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Emission Spectroscopic Properties of the Red Form of Dichloro(2,2'-bipyridine)platinum(II). Role of Intermolecular Stacking Interactions
Chicago
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Abstract
The structure of the red form of Pt(bpy)Cl_2 (bpy = 2,2'-bipyridine) has been studied by variable-temperature X-ray crystallography. The stack of square-planar Pt(bpy)Cl_2 units in the linear-chain material contracts with decreasing temperature; in the interval between 294 and 20 K, the platinum−platinum distance shortens from 3.449(1) to 3.370(2) Å. Both absorption and emission spectra of the red compound depend strikingly on temperature; as previously found for tetracyanoplatinate salts, the emission maximum red-shifts as the temperature drops (613 nm at 300 K; 651 nm at 10 K), with the peak energy decreasing linearly with the inverse cube of the metal−metal separation.
Additional Information
© 1996 American Chemical Society. Received May 9, 1996; Publication Date (Web): October 9, 1996. We thank K. I. Hardcastle, V. M. Miskowski, and V. Schomaker for helpful discussions and expert technical assistance. This work was supported by the NSF.Attached Files
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Additional details
- Eprint ID
- 73672
- DOI
- 10.1021/ic960511f
- Resolver ID
- CaltechAUTHORS:20170124-140126469
- NSF
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2017-01-26Created from EPrint's datestamp field
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