Formation of luminescent, bent Ir-TI-Ir and Ir-Pb-Ir chains through the binding of thallium(I) and lead(II) to the iridium metallomacrocycle Ir2(CO)2Cl2) -(Ph2PCH2)2AsPh)2
Considerable attention has recently been focused on the photochemical and photophysical properties of a number of luminescent binuclear transition-metal complexes. Much of this work has concerned dimeric planar complexes with a dY electronic configuration where a d p electronic transition is involved in the novel photolytic behavior. Here the authors report their observations of the formation of new trinuclear complexes that are luminescent in solution at room temperature. These involve binding of simple thallium(I) and lead(II) ions by the metallomacrocycle Ir2-(CO)2Cl2( -dpma)2, 1 (dpma is bis(diphenylphosphinomethyl)phenylarsine), which contains two planar dY Ir(I) ions. previous studies have demonstrated that this type of metallomacrocycle is capable of binding a variety of transition-metal ions in the central cavity of with the arsenic atoms playing an important role in coordination of the added metal ion. However the binding of the main-group ions, thallium(I) and lead (II), is wholly unprecendented.
- Research Organization:
- Univ. of California, Davis
- OSTI ID:
- 6163669
- Journal Information:
- J. Am. Chem. Soc.; (United States), Vol. 109:13
- Country of Publication:
- United States
- Language:
- English
Similar Records
Photochemical activation and reactivity of polynuclear transition metal complex molecules. Final report
Electronically-coupled redox centers in trimetallic cobalt complexes
Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
CARBONYLS
CHEMICAL PREPARATION
LUMINESCENCE
PHOTOCHEMISTRY
IRIDIUM COMPLEXES
LEAD COMPLEXES
ORGANIC PHOSPHORUS COMPOUNDS
PHOSPHINES
THALLIUM COMPLEXES
ABSORPTION SPECTROSCOPY
EMISSION SPECTROSCOPY
EXPERIMENTAL DATA
CHEMISTRY
COMPLEXES
DATA
INFORMATION
NUMERICAL DATA
ORGANIC COMPOUNDS
PHOSPHORUS COMPOUNDS
SPECTROSCOPY
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
400500* - Photochemistry