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Interligand transmetallic charge-transfer transitions in mixed-ligand chelates

✍ Scribed by Vaughn J. Koester

Book ID
103015253
Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
864 KB
Volume
32
Category
Article
ISSN
0009-2614

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✦ Synopsis

In chelates of divalent zinc which have t&o differcnr aromatic liwds, a new absorption band is observed in the ViCiile region. This new band is interpreted as kisikig from o H --* 7~?interligznd &nsmetaHic cbge-transfer (LTCIJ transition. The nature of this type of chargertransfer transition in a chelate molecule, using B moIecular orbital model, is examined. Experimental results for the che!ates (3,4-tolnenedithiolaatb)(l,lO-phenznthro$ne)zinc(II), (3,4_toluenedithiolato)(2,2'~ipyridyl)zd '(3,4-tbluenedithiolnto)(2,2'-biquinoline)zinc~~ are presented.

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Charge-transfer transitions in CuCU42βˆ’ a
Charge-transfer transitions in CuCU42βˆ’ and CuBr42βˆ’ complexes: dependence on the metal-ligand distance
✍ J.A. Aramburu; M. Moreno; A. Bencini πŸ“‚ Article πŸ“… 1987 πŸ› Elsevier Science 🌐 English βš– 614 KB

Charge-transfer (CT) transitions in CuCI$-and CuBr:-are studied through SCF MS Xo calculations (using overlapping spheres and the Norman procedure) at different values of the metal-ligand distance, R. The calculated values of three CT transitions agree with experiment for CuCl:-and explain the blue-