Production of platinum(III) by flash photolysis of PtCl6 2?

Wright, R. C.; Laurence, Gerald S.

doi:10.1039/c39720000132

Cited by 57 publications

(24 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The principal focus has been on the Pt IV Cl 6 2À complex. The main points investigated were the reaction intermediates [6][7][8][9][10][11][12], unusual aquation chain reactions [11,12] and the dramatic differences in the properties of the isoelectronic Pt IV Cl 6 2À and Pt IV Br 6 2À complexes [2,3].…”

Section: Introductionmentioning

confidence: 99%

Primary reactions in the photochemistry of hexahalide complexes of platinum group metals: A minireview

Glebov

Pozdnyakov

Plyusnin

et al. 2015

Journal of Photochemistry and Photobiology C: Photochemistry Re

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Primary reactions in the photochemistry of hexahalide complexes of platinum group metals: A minireview

Glebov

Pozdnyakov

Plyusnin

et al. 2015

Journal of Photochemistry and Photobiology C: Photochemistry Re

View full text Add to dashboard Cite

“…In some cases the overall photoreaction takes place in two consecutive le"-transfer steps. The photolysis of several Pt(IV) complexes such as [PtX^2 -with X = halogen yields Pt(III) intermediates which were detected by ESR spectroscopy [111] and flash photolysis [112,113]. However, it is also feasible that Pt(III) does not represent an energy minimum for the transformation from Pt(IV) to Pt(II) [114].…”

Section: Reductive Eliminationsmentioning

confidence: 99%

Charge Transfer Excitation of Coordination Compounds. Generation of Reactive Intermediates

Vogler

Kunkely

1993

Catalysis by Metal Complexes

View full text Add to dashboard Cite

Reactive compounds exhibit frequently catalytic properties. Particularly, many reactive metal complexes are characterized by their catalytic activity. Photochemistry presents one of the most important and versatile methods for the generation of reactive compounds. The design of photochemically generated catalysts requires a deeper insight in the photochemistry in general. The choice of appropriate light-sensitive precursors can be guided by several considerations. A straight-forward approach involves the selection of compounds according to the type of electronic excitation which often predetermines the nature of the photoproducts.In a metal complex the metal-ligand bonds are generally polar. The molecular orbitals are then not equally delocalized between metal and ligands but predominantly located at the metal or the ligands. The electronic transitions are classified according to this localization [1]. In simple homoleptic mononuclear complexes three types of electronic excitations can be distinguished. Electronic transitions are localized at the metal (metalcentered, MC), at the ligand (ligand-centered, LC or intraligand, IL) or they take place between MOs at the metal and the ligand. The latter transitions are associated with a spatial redistribution of electrons and therefore are termed charge transfer (CT) transitions. While this review deals with CT excited states let us first have a short look at MC and LC states and their significance for the generation of reactive species which might be catalytically active.Since the valence orbitals of metals may be of the s, p, d, and f type all these orbitals can be involved in MC transitions. Ligand field (LF) or dd excited states have been investigated in great detail [2][3][4][5][6]. In many cases LF (or dd) excitation leads to a weakening of metal-ligand bonds. As a result a ligand may be released without any change of the oxidation state of the metal. This process is very important for the generation of catalysts because the product is a coordinatively unsaturated complex which provides an

show abstract

“…When the primary process (1) is realized, photoaquation can follow a chain mechanism. Depending on the experimental parameters, quantum yield could be both less [20,21,25] and sufficiently higher than unity [20,22,27].…”

Section: Introductionmentioning

confidence: 99%

“…Intermediates interpreted as Pt(III) species were recorded in the experiments with microsecond [21,25], picosecond [29] and femtosecond [26,27,30] time resolution. When the primary process (1) is realized, photoaquation can follow a chain mechanism.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Primary photochemical processes for PtCl62− complex in acetonitrile solutions

Matveeva

Pozdnyakov

Grivin

et al. 2016

Journal of Photochemistry and Photobiology A: Chemistry

View full text Add to dashboard Cite

show abstract

Production of platinum(III) by flash photolysis of PtCl6 2?

Abstract: The absorption of light in the ligand-to-metal charge-transfer band of PtCl,,-causes both photoaquation to PtC1,0H2-and photoreduction to a PtIII complex, PtC1,-.

Cited by 57 publications

References 0 publications

Primary reactions in the photochemistry of hexahalide complexes of platinum group metals: A minireview

Primary reactions in the photochemistry of hexahalide complexes of platinum group metals: A minireview

Charge Transfer Excitation of Coordination Compounds. Generation of Reactive Intermediates

Primary photochemical processes for PtCl62− complex in acetonitrile solutions

Contact Info

Product

Resources

About