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Description
| - The electron-transfer capacity of molecular rectangle ions [Pt-4(II)(PEt3)(8)(mu-anth(2-))(2)(mu-L)(2)](4+) with anth = anthracene-1,8-diyl and L = 4,4''-bipyridine (bp) or 1,2-bis(4-pyridyl)ethene (bpe) was investigated in acetonitrile and dichloromethane using cyclic voltammetry, EPR, and UV-vis-near-IR spectroelectrochemistry. The compounds can be reversibly reduced, first in a two-electron process and then via two closely separated one-electron steps. Oxidation was also possible at rather low potentials in a reversible two-electron step, followed by an electrochemically irreversible process. The spectroscopic results indicate reduction at the neutral acceptor ligands L and oxidation at the formally dianionic anthracene 'clips'. In contrast, the prototypical molecular square {[Pt(triphos)(mu-bp)](4)}(8+) undergoes only irreversible reduction.
- The electron-transfer capacity of molecular rectangle ions [Pt-4(II)(PEt3)(8)(mu-anth(2-))(2)(mu-L)(2)](4+) with anth = anthracene-1,8-diyl and L = 4,4''-bipyridine (bp) or 1,2-bis(4-pyridyl)ethene (bpe) was investigated in acetonitrile and dichloromethane using cyclic voltammetry, EPR, and UV-vis-near-IR spectroelectrochemistry. The compounds can be reversibly reduced, first in a two-electron process and then via two closely separated one-electron steps. Oxidation was also possible at rather low potentials in a reversible two-electron step, followed by an electrochemically irreversible process. The spectroscopic results indicate reduction at the neutral acceptor ligands L and oxidation at the formally dianionic anthracene 'clips'. In contrast, the prototypical molecular square {[Pt(triphos)(mu-bp)](4)}(8+) undergoes only irreversible reduction. (en)
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Title
| - Metalla-Supramolecular Rectangles as Electron Reservoirs for Multielectron Reduction and Oxidation.
- Metalla-Supramolecular Rectangles as Electron Reservoirs for Multielectron Reduction and Oxidation. (en)
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skos:prefLabel
| - Metalla-Supramolecular Rectangles as Electron Reservoirs for Multielectron Reduction and Oxidation.
- Metalla-Supramolecular Rectangles as Electron Reservoirs for Multielectron Reduction and Oxidation. (en)
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skos:notation
| - RIV/61388955:_____/02:54020163!RIV/2003/AV0/A54003/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(ME 439), P(OC D15.10), Z(AV0Z4040901)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/02:54020163
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - chemistry; ray crystal-structure; tetranuclear complexes (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...ocetUcastnikuAkce
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http://linked.open...nichUcastnikuAkce
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Fiedler, Jan
- Kaim, W.
- Schwederski, B.
- Stang, P. J.
- Dogan, A.
- Kuehl, CH.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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