charge transfer complex

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charge trans·fer com·plex

1. a complex between two organic molecules in which an electron from one (the donor) is transferred to the other (the acceptor); subsequent transfer of a hydrogen atom completes the reduction of the acceptor; such complexes are generally highly colored and may be so observed;
2. a network of hydrogen bridges at the catalytic center of certain proteases.
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References in periodicals archive ?
Yasuda, Role of charge-transfer complex with iodine in the modification of coal tar pitch, Carbon N.
Reiff, Ferromagnetic molecular charge-transfer complexes, Chem.
They have been widely employed as acceptors for charge-transfer complex formation, as photo-sensitizers and electron transport materials, in the preparation of complexing phases for high performance liquid chromatography and thin liquid chromatography, as complexing agents for optical resolution, and as spray reagents for nondestructive detection of many classes of biologically active compounds, poly-aromatics and hetero- aromatics [14].
The crystal packing of two charge-transfer complexes based on tetra-thiafulvalene and substituted fluorenes-2,4,5,7- tetranitro-9-dicyanomethylenefluorene or 2,7-dicyano-4,5- dinitro-9-dicyanomethylenefluorene were analyzed [9].
Kim, "Supramolecular amphiphiles: spontaneous formation of vesicles triggered by formation of a charge-transfer complex in a host," Angewandte Chemie--International Edition, vol.
Sun, "A host-induced intramolecular charge-transfer complex and light-driven radical cation formation of a molecular triad with cucurbit[8]uril," Journal of Organic Chemistry, vol.
Based on these facts we can suggest that the main result of this interaction is the formation of a charge-transfer complex between heteropolyacid anion clusters and conformationally distorted polymer chains.
Using solutions of molecules, Wang studied the light-altering properties of buckyballs alone and of buckyballs linked with another material in a so-called charge-transfer complex. Buckyballs alone exhibit third-order properties, but the buckyball-containing complex lacks the symmetry of the solo molecules and thus adds second-order properties to the compound, reports Wang.
We are currently endeavouring to ascertain whether this charge-transfer complex can effect intramolecular oxygen-atom transfer to the olefin directly or whether it must first rearrange to a peroxometallacycle of the type conventionally invoked for these processes.
The 21 studies of this fourth volume include discussions of the disruption of alanine racemase gene of Schizosaccharomyces pombe, D-amino acid oxidase activity assays, the transformation of plants with D-amino acid resistance selectable markers, the resonance Raman study of charge-transfer complexes on porcine D-amine acid oxidase, and enzymes acting on D-amino acid amides.
This ability allows these compounds to be used to make various polymerizable materials, including charge-transfer complexes and coordination compounds.
Various other thin films can be applied to the boundary liner to align the FLCs: Langmuir-Blodgett orientation films, metal-oxide thin films in combination with electric fields; and charge-transfer complexes doped with polyimide alignment layers.