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Effective Charger Transfer Distances in Mixed-Valence Transition Metal Complexes
Charger Transfer Distances Mixed-Valence Transition Metal Complexes
2016/5/23
Stark (electroabsorption) spectroscopy can provide quantitative information on the change in dipole moment and polarizability for an electronic transition. In the case of mixed-valence transitions, th...
Dipolar Character of Ligand-Centered Transitions in Transition Metal Tris-bipyridine Complexes
Stark spectra Tris-bipyridyl complexes UV spectroscopy Zn complexes
2016/5/23
The Stark spectra of bipyridine (bpy) and the metaltris(2,2'-bipyridine) complexes of Zn, Fe, Ru and Os have been measured in the ligand-centered region in the near UV. The results show that excitatio...
Stark Effect Spectroscopy of Carotenoids in Reaction Center and Antenna Complexes from Photosynthetic Bacteria
Stark effect Electric field effect Carotenoid Carotenoid bandshift
2016/5/23
The effects of electric fields on the absorption spectra of the carotenoids spheroidene and spheroidenone in photosynthetic antenna and reaction center complexes (wild-type and several mutants) from p...
Electroabsorption (Stark Effect) Spectroscopy of Mono-and Biruthenium Charge-Transfer Complexes:Measurements of Changes in Dipole Moments and Other Electrooptic Properties
PERVAPORATION REVERSE OSMOSIS SEPARATION OF AMYL ALCOHOL WATER MIXTURES POLY(VINYL ALCOHOL) POLYACRYLONITRILE COMPOSITE MEMBRANES POLYAMIDE POLYETHERSULFONE COMPOSITE MEMBRANES
2016/5/23
Electroabsorption (Stark effect) spectra are reported for the charge-transfer transitions of (NH3)5RuL2+ and [(NH3)5Ru]2L4+,5+, where L is pyrazine (pz) or 4,4'-bipyridine (4,4'-bpy). The spectra perm...
Electrochromism in the Near-Infrared Absorption Spectra of Bridged Ruthenium Mixed-Valence Complexes
inorganic, organic, physical and analytical chemistry ruthenium complexes absorption spectra electrochromism electric fields experimental data low temperature measuring methods near infrared radiation complexes
2016/5/23
Many experimental and theoretical approaches have been developed to characterize the chemical and physical properties of mixed-valence complexes. These molecules may possess metals in differing oxidat...
Stark Effect Spectra of Ru(Diimine)32+ Complexes
ANTIDEPRESSANTS MONOAMINE OXIDASE INHIBITORS TYRAMINE
2016/5/20
The metal-to-ligand charge-transfer (MLCT) states of Ru- (diimine)32+and related complexes have been the subject of intense interest over the past 20 years in an effort to understand and potentially t...
Chemical cross-linking/mass spectrometry targeting acidic residues in proteins and protein complexes.
Chemical cross-linking/mass spectrometry targeting acidic residues proteins protein complexes.
2015/12/11
The study of proteins and protein complexes using chemical cross-linking followed by the MS identification of the cross-linked peptides has found increasingly widespread use in recent years. Thus far,...
Excitonic energy transfer in light-harvesting complexes in purple bacteria
Exciton energy transfer light-harvesting complexes purple bacteria
2014/9/24
Two distinct approaches, the Frenkel-Dirac time-dependent variation and the Haken-Strobl model,are adopted to study energy transfer dynamics in single-ring and double-ring light-harvesting (LH) system...
Entropy-Enthalpy Compensation May Be a Useful Interpretation Tool for Complex Systems Like Protein-DNA Complexes: An Appeal to Experimentalists
Entropy-Enthalpy Compensation Useful Interpretation Tool Complex Systems Like Protein-DNA Complexes Experimentalists
2012/2/29
In various chemical systems enthalpy-entropy compensation (EEC) is a well-known rule of behavior, although the physical roots of it are still not completely understood. It has been frequently question...
Theoretical Studies on Structures and Spectroscopic Properties of Highly Efficient Phosphorescent [Ru(terpy)(phen)X]+ Complexes
Mixed-ligand Ru(II) complexes Electronic structure Spectroscopic property DFT calculation UB3LYP method
2012/4/5
The ground and the lowest-lying triplet excited state geometries, electronic structures, and spectroscopic properties of three mixed-ligand Ru(II) complexes [Ru(terpy)(phen)X]+(terpy=2,2',6',20'-terpy...
Synthesis and characterisation of vanadium(III) complexes of biphenylphenols
Vanadium(III) complexes biphenylphenols magnetic study
2010/10/19
The vanadium(III) complexes of composition [VCl3-n(OAr1,2)n.(THF)2] (OAr1 = 2-phenylphenoxo and OAr2 = 4-phenylphenoxo, THF = tetrahydrofuran; n = 1 /to 3) were prepared by in situ reaction of VCl3.(T...
Electrochemical properties of 1-(o-, m-, p-nitrophenyl)-3-(m-nitrophenyl)- 5-phenylformazans and their nickel complexes
Formazans nickel complexes spectroscopy substituent effect
2010/10/18
The electrochemical properties of NO2 formazans and their Ni(II) complexes were investigated. The investigated formazans included a NO2 group at the o-, m-, and p-positions of the 1-phenyl ring and at...
Synthesis, characterization, antibacterial and antifungal evaluation of some new platinum(II) complexes of 2-phenylbenzimidazole ligands
Antibacterial activity antifungal activity benzimidazole
2010/10/18
A series of platinum(II) complexes of the type [PtL2Cl2] 1, [PtL2I2] 2, [PtL2(oxalato)] 3, and [PtL2(malonato)] 4 (L= 2-phenylbenzimidazole ligands as ``non-leaving groups'') were synthesized and cha...
Synthesis and characterization of non-symmetric tetradentate complexes of Zn(II), Co(II), and Cu(II)
Synthesis characterization non-symmetric tetradentate complexes
2010/10/15
The non-symmetrical tetradentate Schiff-base H2L was obtained using the half-unit N-(1-hydroxy-2-acetophenone)-1-amino- 2-phenyleneimine (HL) with 2-hydroxyl-1-naphthaldehyde. ZnL, CoL, and CuL compl...
Template synthesis and characterization of 16-membered octaazamacrocyclic complexes: a photoelectron spectroscopic study
Macrocyclic ligands transition metal template condensation
2010/10/14
A novel series of complexes of the type [MLX2] where M= Mn(II), Co(II), Ni(II), Cu(II) and Zn(II); X= C- or NO3- were synthesized by template condensation of hydrazine hydrate, acetaldehyde, 2,4-penta...