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Synthesis and Spectroscopic Properties of a Novel Cofacial Chlorophyll-Based Dimer
Synthesis Spectroscopic Properties Cofacial Chlorophyll-Based Dimer
2016/5/20
We wish to report the synthesis and unique spectroscopic properties of a novel, doubly linked, cofacial chlorophyll (Chl) dimer. Considerable effort has been directed toward the synthesis and characte...
SPECTROSCOPIC STUDIES OF NON-COVALENT METAL ION-LIGAND INTERACTIONS
SPECTROSCOPIC STUDIES ON-COVALENT METAL ION-LIGAND
2014/11/20
Non-covalent interactions between metal ions and ligands such as water and methane have been extensively studied due to their biological and industrial importance. Gas phase studies can reveal the fun...
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...
Electrochemical impedance spectroscopic studies of the passive layer on the surface of copper as a function of potential
cyclic voltammetry passive film interfaces
2010/12/3
Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) were used to investigate the oxide layer formed on a copper disc electrode and the changes that took place when treated potenti...
Synthesis, spectroscopic characterization, mass spectrometry, and crystal structure of N-{[(4-bromophenyl)amino]carbonothioyl}benzamide
Thiourea derivative X-ray structure determination mass fragmentation
2010/12/3
N-{[(4-bromophenyl)amino]carbonothioyl}benzamide was synthesized and characterized by IR, 1H- and 13C-NMR, mass spectrometry, and elemental analysis. The crystal structure was determined from single c...
Electrochemical Impedance Spectroscopic Studies of Passive Layer on Copper Surface as a Function of Potential.
Copper electrochemical impedance spectroscopy cyclic voltammetry
2010/10/19
Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) were used to investigate the oxide layer formed on a copper disc electrode and the changes that took place when treated potenti...
Synthesis, Spectroscopic Characterization, Mass Spectrometry and Crystal Structure of N-{[(4-bromophenyl) amino]carbonothioyl}benzamide
Thiourea derivative X-ray structure determination mass fragmentation
2010/10/19
N-{[(4-bromophenyl)amino]carbonothioyl}benzamide was synthesized and characterized by IR, 1 H- and 13C-NMR, mass spectrometry, and elemental analysis. The crystal structure was determined from single ...
Synthesis and spectroscopic studies of some new organometallic chelates derived from bidentate ligands
4-Amino-5-mercapto-s-triazole Schiff bases silicon complexes
2010/10/18
A series of organosilicon(IV) and organotin(IV) complexes having the formulae R2MCl(L1), R2MCl(L2), R2MCl(L3), R2MCl(L4), R2M(L1)2, R2M(L2)2, R2M(L3)2, and R2M(L4)2, where M = Si and Sn, and R = CH3, ...
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...
High Frequency Spectroscopic Study of the Bound State of Water in PEG–H2O System during Heating from Frozen State
High Frequency Spectroscopic Study the Bound State of Water in PEG–H2O System Frozen State
2010/9/17
The bound state of water in PEG (polyethylene glycol)–H2O systems was studied by using HFS and DSC methods. Samples with the mixing ratios EO:H2O = 1:1 (a) and 1:10 (b), where EO indicates the ethylen...
Emission Spectroscopic Study on Gas–Gas Interactions in Glow Discharge Plasmas Using Several Binary Gas Mixtures
Emission Spectroscopic Study Gas–Gas Interactions Glow Discharge Binary Gas Mixtures
2010/9/17
Emission spectra of constituent gas species from glow discharge plasmas using argon–helium, krypton–helium, argon–krypton, and krypton–argon gas mixtures were analyzed to elucidate collisional energy ...
Reactions of the solvent-stabilized compound [MoOCl2(THF)2] with aromatic nitrogen donor ligands: spectroscopic characterization and semiempirical AM1* calculations
Mo(VI) complexes oxo-imido complexes oxomolybdenum complexes oxygen atom
2010/4/8
Reaction of the solvent-stabilized dioxo-molybdenum(VI) compound [MoO2Cl2(THF)2] with PPh3 yielded the oxomolybdenum(IV) species [MoOCl2(THF)2] (1) by the removal of one oxygen atom as PPh3O. The comp...
Spectroscopic studies and Hartree-Fock ab initio calculations of a substituted amide of pyrazine-2-carboxylic acid - C16H18ClN3O
Amides of pyrazine carboxylic acid IR Hartree-Fock ab initio calculations, hyperpolaziability
2010/4/8
A substituted amide of pyrazine-2-carboxylic acid was prepared and the IR spectrum was recorded and analysed. The compound prepared was identified by NMR and mass spectra. The vibrational frequencies ...
Spectroscopic and Structural Study of Ni(II) Dipicolinate Complex with 2-amino-4-methylpyrimidine
Metal(II)-dipicolinate complexes X-ray crystal structure UV-Vis IR
2010/4/9
Nickel(II) dipicolinate complex containing 2-amino-4- methylpyrimidine (2A-4Mpy), [Ni(2A-4Mpy)(dpc) (H2O)2] . 2H2O was synthesized in solid state and its structural and spectroscopic properties were d...
Synthesis, Spectroscopic and Biological Investigation of Cyclic Octapeptide: Cherimolacyclopeptide G
Cyclic octapeptide cherimolacyclopeptide G antibacterial activity antifungal activity anthelmintic activity cytotoxicity
2010/4/16
A natural cyclic octapeptide cherimolacyclopeptide G (8) was synthesized by coupling of tetrapeptide units Boc-Gly-Ala-Val-Pro-OMe (5) and Boc-Ile-Tyr-Ala-Pro-OMe (6) after proper deprotection at carb...