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Now showing items 1-10 of 29

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    Generalized anomeric effect of α-chloro-O-oxime ethers; influence of various substitutions by DFT, NBO and AIM studies 

    Type: Journal Paper
    Author : A.-R. Nekoei; M. Vatanparast
    Year: 2014
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    Very strong intramolecular hydrogen bonding of 1,2-dithenoylcyclopentadiene; DFT and spectroscopic studies 

    Type: Journal Paper
    Author : A.-R. Nekoei; S.F. Tayyari; M. Vakili
    Year: 2014
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    Intramolecular hydrogen bonding and vibrational assignment of 1,1,1-trifluoro-5,5-dimethyl-2,4-hexanedione 

    Type: Journal Paper
    Author : R. Afzali; M. Vakili; A.-R. Nekoei; S.F. Tayyari
    Year: 2014
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    Comparision the intramolecular hydrogen bond of BA and DBM with AA. 

    Type: Conference Paper
    Author : محمد وکیلی; A-R. Nekoei; S. F. Tayyari; Mohamad Vakili
    Year: 2006
    Abstract:

    Tautomerism equilibrium given in Fig. 1 shows that two keto-enol tautomerisms are possible for β-Dicarbonyls. The position of the keto-enol equilibrium for this class of compounds differs according to electronic characteristics ...

    Structure of 2,4,5-triphenyl-1H-Imidazole and the substitution effect of F, Cl, and OH groups in para position of 2-Ph ring; A DFT study 

    Type: Conference Paper
    Author : محمد وکیلی; A-R. Nekoei; B. Maleki; Mohamad Vakili
    Year: 2011
    Abstract:

    Over the century, imidazoles have received significant attention due to their reactions and biochemical properties. Even today, research in

    imidazole chemistry continues. Several substituted imidazoles are known as ...

    Tautomerism, molecular structure, intramolecular hydrogen bond, and enol-enol equilibrium of para halo substituted 4,4,4-trifluoro-1-phenyl-1,3-butanedione; experimental and theoretical studies 

    Type: Journal Paper
    Author : V.R. Darugar; M. Vakili; A.R. Nekoei; S.F. Tayyari; R. Afzali
    Year: 2017
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    Theoretical study, and infrared and Raman spectra of copper(II) chelated complex with dibenzoylmethane 

    Type: Journal Paper
    Author : A.-R. Nekoei; M. Vakili; M. Hakimi-Tabar; S.F. Tayyari; R. Afzali; H.G. Kjaergaard
    Year: 2014
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    Very strong intramolecular hydrogen bonding of 1,2-dithenoylcyclopentadiene; DFT and spectroscopic studies 

    Type: Journal Paper
    Author : A.-R. Nekoei; سیدفرامرز طیاری; محمد وکیلی; Sayyed Faramarz Tayyari; Mohamad Vakili
    Year: 2014
    Abstract:

    Structure and intramolecular hydrogen bond (IHB) of 1,2-dithenoylcyclopentadiene (DTCP) have been investigated with quantum mechanical calculations using density functional theory at B3LYP level using some Pople-style basis ...

    Intramolecular hydrogen bonding and vibrational assignment of 1,1,1-trifluoro-5,5-dimethyl-2,4-hexanedione 

    Type: Journal Paper
    Author : راهله افضلی; محمد وکیلی; A.-R. Nekoei; سیدفرامرز طیاری; Raheleh Afzali; Mohamad Vakili; Sayyed Faramarz Tayyari
    Year: 2014
    Abstract:

    Intramolecular hydrogen bonding (IHB) and vibrational frequencies of 1,1,1-trifluoro-5,5-dimethyl-2,

    4-hexanedione (TFDMHD) have been investigated by means of density functional theory (DFT) calculations, Atoms in ...

    Molecular structure and intramolecular hydrogen bonding of 1,1,1- trifluoro-5,5-dimethyl-2,4-hexanedione. A DFT study (Part I) 

    Type: Conference Paper
    Author : N. Sanati; A-R. Nekoei; محمد وکیلی; A. Kanaani; Mohamad Vakili
    Year: 2011
    Abstract:

    Tautomer equilibrium given in Fig. 1 shows that two keto-enol tautomerisms are possible for

    β-dicarbonyls. The position of the keto-enol equilibrium for this class of compounds differs

    according to electronic ...

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