Equilibrium Compositions of HF Solutions in N,N-Dimethylformamide

Tarakanova, E. G.; Yukhnevich, G. V.

doi:10.1134/s0036023618040216

Russ. J. Inorg. Chem.

2018

DOI: 10.1134/s0036023618040216

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Equilibrium Compositions of HF Solutions in N,N-Dimethylformamide

E. G. Tarakanova

G. V. Yukhnevich

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Cited by 7 publications

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Experimental determination of relationship between intramolecular bond lengths and their stretching vibrational frequencies of N,N-dimethylformamide and acetonitrile molecules in the liquid state

Kameda,

Amo,

Usuki

et al. 2023

Bulletin of the Chemical Society of Japan

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Time-of-flight (TOF) neutron diffraction measurements have been carried out on pure liquid deuterated N, N-dimethylformamide (DMF-d7), acetonitrile (AN-d3) and their concentrated LiTFSA solutions to investigate the effect of intermolecular interaction to intramolecular bond lengths, rCO, of the DMF and rCN of the AN molecules in the liquid state. Intramolecular parameters of DMF and AN are determined by the least squares fitting analyses of neutron total interference terms observed in the high-Q region. Attenuated total reflection (ATR) IR spectra have been measured for pure liquid DMF, AN and their LiTFSA solutions of natural abundances to determine the average C = O and C≡N stretching vibrational frequencies (νCO and νCN) of the DMF and AN molecules, respectively. The relationships between rCO and νCO for DMF, and between rCN and νCN for AN, are well approximated by linear functions. The value, dνCO/drCO = -3400 ± 1600 cm-1.Å-1 has been derived for DMF from the slope of the fitted function. dνCN/drCN = -7000 ± 3000 cm-1.Å-1 has been obtained for AN. It has been revealed that the C = O bond length of the DMF and C≡N one of the AN molecules are sensitively affected by intermolecular interaction.

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Experimental determination of relationship between intramolecular bond lengths and their stretching vibrational frequencies of N,N-dimethylformamide and acetonitrile molecules in the liquid state

Kameda,

Amo,

Usuki

et al. 2023

Bulletin of the Chemical Society of Japan

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Composition and Structure of Hydrates Formed in Aqueous Solutions of Formic Acid

et al. 2019

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COMPETITION BETWEEN METHANOL AND WATER MOLECULES UPON THE FORMATION AND SOLVATION OF IONS IN THE CH3OH–H2O–HCl SYSTEM

et al. 2020

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Equilibrium Compositions of HF Solutions in N,N-Dimethylformamide

Cited by 7 publications

References 22 publications

Experimental determination of relationship between intramolecular bond lengths and their stretching vibrational frequencies of N,N-dimethylformamide and acetonitrile molecules in the liquid state

Experimental determination of relationship between intramolecular bond lengths and their stretching vibrational frequencies of N,N-dimethylformamide and acetonitrile molecules in the liquid state

Composition and Structure of Hydrates Formed in Aqueous Solutions of Formic Acid

COMPETITION BETWEEN METHANOL AND WATER MOLECULES UPON THE FORMATION AND SOLVATION OF IONS IN THE CH3OH–H2O–HCl SYSTEM

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