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Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols

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Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols. / Visak, Zoran P.; Ilharco, Laura M.; Garcia, Ana Rosa et al.
In: Journal of Physical Chemistry B, Vol. 115, No. 26, 07.07.2011, p. 8481-8492.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Visak, ZP, Ilharco, LM, Garcia, AR, Najdanovic, V, Fareleira, JMNA, Caetano, FJP, Kijevcanin, ML & Serbanovic, SP 2011, 'Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols', Journal of Physical Chemistry B, vol. 115, no. 26, pp. 8481-8492. https://doi.org/10.1021/jp202464h

APA

Visak, Z. P., Ilharco, L. M., Garcia, A. R., Najdanovic, V., Fareleira, J. M. N. A., Caetano, F. J. P., Kijevcanin, M. L., & Serbanovic, S. P. (2011). Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols. Journal of Physical Chemistry B, 115(26), 8481-8492. https://doi.org/10.1021/jp202464h

Vancouver

Visak ZP, Ilharco LM, Garcia AR, Najdanovic V, Fareleira JMNA, Caetano FJP et al. Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols. Journal of Physical Chemistry B. 2011 Jul 7;115(26):8481-8492. doi: 10.1021/jp202464h

Author

Visak, Zoran P. ; Ilharco, Laura M. ; Garcia, Ana Rosa et al. / Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols. In: Journal of Physical Chemistry B. 2011 ; Vol. 115, No. 26. pp. 8481-8492.

Bibtex

@article{ccbd57fec8f34e3e9181d9d2b2b1fdfd,
title = "Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols",
abstract = "Densities and molar excess volumes of the solutions of pyridine or nicotine in liquid polyethylene glycol, PEG200 and PEG400, have been determined at several temperatures. The experimental molar excess volumes are negative, thus indicating strong attractive interactions between the components, as could be expected considering their highly polar nature and good hydrogen bond abilities. For the pyridine systems, this negativity is slightly increased as the temperature rises, while the opposite tendency is observed for the nicotine mixtures. When pyridine and nicotine solutions are compared, the former particularly those with PEG400-exhibit substantially more negative molar excess volumes than the latter. The effect of the polymer chain length on the results for the nicotine solutions is almost negligible. However, this is not the case when pyridine is one of the components: a longer chain induced considerably higher compression on mixing. The Fourier-transform infrared analysis allowed interpretation of the negative experimental molar excess volumes in terms of specific inter- and intramolecular interactions.",
keywords = "WATER, HYDROGEN-BOND BASICITY, NUCLEAR MAGNETIC-RESONANCE, PYRROLIDINE, POLYMERS, MOLECULAR-CONFORMATION, DENSITIES, GAS-PHASE, POLY(ETHYLENE GLYCOL), TEMPERATURE",
author = "Visak, {Zoran P.} and Ilharco, {Laura M.} and Garcia, {Ana Rosa} and Vesna Najdanovic and Fareleira, {Joao M. N. A.} and Caetano, {Fernando J. P.} and Kijevcanin, {Mirjana L.} and Serbanovic, {Slobodan P.}",
year = "2011",
month = jul,
day = "7",
doi = "10.1021/jp202464h",
language = "English",
volume = "115",
pages = "8481--8492",
journal = "Journal of Physical Chemistry B",
issn = "1520-6106",
publisher = "AMER CHEMICAL SOC",
number = "26",

}

RIS

TY - JOUR

T1 - Volumetric properties and spectroscopic studies of pyridine or nicotine solutions in liquid polyethylene glycols

AU - Visak, Zoran P.

AU - Ilharco, Laura M.

AU - Garcia, Ana Rosa

AU - Najdanovic, Vesna

AU - Fareleira, Joao M. N. A.

AU - Caetano, Fernando J. P.

AU - Kijevcanin, Mirjana L.

AU - Serbanovic, Slobodan P.

PY - 2011/7/7

Y1 - 2011/7/7

N2 - Densities and molar excess volumes of the solutions of pyridine or nicotine in liquid polyethylene glycol, PEG200 and PEG400, have been determined at several temperatures. The experimental molar excess volumes are negative, thus indicating strong attractive interactions between the components, as could be expected considering their highly polar nature and good hydrogen bond abilities. For the pyridine systems, this negativity is slightly increased as the temperature rises, while the opposite tendency is observed for the nicotine mixtures. When pyridine and nicotine solutions are compared, the former particularly those with PEG400-exhibit substantially more negative molar excess volumes than the latter. The effect of the polymer chain length on the results for the nicotine solutions is almost negligible. However, this is not the case when pyridine is one of the components: a longer chain induced considerably higher compression on mixing. The Fourier-transform infrared analysis allowed interpretation of the negative experimental molar excess volumes in terms of specific inter- and intramolecular interactions.

AB - Densities and molar excess volumes of the solutions of pyridine or nicotine in liquid polyethylene glycol, PEG200 and PEG400, have been determined at several temperatures. The experimental molar excess volumes are negative, thus indicating strong attractive interactions between the components, as could be expected considering their highly polar nature and good hydrogen bond abilities. For the pyridine systems, this negativity is slightly increased as the temperature rises, while the opposite tendency is observed for the nicotine mixtures. When pyridine and nicotine solutions are compared, the former particularly those with PEG400-exhibit substantially more negative molar excess volumes than the latter. The effect of the polymer chain length on the results for the nicotine solutions is almost negligible. However, this is not the case when pyridine is one of the components: a longer chain induced considerably higher compression on mixing. The Fourier-transform infrared analysis allowed interpretation of the negative experimental molar excess volumes in terms of specific inter- and intramolecular interactions.

KW - WATER

KW - HYDROGEN-BOND BASICITY

KW - NUCLEAR MAGNETIC-RESONANCE

KW - PYRROLIDINE

KW - POLYMERS

KW - MOLECULAR-CONFORMATION

KW - DENSITIES

KW - GAS-PHASE

KW - POLY(ETHYLENE GLYCOL)

KW - TEMPERATURE

U2 - 10.1021/jp202464h

DO - 10.1021/jp202464h

M3 - Journal article

VL - 115

SP - 8481

EP - 8492

JO - Journal of Physical Chemistry B

JF - Journal of Physical Chemistry B

SN - 1520-6106

IS - 26

ER -