Study of behavior nanoclusters of ethanol in cryomatrix nitrogen depending on the temperature and concentration
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Keywords:
trans-gouch-конверсия, recondensates, polyaggregates, monomer, dimer, cryomatrix, IR, ethanol, cryocondensates, trans-gouch-conversionAbstract
Earlier research molecular processes recondensation ethanol cryomatrix nitrogen on to the substrate found that the state of the molecules of ethanol in the matrix is not stable. A slight increase of temperature of the solid nitrogen long before its sublimation changes the vibrational spectrum of the bicomponent film ethanolnitrogen. The results of study of this phenomenon are presented here. The measurements were carried out in the temperature range 12-40K at the initial vacuum in the chamber of at least 10-8 Torr. The concentration of ethanol in nitrogen was from0.5% to 3%.References
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2 Ediger M. D., Angell C. A.. Supercooled Liquids and Glasses//J. Phys. Chem. -1996. – vol. 100. -p. 13200.
3 Ramos M. Quantitative assessment of the effects of orientational and positional disorder on glassy dynamics // Physical Review. – 1997. – vol. 78. – P.82.
4 Gonzalez M. A., Bermejo F. J., Enciso E.and CabrilloC..Hydrogen bonding in condensed-phase alcohols: some keys to understanding their structure and dynamics.// Philosophical Magazine -vol. 84. -p. 1599.
5 Ramos M.A., Shmyt'ko I., Arnautova E., Jiménez-Riobóo R., Rodriguez-Mora V., Vieira S., Capitán M. J. On the phase diagram of polymorphic ethanol: Thermodynamic and structural studies // J. Non-Crystal Solid. – 2006. – vol. 352. – p. 4769.
6 Talon C., Ramos M., Vieira S., Guello G., Bermejo F., Griado A., Senent M., Bennington S., Fischer H.,Schober H. Low-temperature specific heat and glassy dynamics of a polymorphic molecular solid // Physical Review. – 1998. – vol. 58, 2. – p. 745.
7 Talon C., Ramos M., Vieira S. Low-temperature specific heat of amorphous, orientational glass, and crystal phases of ethanol // Physical Review. – 2002. – vol. 66. – p.1.
8 Criado A., Jimenez-Ruiz M., Cabrillo C., Bermejo F. J., Fernandez-Perea R.,. Fischer H. E, Trouw F. R..Rotational dynamics in the plastic-crystal phase of ethanol: Relevance for understanding the dynamics during the structural glass transition // Phys. Rev. -2000. -vol. B 61. -p.12082.
9 Drobyshev A., Atapina N., Garipogly D. IR spectrum and structure of water vapour cryocondensates //Fizika nizkikh temperatur.-1993.-vol. 19(5). -p. 567.
10 Garipogly D.N, Drobyshev A.S. O nekotorykh osobennostyakh kriokondensatsii zakisi azota // Fizika nizkikh temperatur.-1990. -vol. 16. -p. 936.
11 Drobyshev A., Aldiyarov A, Kurnosov V., Tokmoldin N. Thermally stimulated transformations in cryovacoom water ices // Low Temperature Physics. – 2007. – vol. 33. – p. 355.
12 Aldiyarov A., Aryutkina M., Drobyshev A., Kaikanov M., Kurnosov V. Investigation of dynamic glass transitons and structural transformations in cryovacuum condensates of ethanol // Low Temperature Physics. – 2009. – vol. 35. – p. 251.
13 Hirabayashi Sh. and Koichi M. T. Yamada. Infrared spectra of water clusters in krypton and xenon matrices// J. Chem. Phys. 2005. vol.122. p.244501.
14 Hirabayashi Sh., Ohno K., and Yamada K. Infrared spectra of the water-nitrogen complexes (H2O)2-(N2)n(n=1-4) in argon matrices// J. Chem. Phys. 2005. vol.122. p.194506.
15 Tursi A.J. and Nixon E.R. Matrix-isolation study of the Water Dimer in Solid Nitrogen// J. Chem. Phys. 1970. vol.52. p.1521.
16 Drobyshev, A.; Aldiyarov, A..IR-spectroscopy of ethanol formed by recondensation from a nitrogen cryomatrix // LOW TEMPERATURE PHYSICS. -2011. -vol. 37(8). -p. 718.
17 Coussan S., Bouteiller Y., Perchard J.P., Zheng W.Q. Rotational Isomerism of Ethanol and Matrix Isolation Infrared Spectroscopy // The Journal of Chemical Physics. – 1998. – vol. 102. – p. 5789.
18 Larsen R., Zielke Ph., and Suhm M. Hydrogen-bonded OH stretching modes of methanol clusters: A combined IR and Raman isotopomer study// J. Chem. Phys. 2007. vol.126. p.194307.
19 Wasserman T., Suhm M. Ethanol monomers and dimers revisited: A Raman study of conformational preferences and argon nanocoating effects // The Journal of Chemical Physics. 2010. – vol. 114. p. 8223
20 Zielke P., Suhm M.Concerted proton motion in hydrogen-bonded trimers: A spontaneous Raman scattering perspective // The Journal of Chemical Physics. – 2006. – vol. 8. – p. 2826.
21 Luck W. A. P. and SchremsO..Infrared matrix isolation studies of self-association of methanol and ethanol: proof of cyclic dimers//J. Mol. Struct. -1980. -vol. 60. -p. 333.
22 Manzhelii V. G., Freiman Y. A.. Physics of Cryocrystals, AIP, New York -1997.
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Kurnosov, V., Katpaeva, K., Sokolov, D., & Kubetaeva, A. (2014). Study of behavior nanoclusters of ethanol in cryomatrix nitrogen depending on the temperature and concentration. Recent Contributions to Physics (Rec.Contr.Phys.), 48(1), 15–22. Retrieved from https://bph.kaznu.kz/index.php/zhuzhu/article/view/23
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Condensed Matter Physics and Materials Science Problems. NanoScience
