Polarized infrared spectra of single crystals of ethyl alcohol

Mikawa, Y.; Brasch, J. W.; Jakobsen, R. J.

doi:10.1016/0584-8539(71)80257-x

Cited by 54 publications

(37 citation statements)

References 14 publications

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“…This does not appreciably affect the 6(OH) vibration, but the low- frequency torsion mode of the free ligand has become a genuine y(0H) deformation mode, which should now occur at a much higher wavenumber. For instance, in solid ethanol, it is observed at -660 cm-' (24). It is likely that the y(0H) mode of the complex contributes to the broad infrared absorption at 600-700 cm-' mentioned above.…”

Section: Vibrational Spectroscopymentioning

confidence: 97%

Conformational changes in serine on methylmercury complexation

Corbeil¹,

Beauchamp²

1988

Can. J. Chem.

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X-raydiffra~tion(P2~2,2,, a = 5.821, b = 8.052, c = 14.307A, R = 0.02l)shows that mercury islinearly bonded totheNH2 end of the amino acid, whereas one carboxylate oxygen and the side-chain hydroxyl group establish secondary Hg-0 bonds. Coordination leads to characteristic changes in the infrared and Rarnan spectra of serine. From the ' H and I3C nrnr spectra, N-coordination is found to be retained in aqueous solution, whereas the ligand conformation observed in the solid accounts for 76% of the conformer distribution. MARIE-CLAUDE

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Section: Vibrational Spectroscopymentioning

confidence: 97%

Conformational changes in serine on methylmercury complexation

Corbeil¹,

Beauchamp²

1988

Can. J. Chem.

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“…17,18 In addition, IR bands in the gas phase, diluted solution, solid state, and liquid phase [14][15][16] have also been used to aid assignment.…”

Section: Adsorptionmentioning

confidence: 99%

“…11,[14][15][16][17][18][19][20] A detailed study by Perchard and Josien 14,15 examined gas, diluted solution, liquid, and solid state phases of ethanol, reporting 19 different vibrational bands. Assignment was made difficult based on coupling between the vibrational modes observed in each phase.…”

Section: Introductionmentioning

confidence: 99%

“…More recently, Coussan et al 18 have measured the vibrational spectrum of ethanol trapped in both argon and nitrogen matrices at 9 K. Experimental data, used in conjunction with ab initio calculations, showed that only one form of ethanol conformer was stabilized within the argon matrix and this was insensitive to thermal cycling up to 30 K. Additional studies have measured IR spectra of single crystal ethanol and ethanol in the liquid phase. 16 A limited number of IR studies of multilayer ethanol ices adsorbed on surfaces have been performed. 11,19,21 Camplin and McCash performed a RAIRS study of methanol and ethanol on an oxygen covered Cu͑100͒ surface at 78 K. 19 Spectra of physisorbed ethanol ices, in addition to four deuterated analogs, were presented.…”

Section: Introductionmentioning

confidence: 99%

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The adsorption and desorption of ethanol ices from a model grain surface

Burke

Wolff

Edridge

et al. 2008

The Journal of Chemical Physics

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Copyright and reuse:Sussex Research Online is a digital repository of the research output of the University.Copyright and all moral rights to the version of the paper presented here belong to the individual author(s) and/or other copyright owners. To the extent reasonable and practicable, the material made available in SRO has been checked for eligibility before being made available.Copies of full text items generally can be reproduced, displayed or performed and given to third parties in any format or medium for personal research or study, educational, or not-for-profit purposes without prior permission or charge, provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. Reflection absorption infrared spectroscopy ͑RAIRS͒ and temperature programed desorption ͑TPD͒ have been used to probe the adsorption and desorption of ethanol on highly ordered pyrolytic graphite ͑HOPG͒ at 98 K. RAIR spectra for ethanol show that it forms physisorbed multilayers on the surface at 98 K. Annealing multilayer ethanol ices ͑exposures Ͼ50 L͒ beyond 120 K gives rise to a change in morphology before crystallization within the ice occurs. TPD shows that ethanol adsorbs and desorbs molecularly on the HOPG surface and shows four different species in desorption. At low coverage, desorption of monolayer ethanol is observed and is described by first-order kinetics. With increasing coverage, a second TPD peak is observed at a lower temperature, which is assigned to an ethanol bilayer. When the coverage is further increased, a second multilayer, less strongly bound to the underlying ethanol ice film, is observed. This peak dominates the TPD spectra with increasing coverage and is characterized by fractional-order kinetics and a desorption energy of 56.3Ϯ 1.7 kJ mol −1 . At exposures exceeding 50 L, formation of crystalline ethanol is also observed as a high temperature shoulder on the TPD spectrum at 160 K.

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“…organomercury compounds, including analogous thiolates, together with reported spectra and as signments for ROH [19,20], (MeO)z [21], (MeS)2 [22], (EtS)z [22], EtzO [23], H 3GeOMe [24], Et 2Sn(OMe)z [25], and PhB(OMe)z [26]. As found for PhHgOPh the frequencies of PhHg" modes are close to those reported by BARRACLOUGH et al [14] and GOGGIN and McEWAN [15], and relative intensities follow similar trends.…”

Section: Rhgoph (R = Me Ph)mentioning

confidence: 99%