1968
DOI: 10.1080/05704926808050887
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Spectroscopic Studies of the Hydrogen Bond

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Cited by 204 publications
(40 citation statements)
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“…The D# OH value (the shift of the stretching frequency of the hydroxy group of phenol upon hydrogen bond formation with proton accepting compounds in dilute solutions in CCl 4 ) is usually considered as a measure of the basicity of organic molecules at the stage of hydrogen bond formation. 70 For 2,5-diphenyloxazole this was found to be near 410 cm À1 , which is close to such strong organic bases as pyridine and quinoline. 70 In contrast, for the analogous 2,5-diphenyl derivative of 1,3,4-oxadiazole, the D# OH value was estimated to be considerably lower, 325 cm À1 .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The D# OH value (the shift of the stretching frequency of the hydroxy group of phenol upon hydrogen bond formation with proton accepting compounds in dilute solutions in CCl 4 ) is usually considered as a measure of the basicity of organic molecules at the stage of hydrogen bond formation. 70 For 2,5-diphenyloxazole this was found to be near 410 cm À1 , which is close to such strong organic bases as pyridine and quinoline. 70 In contrast, for the analogous 2,5-diphenyl derivative of 1,3,4-oxadiazole, the D# OH value was estimated to be considerably lower, 325 cm À1 .…”
Section: Resultsmentioning
confidence: 99%
“…70 For 2,5-diphenyloxazole this was found to be near 410 cm À1 , which is close to such strong organic bases as pyridine and quinoline. 70 In contrast, for the analogous 2,5-diphenyl derivative of 1,3,4-oxadiazole, the D# OH value was estimated to be considerably lower, 325 cm À1 . The ESIPT reaction takes place along the intramolecular hydrogen bond between the ortho-hydroxy group and nitrogen atom of the heterocycle.…”
Section: Resultsmentioning
confidence: 99%
“…Later work has fully confirmed these findings [2,248,257]. There are indeed many useful relationships between the frequency shifts and the bond energies within the confines of a very closely related series, and these can be valuable for example in studies on steric hinderance, but any change of proton donor, or a major change of acceptor will invalidate the relation.…”
Section: Oh O Hydrogen Bondsmentioning
confidence: 85%
“…There have been many measurements of the hydrogen bond energies of carboxylic acid dimers and much of this data is summarized in reference [248]. The measure of agreement amongst different workers is relatively poor reflecting the experimental difficulties.…”
Section: O Bonds In Acidsmentioning
confidence: 99%
“…Mackay and Patterson (1981) have also noted that, In general fur ltydr ophobic solutes, the partitioning process is primarily controlled by aqueous solubility. Murthy and Rao (1968) give a value of AH for the aniline dimer as 1.64 kcal/mole, while the AH value for aniline and NBA is about 3 kcal/mole.…”
mentioning
confidence: 96%