Hydrogen-bond cooperativity in 1-alkanol + <I>n</I>-alkane binary mixtures Export

@article{citeulike:1724572, abstract = {Hydrogen-bond cooperativity is an effect when hydrogen bonding is influenced by the previously formed hydrogen bond on the molecules. Using Fourier-transform infrared spectroscopy, we have measured the extent of self hydrogen bonding in 1-hexanol and 1-pentanol dissolved in n-hexane. Conventional theories without hydrogen-bond cooperativity, such as the statistical-association-fluid theory, lattice-fluid-hydrogen-bonding theory, and associated perturbed-anisotropic-chain theory, cannot represent the experimental data accurately. The extended lattice-fluid-hydrogen-bonding theory that includes hydrogen-bond cooperativity agrees well with the experimental data. Study suggests that the equilibrium constant for the second hydrogen bond on 1-alkanol molecules is 10 times larger than that for the first hydrogen bond formation. Hence, strong hydrogen bond cooperativity exists in 1-alkanol self association. Equations of state dealing with 1-alkanol mixtures need to be modified to account for this strong hydrogen-bond cooperativity.}, address = {Dept. of Chemical Engineering, Auburn University, Auburn, AL 36849}, author = {Gupta, Ram B. and Brinkley, Ray L.}, citeulike-article-id = {1724572}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/aic.690440122}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/108068183/ABSTRACT}, doi = {10.1002/aic.690440122}, journal = {AIChE Journal}, keywords = {alcool, cooperativity, hydrogen-bond}, number = {1}, pages = {207--213}, posted-at = {2007-10-03 17:10:36}, priority = {2}, title = {Hydrogen-bond cooperativity in 1-alkanol + <I>n</I>-alkane binary mixtures}, url = {http://dx.doi.org/10.1002/aic.690440122}, volume = {44}, year = {1998} }

TY - JOUR ID - citeulike:1724572 L3 - citeulike-article-id:1724572 N2 - Hydrogen-bond cooperativity is an effect when hydrogen bonding is influenced by the previously formed hydrogen bond on the molecules. Using Fourier-transform infrared spectroscopy, we have measured the extent of self hydrogen bonding in 1-hexanol and 1-pentanol dissolved in n-hexane. Conventional theories without hydrogen-bond cooperativity, such as the statistical-association-fluid theory, lattice-fluid-hydrogen-bonding theory, and associated perturbed-anisotropic-chain theory, cannot represent the experimental data accurately. The extended lattice-fluid-hydrogen-bonding theory that includes hydrogen-bond cooperativity agrees well with the experimental data. Study suggests that the equilibrium constant for the second hydrogen bond on 1-alkanol molecules is 10 times larger than that for the first hydrogen bond formation. Hence, strong hydrogen bond cooperativity exists in 1-alkanol self association. Equations of state dealing with 1-alkanol mixtures need to be modified to account for this strong hydrogen-bond cooperativity. IS - 1 JF - AIChE Journal AD - Dept. of Chemical Engineering, Auburn University, Auburn, AL 36849 EP - 213 TI - Hydrogen-bond cooperativity in 1-alkanol + <I>n</I>-alkane binary mixtures VL - 44 SP - 207 KW - alcool KW - cooperativity KW - hydrogen-bond AU - Gupta, Ram AU - Brinkley, Ray PY - 1998/// UR - http://dx.doi.org/10.1002/aic.690440122 ER -