Dustin S Ho

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Computing the enthalpies of formation for alkali metal and alkaline earth metal oxides (M(x)O) and hydroxides [M(OH)(n)] using the Gaussian-n (Gn) and Weismann-n (Wn) ab initio model chemistries is difficult due to an improper treatment of core-valence electron correlation effects. Using a new model chemistry called the correlation consistent Composite(More)
Dispersions containing 40% hydrocortisone were prepared by the solvent method in polyethylene glycol 4000. Dispersions in polyvinylpyrrolidone were prepared by slow evaporation of solvent (type A) and by fast evaporation of solvent (type B). These dispersions were stored at 25 degrees C for 30 d. Plots of time required for 50% (t50%) and 70% (t70%) of the(More)
The correlation consistent composite approach (ccCA) is a model chemistry that has been shown to accurately compute gas-phase enthalpies of formation for alkali and alkaline earth metal oxides and hydroxides (Ho, D. S.; DeYonker, N. J.; Wilson, A. K.; Cundari, T. R. J. Phys. Chem. A 2006, 110, 9767). The ccCA results contrast to more widely used model(More)
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