Heat capacities belong among the fundamental thermophysical
properties which are indispensable for evaluation of the
variation of thermodynamic properties with temperature. Heat
capacity data have a wide field of application in chemical
engineering for establishing energy balances, in thermochemistry
for calculating changes in reaction enthalpies as well as in
evaluation of molecular and supramolecular interactions and
structural changes of materials. Liquid heat capacities also serve
as one of input data for reliable extrapolation of vapor pressure
down to the triple point. Extensive collection of critically
assessed heat capacity data was published and estimation
methods based on this collection were developed. The
present paper is a continuation of our effort to establish
reliable heat capacity data for alcohols as they often exhibit a
complex temperature dependence of liquid heat capacity,
including inflection points, plateau or even maxima,
which is not captured by the existing estimation methods and
which leads to biased estimates with higher uncertainties when
compared to other classes of compounds. For a better understanding
of H-bonding, the stretching mode of O—H bond of
cyclohexanol, cycloheptanol, and cyclooctanol was studied as a
function of temperature. The phase behavior of cyclooctanol and
cyclobutanol was studied by DSC as previously published values
were ambiguous.