Combustion and sublimation calorimetric studies on acetylurea and trimethyl isocyanurate

Article abstract of DOI:10.1016/0021-9614(88)90175-9

Standard enthalpies of formation in the crystalline and gaseous states have been determined for acetylurea and trimethyl isocyanurate by oxygen bomb-combustion calorimetry and sublimation calorimetry.Derived values are as follows:

.Stabilization energies related to intramolecular interaction between ?-electrons of carbonyl groups and lone-pair electrons of adjacent nitrogen atoms have been evaluated for acetamide and urea as well as for these compounds as enthalpy changes of "isodesmic" reactions using ethane as a reagent for the cleavage of CO-N bonds and are discussed.

Full text of DOI:10.1016/0021-9614(88)90175-9

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