Abstract
The energy of combustion of cobalt tetrakis(4-metoxyphenyl)porphin was determined in an isothermic-shell liquid calorimeter with a stationary calorimetric bomb. The standard enthalpies of combustion and formation of the complex were calculated, −Δ
c
H
o
= 27334.06 ± 50.98 kJ/mol and Δ
f
H
o
= 3062.90 ± 50.97 kJ/mol.