An energetic coordination compound [Co-2(C2H5N5)(2)(C7H3NO4)(2)(H2O)(2)]center dot 2H(2)O (Hdatrz(C2H5N5) = 3,5-diamino-1,2,4-triazole, H(2)pda(C7H5NO4) = pyridine-2,6-dicarboxylic acid) has been synthesized and characterized by elemental analysis, chemical analysis, IR spectroscopy, single-crystal X-ray diffraction and thermal analysis. X-ray diffraction analysis confirmed that the compound possessed a di-nuclear unit and featured a 3D super-molecular structure. Furthermore, a reasonable thermochemical cycle was designed based on the preparation reaction of the compound and the standard molar enthalpy of dissolution of reactants and products was measured by the RD496-2000 calorimeter. Finally, the standard molar enthalpy of formation of the compound was determined to be -(2475.0 +/- 3.1) kJ . mol(-1) in accordance with Hess's law. In addition, the specific heat capacity of the compound at T = 298.15 K was determined to be (1.13 +/- 0.02) J . K-1 . g(-1) by RD496-2000 calorimeter. (C) 2014 Elsevier Ltd. All rights reserved.