The standard heat of formation of CaBr₂ is -675 kJ/mol. The first ionization energy of Ca is 590 kJ/mol, and its second ionization energy is 1145 kJ/mol. The heat of sublimation of Ca[Ca(s) → Ca(g)] is 178 kJ/mol. The bond energy of Br₂ is 193 kJ/mol, the heat of vaporization of Br₂(1) is 31 kJ/mol, and the electron affinity of Br is -325 kJ/mol. Calculate the lattice energy of Cabr₂.