Given the following thermodynamic data, calculate the lattice energy of CaBr2(s). Term Value (kJ/mol) ΔH∘f[CaBr2(s)] -675 ΔH∘f[Ca(g)] 178 ΔH∘f[Br(g)] 112 I1(Ca) 590. I2(Ca) 1145 EA(Br) -325 Express your answer to four significant figures, and include the appropriate units.