Use the following data to calculate the lattice energy of caesium oxide.
Enthalpy of formation of caesium oxide =−233 kJ/mol
Enthalpy of sublimation of Cs=+78 kJ/mol
First ionization energy of Cs=+375 kJ/mol
Enthalpy of dissociation of O2 (g)=494 kJ/mol
First electron affinity of O=−141 kJ/mol
Second electron affinity of O=+845 kJ/mol