The Born-Haber cycle for KCl is evaluated with the following data: Δ_f H^ for KCl =-436.7 kJ mol^-1; Δ_sub H^ for K =89.2 kJ mol^-1; Δ_ionization H^…

The Born-Haber cycle for KCl is evaluated with the following data : $$\begin{aligned} & \Delta_f \mathrm{H}^{\ominus} \text { for } \mathrm{KCl}=-436.7 \mathrm{~kJ} \mathrm{~mol}^{-1} ; \Delta_{\text {sub }} \mathrm{H}^{\ominus} \text { for } \mathrm{K}=89.2 \mathrm{~kJ} \mathrm{~mol}^{-1} ; \\ & \Delta_{\text {ionization }} \mathrm{H}^{\ominus} \text { for } \mathrm{K}=419.0 \mathrm{~kJ} \mathrm{~mol}^{-1} ; \Delta_{\text {electron gain }} \mathrm{H}^{\ominus} \text { for } \mathrm{Cl}_{(\mathrm{g})}=-348.6 \mathrm{~kJ} \mathrm{~mol}^{-1} ; \\ & \Delta_{\text {bond }} \mathrm{H}^{\ominus} \text { for } \mathrm{Cl}_2=243.0 \mathrm{~kJ} \mathrm{~mol}^{-1} \end{aligned} $$ The magnitude of lattice enthalpy of KCl in $\displaystyle \mathrm{kJ} \mathrm{mol}^{-1}$ is \_\_\_\_. (Nearest integer)