Fig. 4: Proposed coupled solution-phase equilibria during {Mg2V12} formation.

a The light-independent pre-equilibrium forming the photoactive intermediate {MgV12} and (b) light-driven formation of the di-Mg-functionalized {Mg2V12}.
a The light-independent pre-equilibrium forming the photoactive intermediate {MgV12} and (b) light-driven formation of the di-Mg-functionalized {Mg2V12}.