Silicagel support mediated nonphotolytic cleavage of the rhenium–rhenium bond of [{NC5H4NNC6H4(R)}(CO)3Re0]2. Synthesis of the monomeric species ReI{NC5H4NNC6H4(R)}(CO)3Cl, crystal structure, spectroscopic and electron-transfer properties
chlorinated solvents (CHCl3 or CH2Cl2) the complex 1 transformed into a mononuclear complex of composition ReI(L)(CO)3Cl 2, where the cleavage of Re–Re bond of 1 and the oxidative addition of chlorine to the rhenium center have taken place consecutively. The molecularstructure of the complex 2a (RH) has been determined by single crystalX-ray diffraction. The crystal lattice consists of two crystallographically