Reaction of CoCl2•4H2O with Ag 3[Cr(ox)3] (3:mol/mol) in methanol gives rise to an oxalate-bridged complex [Co(MeOH)2]3[Cr(ox) 3]2•6MeOH that consists of a rare cloverleaf-like layered structure (12,3-net). Ferromagnetic coupling is operative between the adjacent metal ions through the oxalate bridges.
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