Organofunctionalized tetranuclear clusters [(MIICl)2(VIVO)2{((HOCH2CH2)(H)N(CH2CH2O))(HN(CH2CH2O)2)}2] (1, M = Co; 2, M = Zn) containing an unprecedented oxometallacyclic {M2V2Cl2N4O8} (M = Co, Zn) framework are prepared by solvothermal reactions. 
THERM