Synthesis and characterization of a linear [Mn3(O 2CMe)4(py)8]2+ complex
Tasiopoulos, Anastasios J.
Moushi, Eleni E.
Kizas, Christos M.
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Two new compounds that consist of the linear trinuclear manganese(II) cation [Mn3(O2CMe)4(py)8] 2+ cocrystallizing with different counteranions (I3 -, ; ClO4 -, ) are reported. Complex 1 was prepared from the reaction of [Mn(O2CMe)2]·4H 2O with I2 in MeCO2H/py, whereas complex 2 was isolated from the reaction of [Mn3O(O2CMe) 6(py)3]·py with [Mn(ClO4) 2]·6H2O in MeCN/py. The crystal structures of both compounds were determined by single crystal X-ray crystallography. Magnetic susceptibility studies that were performed in microcrystalline powder of 1 in the 2-300K range revealed the presence of antiferromagnetic exchange interactions that resulted in an S = 5 / 2 ground spin state.