Structure and magnetic properties of ferrimagnetic chain formed by manganese(II) and nitronyl nitroxides
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Add time:09/05/2019 Source:sciencedirect.com
We report the structure of a one-dimensional chain compound formed by manganese(II) hexafluoroacetylacetonate (hfac) and nitroxide radical 2-diethylin-4,4,5,5-tetramethyl-4,5-dihydro-1-imidazol-1-oxy-3-oxide (NITPhNEt2), Mn(hfac)2·NITPhNEt2·C2H5OH, which crystallize in the monoclinic C2/c space group with a=28.4028(2) Å, b=13.4494(8) Å, c=23.8493(1) Å, β=124.4110(1)°, and Z=8. In the compound Mn(hfac)2 units are bridged by the MITPhNEt2 radical which is cis-coordinated toward the manganese originating a chain. The magnetic susceptibility in the range of temperature 4–300 K is typical of a ferrimagnetic chain formed by alternating spins 5/2 and spins 1/2.
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