Mixed-metal complex consisting of ruthenium(II,III) pivalate, ([Ru₂(piv)₄]⁺) (Hpiv = pivalic acid), tetraethylammonium and octacyanidotungstate(V) ions, (Et₄N)[{Ru₂(piv)₄}₂W(CN)₈]·4H₂O, was synthesized and characterized by elemental analysis, infrared and UV-vis spectra and temperature dependence of magnetic susceptibilities (2-300 K). The magnetic susceptibilities, zero-field-cooled and field-cooled magnetizations, and AC susceptibility data showed that the present complex is ferrimagnetic with T_{c} value of 80 K. The field dependence of magnetization exhibited a hysteresis with a coercive field of 17000 Oe at 5 K.
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