Preprint Article Version 1 This version is not peer-reviewed

Pentanuclear Hetero-bimetallic 3d-4f Complexes of the Ln2Ni3 type: Pr2Ni3 and Gd2Ni3

Version 1 : Received: 12 April 2018 / Approved: 12 April 2018 / Online: 12 April 2018 (13:54:58 CEST)

How to cite: König, J.; Kelling, A.; Schilde, U.; Strauch, P.; Taubert, A. Pentanuclear Hetero-bimetallic 3d-4f Complexes of the Ln2Ni3 type: Pr2Ni3 and Gd2Ni3. Preprints 2018, 2018040167 (doi: 10.20944/preprints201804.0167.v1). König, J.; Kelling, A.; Schilde, U.; Strauch, P.; Taubert, A. Pentanuclear Hetero-bimetallic 3d-4f Complexes of the Ln2Ni3 type: Pr2Ni3 and Gd2Ni3. Preprints 2018, 2018040167 (doi: 10.20944/preprints201804.0167.v1).

Abstract

In aqueous solution planar bis(1,2-dithiooxalato)nickelates(II), [Ni(dto)2]2- react with lanthanide ions (Ln3+) to form pentanuclear, hetero-bimetallic complexes of the general composition [{Ln(H2O)n}2{Ni(dto)2}3] · x H2O (n = 4 or 5; x = 9 - 12). Two complexes of this series, [{Pr(H2O)5}2{Ni(dto)2}3] · 11 H2O, Pr2Ni3 1 and [{Gd(H2O)5}2{Ni(dto)2}3] · 11 H2O, Gd2Ni3 2 were synthesized and characterized by single crystal X-ray structure analysis, X-ray powder diffraction, and IR spectroscopy. All Ln2Ni3 complexes crystallize as monoclinic crystals in the space group P21/c.

Subject Areas

lanthanides, 1,2-dithiooxalate, crystal structure, nickel(II)

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