The gem-Diol Form of (py)2 CO as a Ligand in Cobalt(II) Carboxylate Clusters: A Cubane Complex and a Novel Nonanuclear Species with a Vertex-Sharing Double Square Pyramidal Structure

Alexandros Tsohos; Stavroula Dionyssopoulou; Catherine P Raptopoulou; Aris Terzis; Evangelos G Bakalbassis; Spyros P Perlepes

doi:10.1002/(SICI)1521-3773(19990401)38:7<983::AID-ANIE983>3.0.CO;2-K

The gem-Diol Form of (py)₂ CO as a Ligand in Cobalt(II) Carboxylate Clusters: A Cubane Complex and a Novel Nonanuclear Species with a Vertex-Sharing Double Square Pyramidal Structure

Angew Chem Int Ed Engl. 1999 Apr 1;38(7):983-985. doi: 10.1002/(SICI)1521-3773(19990401)38:7<983::AID-ANIE983>3.0.CO;2-K.

Authors

Alexandros Tsohos¹, Stavroula Dionyssopoulou², Catherine P Raptopoulou¹, Aris Terzis¹, Evangelos G Bakalbassis³, Spyros P Perlepes²

Affiliations

¹ Institute of Materials Science, NCSR "Demokritos", GR-153 10 Aghia Paraskevi Attikis (Greece), Fax: (+30) 1-6519430.
² Department of Chemistry, University of Patras, GR-265 00 Patras (Greece), Fax: (+30) 61-997118.
³ Laboratory of Applied Quantum Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-540 06 Thessaloniki (Greece), Fax: (+30) 31-997738.

PMID: 29711849
DOI: 10.1002/(SICI)1521-3773(19990401)38:7<983::AID-ANIE983>3.0.CO;2-K

Abstract

A vertex-sharing double square pyramid of cobalt(II) ions (see picture) is present in the nonanuclear complex 1, obtained by treating cobalt acetate with 0.5 equivalents of (py₂ )CO. The corresponding 1:1 reaction gave 2, which has a central core with a cubane structure. py=pyridine.

Keywords: Clusters; Cobalt; Magnetic properties; O ligands.