Pentanuclear Thorium(IV) Coordination Cluster from the Use of Di(2-pyridyl) Ketone

Inorg Chem. 2021 Aug 16;60(16):11888-11892. doi: 10.1021/acs.inorgchem.1c01800. Epub 2021 Aug 5.

Abstract

The Th(NO3)4·5H2O/di(2-pyridyl) ketone [(py)2CO] reaction system gives a pentanuclear cluster containing the doubly deprotonated form of the gem-diol derivative of the ligand. The cluster consists of a tetrahedral arrangement of four ThIV ions centered on the fifth ion, which is the first characterized ThIV5 complex. The analysis of its structure reveals that this is a Kuratowski-type coordination compound.