Abstract

The aryloxo samarium complex [Sm(ArO) 3(THF)](THF) has been prepared by the reaction of SmCl 3 with 3 equiv. of NaOAr in THF. An X-ray crystallographic analysis shows the complex to be a four-coordinate aryloxide complex. Three oxygen atoms of aryloxo and one oxygen atom of THF coordinate to the samarium to form a distorted tetrahedron. The average SmO(Ar) distance is 2.151(7) Å.

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