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Structures of Pentaarylbismuth Compounds
Schmuck, Arno,Seppelt, Konrad
, p. 803 - 808 (2007/10/02)
Pentaarylbismuth compounds were synthesized by the known reaction Ar3BiX2 + 2 Ar'Li ---> 2 LiX + BiAr3Ar'2.Whenever possible they were characterized by single-crystal X-ray structure determination.In two cases almost ideal square-pyramidal geometry was found, in a third case there were two different molecules in the unit cell, both again with square-pyramidal geometry.None of these novel bismuth pentaaryls exhibit the deep coloration and the dichroism of Bi(C6H5)5. - Key Words: Bismuth organic compounds / Fluorinated aromatic rings / Square pyramidal bismuth
