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The “Diindene” ArInInAr (Ar = C6H3-2,6-Dipp2, Dipp = C6H3-2,6-Pri2). Dimeric versus Monomeric In(I) Aryls:  para-Substituent Effects in Terphenyl Ligands

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posted on 28.06.2002, 00:00 by Robert J. Wright, Andrew D. Phillips, Ned J. Hardman, Philip P. Power
The synthesis and structure of a “diindene” with significant metal−metal bonding are described. It has an In−In distance of 2.9786(5) Å, an In−In−C angle of 121.23(6)°, and an In−In bond order that is probably less than unity.