A comparative study of the structure and bonding in heavier pnictinidene complexes [(ArE)M(CO) n] (E = As, Sb and Bi; M = Cr, Mo, W and Fe)

Iva Vránová,, Vít Kremláček, Milan Erben, Jan Turek, Roman Jambor, Ales Ruzicka, Mercedes Alonso Giner, Libor Dostál

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40 Citaten (Scopus)

Samenvatting

N,C,N-Chelated pnictinidenes ArE [where E = As (1), Sb (2) or Bi (3); Ar = C 6H 3-2,6-(CH=Nt-Bu) 2] were used as ligands for the coordination of transition metal carbonyls. Thus, the reaction of 1-3 with [M(CO) 5THF] (where M = Cr, W) or [Mo(CO) 5(Me 3N)] gave complexes [(ArE)M(CO) 5] [where E = As and M = Cr (1a), Mo (1b), W (1c); E = Sb and M = Cr (2a), Mo (2b), W (2c); E = Bi and M = Cr (3a), Mo (3b), W (3c)]. Analogously, the treatment of 1-3 with [Fe 2(CO) 9] resulted in the formation of the complexes [(ArE)Fe(CO) 4] [where E = As (1d), Sb (2d) or Bi (3d)]. All compounds were characterized by 1H and 13C NMR spectroscopy, Raman, IR and UV-Vis spectroscopy. The molecular structures of the majority of the compounds (except 1b and 1c) were also determined by the single-crystal X-ray diffraction analysis. Furthermore, the structure and bonding of the title compounds have also been thoroughly investigated using a computational approach.

Originele taal-2English
Pagina's (van-tot)3556-3568
Aantal pagina's13
TijdschriftDalton Transactions
Volume46
Nummer van het tijdschrift11
DOI's
StatusPublished - 2017

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