Novel neutral iron(II) isocyanide maleonitrile dithiolate [Fe(S2C2(CN)2)(t-BuNC) 4] compound

Novel neutral iron(II) isocyanide maleonitrile dithiolate [Fe(S2C2(CN)2)(t-BuNC) 4] compound

FeBr2 reacts with the S2C2(CN)2(2-) ion (1:1 ratio) in the presence of an excess of t-BuNC in THF to give the mixed ligand [Fe(S2C2(CN)2)(t-BuNC) 4] compound. This neutral product with a formal oxidation state of two for the iron atom was characterized by conductivity measurements, and, i.r., Mössbauer, 13C and ¹H n.m.r. spectroscopy. There is a Fe-C pi back-donation strengthened towards isocyanide ligands, according to the data of 13C, ¹H n.m.r. and Mössbauer spectroscopy.

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Bibliographic Details
Main Authors: Morigaki,Milton K., Silva,Elias M. da, Melo,Carlos V. P. de, Larica,Carlos, Biondo,Armando, Freitas,Jair C. C., Dias,Gilson H. M., Ribeiro,Holgadinei R.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Química 2004
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422004000100016
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