Mononuclear, dinuclear, and pentanuclear [{N, S (thiolate)} iron (II)] complexes: Nuclearity control, incorporation of hydroxide bridging ligands, and magnetic behavior

…, AN Sarjeant, DP Goldberg, A Caneschi…

Index: Krishnamurthy, Divya; Sarjeant, Amy N.; Goldberg, David P.; Caneschi, Andrea; Totti, Federico; Zakharov, Lev N.; Rheingold, Arnold L. Chemistry - A European Journal, 2005 , vol. 11, # 24 p. 7328 - 7341

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Abstract

Abstract The mixed N 3 S (thiolate) ligand 1-[bis {2-(pyridin-2-yl) ethyl} amino]-2- methylpropane-2-thiol (Py 2 SH) was used in the synthesis of four iron (II) complexes:[(Py 2 S) FeCl](1),[(Py 2 S) FeBr](2),[(Py 2 S) 4 Fe 5 II (μ-OH) 2](BF 4) 4 (3), and [(Py 2 S) 2 Fe 2 II (μ- OH)] BF 4 (4). The X-ray structures of 1 and 2 revealed monomeric iron (II)–alkylthiolate complexes with distorted trigonal-bipyramidal geometries. The paramagnetic 1 H NMR ...