http://www.cnr.it/ontology/cnr/individuo/prodotto/ID181269

Unprecedented eta1-P basal Coordination of P4X3 Molecules (X = S, Se). An Experimental and Theoretical Study of the Apical vs. Basal Complexation Dichotomy (Articolo in rivista)

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Unprecedented eta1-P basal Coordination of P4X3 Molecules (X = S, Se). An Experimental and Theoretical Study of the Apical vs. Basal Complexation Dichotomy (Articolo in rivista) (literal)

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Guidoboni, Elisabetta; de los Ríos, Isaac; Ienco, Andrea; Marvelli, Lorenza; Mealli, Carlo; Romerosa, Antonio; Rossi, Roberto; Peruzzini, Maurizio (2002)
Unprecedented eta1-P basal Coordination of P4X3 Molecules (X = S, Se). An Experimental and Theoretical Study of the Apical vs. Basal Complexation Dichotomy
in Inorganic chemistry (Online); ACS, American chemical society, Washington, DC (Stati Uniti d'America)
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Guidoboni, Elisabetta; de los Ríos, Isaac; Ienco, Andrea; Marvelli, Lorenza; Mealli, Carlo; Romerosa, Antonio; Rossi, Roberto; Peruzzini, Maurizio (literal)

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Elisabetta Guidoboni, Lorenza Marvelli, Roberto Rossi: Laboratorio di Chimica Nucleare ed Inorganica, Dipartimento di Chimica, UniVersita` di Ferrara Isaac de los Rios, Andrea Ienco, Carlo Mealli, Roberto Rossi, Maurizio Peruzzini: ISSECC-CNR Antonio Romerosa: Area de Qumica Inorganica, Facultad de Ciencias, Universidad de Almeria, Almeria, Spain (literal)

Titolo

Unprecedented eta1-P basal Coordination of P4X3 Molecules (X = S, Se). An Experimental and Theoretical Study of the Apical vs. Basal Complexation Dichotomy (literal)

Abstract

Reaction of [(triphos)Re(CO)2(OTf)] (1) [triphos ) MeC(CH2PPh2)3; OTf ) OSO2CF3] with P4S3 and P4Se3 yields pairs of coordination isomers, namely, [(triphos)Re(CO)2{è1-Papical-P4X3}]+ (X ) S, 2; Se, 5) and [(triphos)Re- (CO)2{è1-Pbasal-P4X3}]+ (X ) S, 3; Se, 6). The latter represent the first examples of the è1-Pbasal coordination achieved by the P4X3 molecular cage. Further reaction of 2/3 and 5/6 mixtures with 1 affords the dinuclear species [{(triphos)Re(CO)2}2{í,è1:1-Papical,Pbasal-P4X3}]2+ (X ) S, 4; Se, 7) in which the unprecedented M-è1-Pbasal/è1- Papical-M¢ bridging coordination of the P4X3 molecule is accomplished. A theoretical analysis of the bonding properties of the two coordination isomers is also presented. The directionality of apical vs basal phosphorus lone pairs is also discussed in terms of MO arguments. (literal)

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