Issue 12, 2015
From the journal:

RSC Advances

Structural characterization of α-amino acid complexes of molybdates: a spectroscopic and DFT study†

Lorenzo Biancalana,a   Marco Bortoluzzi,b   Claudia Forte,c   Fabio Marchettia  and  Guido Pampaloni*a  

* Corresponding authors

a University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via Moruzzi 3, I-56124 Pisa, Italy
E-mail: guido.pampaloni@unipi.it, fabmar@dcci.unipi.it
Web: http://www.dcci.unipi.it/guido-pampaloni.html
Tel: +39-050-2219219

b Ca'Foscari University of Venice, Dipartimento di Scienze Molecolari e Nanosistemi, Dorsoduro 2137, I-30123 Venezia, Italy

c Istituto di Chimica dei Composti OrganoMetallici, CNR, Area della Ricerca di Pisa, Via Moruzzi 1, I-56124 Pisa, Italy

Abstract

The reactions of L-enantiopure α-amino acids (aaH) with Na2MoO4 led to the high-yield isolation of Mo(VI) complexes of general formula Mo2O4(OH)4(aaH). A similar outcome was achieved by using (NH4)6Mo7O24 in the place of Na2MoO4. Solid-state IR and NMR spectroscopy indicated the presence of cis-MoO2 units linked by a zwitterionic amino acid ligand, via a bidentate bridging coordination through the carboxylate group. Thus possible dinuclear and polynuclear structures are proposed on the basis of DFT calculations.

Graphical abstract: Structural characterization of α-amino acid complexes of molybdates: a spectroscopic and DFT study

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Article information

DOI
https://doi.org/10.1039/C4RA14236E
Article type
Paper
Submitted
10 Nov 2014
Accepted
24 Dec 2014
First published
09 Jan 2015

RSC Adv., 2015,5, 9010-9018

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Structural characterization of α-amino acid complexes of molybdates: a spectroscopic and DFT study

L. Biancalana, M. Bortoluzzi, C. Forte, F. Marchetti and G. Pampaloni, RSC Adv., 2015, 5, 9010 DOI: 10.1039/C4RA14236E

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