Issue 16, 2012
From the journal:

Physical Chemistry Chemical Physics

Investigation on the vibrational and structural properties of a self-structured bridged silsesquioxane†

Gaëlle Creff,a   Guilhem Arrachart,b   Patrick Hermet,a   Hubert Wadepohl,c   Robert Almairac,a   David Maurin,a   Jean-Louis Sauvajol,a   Carole Carcel,b   Joël J. E. Moreau,b   Philippe Dieudonné,a   Michel Wong Chi Man*b  and  Jean-Louis Bantignies*a  

* Corresponding authors

a Laboratoire Charles Coulomb (UMR CNRS 5521), Université Montpellier 2, 34095 Montpellier Cedex 5, France
E-mail: jean-louis.bantignies@univ-montp2.fr
Fax: +33 467 144 637
Tel: +33 467 144 63

b Laboratoire Architectures Moléculaires et Matériaux Nanostructurés - ICG Montpellier (UMR 5253) CNRS-UM2-ENSCM-UM1, Ecole Nationale Supérieure de Chimie de Montpellier, 8 rue de l'école normale, 34296 Montpellier cedex 5, France
E-mail: michel.wong-chi-man@enscm.fr
Fax: + 33 467 147 212
Tel: + 33 467 147 219

c Anorganisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany

Abstract

The crystalline structure of ureidopyrimidinone-based silane (UPY) has been determined. The local and long range order structuring of the bridged silsesquioxane (MUPY) resulting from the sol–gel hydrolysis–condensation of the former precursor has been investigated by MFTIR (Mid Fourier Transform InfraRed) combined with DFT (Density Functional Theory) and XRD (X-ray diffraction) studies. These studies showed that a long range structuring exists within the organic fragments with the transcription of the DDAA (Donor–Donor–Acceptor–Acceptor) H-bonding array from UPY to MUPY whereas a disordered siloxane network was revealed in the hybrid material.

Graphical abstract: Investigation on the vibrational and structural properties of a self-structured bridged silsesquioxane

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Article information

DOI
https://doi.org/10.1039/C2CP40250E
Article type
Paper
Submitted
24 Jan 2012
Accepted
22 Feb 2012
First published
23 Feb 2012

Phys. Chem. Chem. Phys., 2012,14, 5672-5679

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Investigation on the vibrational and structural properties of a self-structured bridged silsesquioxane

G. Creff, G. Arrachart, P. Hermet, H. Wadepohl, R. Almairac, D. Maurin, J. Sauvajol, C. Carcel, J. J. E. Moreau, P. Dieudonné, M. W. C. Man and J. Bantignies, Phys. Chem. Chem. Phys., 2012, 14, 5672 DOI: 10.1039/C2CP40250E

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