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Article Dans Une Revue RSC Advances Année : 2013

Structure and dynamics of guest molecules confined in a mesoporous silica matrix: Complementary NMR and PDF characterisation

Résumé

We present an experimental approach to study the structure and dynamics of molecular functional complexes in porous host matrices. Combining the results of Solid-State NMR and pair distribution function analysis based on total X-ray scattering data the structural arrangement and dynamical behaviour of Na-2[Fe(CN)(5)NO]center dot 2H(2)O (SNP) embedded in amorphous SiO2 matrix is investigated. We show that the SNP complexes are embedded as isolated complexes within the SiO2 pores and propose a structural model for the cation and anion arrangement. Additionally the NMR results demonstrate the rotational dynamics of the SNP complexes.

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Cristallographie
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Dates et versions

hal-01520989 , version 1 (11-05-2017)

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Kuan-Ying Hsieh, El-Eulmi Bendeif, Axel Gansmuller, Sébastien Pillet, Theo Woike, et al.. Structure and dynamics of guest molecules confined in a mesoporous silica matrix: Complementary NMR and PDF characterisation. RSC Advances, 2013, 3 (48), pp.26132-26141. ⟨10.1039/c3ra45347b⟩. ⟨hal-01520989⟩
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