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wizyta

od 2020-09-20


Authors: Wasyluk L., Peplińska B., Jurga S.

Title: Molecular dynamics of tert-butyl chloride in CPG studied by NMR

Source: Solid State Nuclear Magnetic Resonance

Year : 2004


Abstract:

The molecular dynamics of tert-butyl chloride (TBC) confined to Controlled Pore Glass matrices of 25 and 7.5 nm were investigated by measuring NMR linewidths, lineshapes, and H-1 and H-2 spin-lattice relaxation times. The behaviour of confined TBC can be explained assuming that the guest molecules form two distinct phases; the surface-affected phase, composed of molecules located at the pore surface, and the bulk-like phase located at the centre of the pores. The bulk-like component of confined TBC, at the temperatures corresponding to the phase III, is characterized by two dynamically different subphases.
(C) 2003 Elsevier Inc. All rights reserved.

DOI: 10.1016/j.ssnmr.2003.03.028   (Pobrane:  2020-10-21)

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