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Intermolecular dynamics of ultraconfined interlayer water in Tobermorite: influence on mechanical performance

Abstract

Ultraconfined interlayer water within the tobermorite molecular structure is responsible for changes in the uniaxial tensile and compressive response of the family of tobermorites: 9, 11 and 14 Å. These confined interlayer water molecules are engaged in solvation of cations and anions within the tobermorite structure which has been demonstrated through the intermolecular vibrational spectra and hydrogen bond lifetime of the water molecules. This study demonstrates that instead of ionization of water molecules (as proposed in an earlier study1), breaking of hydrogen bonds of water is more plausible leading to solvation of ions within the molecular structure of tobermorite. Schematics of coordinate covalent bonds between the water molecules and the cations and anions of tobermorite structure has been proposed in the study.

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Publication details

The article was received on 06 Mar 2019, accepted on 25 Apr 2019 and first published on 25 Apr 2019


Article type: Paper
DOI: 10.1039/C9CP01285K
Phys. Chem. Chem. Phys., 2019, Accepted Manuscript

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    Intermolecular dynamics of ultraconfined interlayer water in Tobermorite: influence on mechanical performance

    N. Mitra, P. K. Sarkar and D. Prasad, Phys. Chem. Chem. Phys., 2019, Accepted Manuscript , DOI: 10.1039/C9CP01285K

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