Spectroscopic Investigations of Hydrogen Bond Network Structures in Water Clusters

Kenta Mizuse, Ph.D. Date of Birth: February 16, 1984 Place of Birth: Niigata, Japan Nationality: Japan   Since April 2011 Department of Photo-Molecular Science (Prof. Yasuhiro Ohshima’s Lab.), Institute for Molecular Science, Japan Assistant professor   April 2008-March 2011 The Japan Society for the Promotion of Science (JSPS) Research fellow   April 2006-March 2011 Department of Chemistry, Graduate School of Science, Tohoku University, Japan Ph.D. student Supervisor: Professor Asuka Fujii Degree obtained: Ph.D. in Science   April 2002-March 2006 Department of Chemistry, Faculty of Science, Tohoku University, Japan Undergraduate student Supervisor: Professor Naohiko Mikami   Publications 1                Mizuse, K. & Fujii, A. Infrared Spectroscopy of Large Protonated Water Clusters H+(H2O)20-50 Cooled by Inert Gas Attachment. Chem. Phys. in press, doi:10.1016/j.chemphys.2012.07.012 (2013). 2                Mizuse, K. & Fujii, A. Tuning of the Internal Energy and Isomer Distribution in Small Protonated Water Clusters H+(H2O)4–8: An Application of the Inert Gas Messenger Technique. J. Phys. Chem. A 116, 4868-4877 (2012). 3                Mizuse, K., Suzuki, Y., Mikami, N. & Fujii, A. Solvation-Induced σ-Complex Structure Formation in the Gas Phase: A Revisit to the Infrared Spectroscopy of [C6H6–(CH3OH)2]+. J. Phys. Chem. A 115, 11156-11161 (2011). 4                Mizuse, K., Kuo, J.-L. & Fujii, A. Structural trends of ionized water networks: Infrared spectroscopy of water cluster radical cations(H2O)n+ (n = 3-11). Chem. Sci. 2, 868-876 (2011). 5                Mizuse, K. & Fujii, A. Structural Origin of the Antimagic Number in Protonated Water Clusters H+(H2O)n: Spectroscopic Observation of the “Missing” Water Molecule in the Outermost Hydration Shell. J. Phys. Chem. Lett. 2, 2130-2134 (2011). 6                Mizuse, K. & Fujii, A. Infrared photodissociation spectroscopy of H+(H2O)6·Mm (M = Ne, Ar, Kr, Xe, H2, N2, and CH4): messenger-dependent balance between H3O+ and H5O2+ core isomers. Phys. Chem. Chem. Phys. 13, 7129-7135 (2011). 7                Hamashima, T., Mizuse, K. & Fujii, A. Spectral Signatures of Four-Coordinated Sites in Water Clusters: Infrared Spectroscopy of Phenol−(H2O)n (~20 ≤ n ≤ ~50). J. Phys. Chem. A 115, 620-625 (2011). 8                Mizuse, K., Mikami, N. & Fujii, A. Infrared Spectra and Hydrogen-Bonded Network Structures of Large Protonated Water Clusters H+(H2O)n (n=20-200). Angew. Chem. Int. Ed. 49, 10119-10122 (2010). 9                Mizuse, K., Hasegawa, H., Mikami, N. & Fujii, A. Infrared and Electronic Spectroscopy of Benzene−Ammonia Cluster Radical Cations [C6H6(NH3)1,2]+: Observation of Isolated and Microsolvated σ-Complexes†. J. Phys. Chem. A 114, 11060-11069 (2010). 10              Mizuse, K., Hamashima, T. & Fujii, A. Infrared Spectroscopy of Phenol−(H2O)n>10: StructuralStrains in Hydrogen Bond Networks of Neutral Water Clusters. J. Phys. Chem. A 113, 12134-12141 (2009). 11              Hasegawa, H. et al. Observation of an isolated intermediate of the nucleophilic aromatic substition reaction by infrared spectroscopy. Angew. Chem. Int. Ed. 47, 6008-6010 (2008). 12              Suhara, K., Fujii, A., Mizuse, K., Mikami, N. & Kuo, J. L. Compatibility between methanol and water in the three-dimensional cage formation of large-sized protonated methanol-water mixed clusters. J. Chem. Phys. 126, 194306 (2007). 13              Mizuse, K., Fujii, A. & Mikami, N. Long range influence of an excess proton on the architecture of the hydrogen bond network in large-sized water clusters. J. Chem. Phys. 126, 231101 (2007). 14              Mizuse, K., Fujii, A. & Mikami, N. Infrared and electronic spectroscopy of a model system for the nucleophilic substitution intermediate in the gas phase: The C-N valence bond formation in the benzene-ammonia cluster cation. J. Phys. Chem. A 110, 6387-6390 (2006).  

General Introduction.- Infrared spectroscopy of chromophore-labeled water clusters phenol-(H2O)n (n < ~50).- Infrared pectroscopy of large protonated water clusters H+(H2O)n (n ≤ 221).- Tuning of the Internal Energy and Isomer Distribution in Protonated Water Clusters H+(H2O)n (n ≤ 50): Towards a more detailed understanding of structures and dynamics.- Infrared spectroscopy of water cluster radical cations (H2O)n+ (n ≤ 11).- Conclusions and future work.