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Quantum rotation of ortho and para-water encapsulated in a fullerene cage

Inelastic neutron scattering, far-infrared spectroscopy, and cryogenic nuclear magnetic resonance are used to investigate the quantized rotation and ortho–para conversion of single water molecules trapped inside closed fullerene cages. The existence of metastable ortho -water molecules is demonstrat... Full description

Journal Title: Proceedings of the National Academy of Sciences 07 August 2012, Vol.109(32), p.12894
Main Author: Carlo Beduz
Other Authors: Marina Carravetta , Judy Y.-C. Chen , Maria Concistrè , Mark Denning , Michael Frunzi , Anthony J. Horsewill , Ole G. Johannessen , Ronald Lawler , Xuegong Lei , Malcolm H. Levitt , Yongjun Li , Salvatore Mamone , Yasujiro Murata , Urmas Nagel , Tomoko Nishida , Jacques Ollivier , Stéphane Rols , Toomas Rõõm , Riddhiman Sarkar , Nicholas J. Turro , Yifeng Yang
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0027-8424 ; E-ISSN: 1091-6490 ; DOI: 10.1073/pnas.1210790109
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recordid: pnas_s109_32_12894
title: Quantum rotation of ortho and para-water encapsulated in a fullerene cage
format: Article
creator:
  • Carlo Beduz
  • Marina Carravetta
  • Judy Y.-C. Chen
  • Maria Concistrè
  • Mark Denning
  • Michael Frunzi
  • Anthony J. Horsewill
  • Ole G. Johannessen
  • Ronald Lawler
  • Xuegong Lei
  • Malcolm H. Levitt
  • Yongjun Li
  • Salvatore Mamone
  • Yasujiro Murata
  • Urmas Nagel
  • Tomoko Nishida
  • Jacques Ollivier
  • Stéphane Rols
  • Toomas Rõõm
  • Riddhiman Sarkar
  • Nicholas J. Turro
  • Yifeng Yang
subjects:
  • Sciences (General)
ispartof: Proceedings of the National Academy of Sciences, 07 August 2012, Vol.109(32), p.12894
description: Inelastic neutron scattering, far-infrared spectroscopy, and cryogenic nuclear magnetic resonance are used to investigate the quantized rotation and ortho–para conversion of single water molecules trapped inside closed fullerene cages. The existence of metastable ortho -water molecules is demonstrated, and the interconversion of ortho -and para -water spin isomers is tracked in real time. Our investigation reveals that the ground state of encapsulated ortho water has a lifted degeneracy, associated with symmetry-breaking of the water environment.
language: eng
source:
identifier: ISSN: 0027-8424 ; E-ISSN: 1091-6490 ; DOI: 10.1073/pnas.1210790109
fulltext: fulltext_linktorsrc
issn:
  • 0027-8424
  • 00278424
  • 1091-6490
  • 10916490
url: Link


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titleQuantum rotation of ortho and para-water encapsulated in a fullerene cage
creatorCarlo Beduz ; Marina Carravetta ; Judy Y.-C. Chen ; Maria Concistrè ; Mark Denning ; Michael Frunzi ; Anthony J. Horsewill ; Ole G. Johannessen ; Ronald Lawler ; Xuegong Lei ; Malcolm H. Levitt ; Yongjun Li ; Salvatore Mamone ; Yasujiro Murata ; Urmas Nagel ; Tomoko Nishida ; Jacques Ollivier ; Stéphane Rols ; Toomas Rõõm ; Riddhiman Sarkar ; Nicholas J. Turro ; Yifeng Yang
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descriptionInelastic neutron scattering, far-infrared spectroscopy, and cryogenic nuclear magnetic resonance are used to investigate the quantized rotation and ortho–para conversion of single water molecules trapped inside closed fullerene cages. The existence of metastable ortho -water molecules is demonstrated, and the interconversion of ortho -and para -water spin isomers is tracked in real time. Our investigation reveals that the ground state of encapsulated ortho water has a lifted degeneracy, associated with symmetry-breaking of the water environment.
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titleQuantum rotation of ortho and para-water encapsulated in a fullerene cage
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Inelastic neutron scattering, far-infrared spectroscopy, and cryogenic nuclear magnetic resonance are used to investigate the quantized rotation and ortho–para conversion of single water molecules trapped inside closed fullerene cages. The existence of metastable ortho -water molecules is demonstrated, and the interconversion of ortho -and para -water spin isomers is tracked in real time. Our investigation reveals that the ground state of encapsulated ortho water has a lifted degeneracy, associated with symmetry-breaking of the water environment.

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authorCarlo Beduz ; Marina Carravetta ; Judy Y.-C. Chen ; Maria Concistrè ; Mark Denning ; Michael Frunzi ; Anthony J. Horsewill ; Ole G. Johannessen ; Ronald Lawler ; Xuegong Lei ; Malcolm H. Levitt ; Yongjun Li ; Salvatore Mamone ; Yasujiro Murata ; Urmas Nagel ; Tomoko Nishida ; Jacques Ollivier ; Stéphane Rols ; Toomas Rõõm ; Riddhiman Sarkar ; Nicholas J. Turro ; Yifeng Yang
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8Ronald Lawler
9Xuegong Lei
10Malcolm H. Levitt
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abstract

Inelastic neutron scattering, far-infrared spectroscopy, and cryogenic nuclear magnetic resonance are used to investigate the quantized rotation and ortho–para conversion of single water molecules trapped inside closed fullerene cages. The existence of metastable ortho -water molecules is demonstrated, and the interconversion of ortho -and para -water spin isomers is tracked in real time. Our investigation reveals that the ground state of encapsulated ortho water has a lifted degeneracy, associated with symmetry-breaking of the water environment.

pubNational Acad Sciences
doi10.1073/pnas.1210790109
urlhttp://www.pnas.org/content/109/32/12894.abstract
pages12894-12898
date2012-08-07