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Stabilities of prot...
Stabilities of protonated water-ammonia clusters
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- Sundén, Erika, 1970 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg
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- Stochkel, K. (författare)
- Århus Universitet,Aarhus University
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- Hvelplund, P. (författare)
- Århus Universitet,Aarhus University
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- Nielsen, S. B. (författare)
- Århus Universitet,Aarhus University
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- Dynefors, Bertil, 1945 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hansen, Klavs, 1958 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),University of Gothenburg,Tianjin University
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(creator_code:org_t)
- AIP Publishing, 2018
- 2018
- Engelska.
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Ingår i: Journal of Chemical Physics. - : AIP Publishing. - 0021-9606 .- 1089-7690. ; 148:18
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Abstract
Ämnesord
Stäng
- Branching ratios of water and ammonia evaporation have been measured for spontaneous evaporation from protonated mixed clusters H+(H2On(NH3)(m) in the size range 0 <= n <= 11 and 0 <= m <= 7. Mixed clusters evaporate water except for clusters containing six or more ammonia molecules, indicating the formation of a stable core of one ammonium ion surrounded by four ammonia molecules and a second shell consisting predominantly of water. We relate evaporative branching ratios to free energy differences between the products of competing channels and determine the free energy differences for clusters with up to seven ammonia molecules. Clusters containing up to five ammonia molecules show a very strong scaling of these free energy differences. Published by AIP Publishing.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
Nyckelord
- atmospheric aerosol nucleation
- sulfuric-acid
- particle formation
- binary clusters
- thermodynamic data
- ab-initio
- ions
- temperature
- ionization
- hydration
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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