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| Description
| - The electronic and vibrational spectra of the clusters of 2-aminopyridine (2AP) with one and two water molecules have been measured by using resonant two-photon ionization (R2PI) and IR-UV ion depletion spectroscopy (IR/R2PI). Under microhydration the aromatic nitrogen forms a very strong H-bond with water. The H-bonded OH stretching vibrations for 2AP.DOT.H2O and 2AP.DOT.(H2O)2 exhibit a red shift of 254 and 413 cm-1, respectively, relative to the symmetric stretching vibration of free water. In addition water forms a H-bond with the amino group, resulting in a cyclic structure for both clusters. Due to a reduced geometric strain, two water molecules exhibit stronger H-bonds. These results are well supported by calculations on the density functional theory level.
- The electronic and vibrational spectra of the clusters of 2-aminopyridine (2AP) with one and two water molecules have been measured by using resonant two-photon ionization (R2PI) and IR-UV ion depletion spectroscopy (IR/R2PI). Under microhydration the aromatic nitrogen forms a very strong H-bond with water. The H-bonded OH stretching vibrations for 2AP.DOT.H2O and 2AP.DOT.(H2O)2 exhibit a red shift of 254 and 413 cm-1, respectively, relative to the symmetric stretching vibration of free water. In addition water forms a H-bond with the amino group, resulting in a cyclic structure for both clusters. Due to a reduced geometric strain, two water molecules exhibit stronger H-bonds. These results are well supported by calculations on the density functional theory level. (en)
- Elektronická a vibrační spektra klastrů 2-aminopyridinu (2AP) s jednou nebo s dvěma molekulami vody, byla měřena za použití resonanční dvoufotonové ionizace (R2PI) a IR prodisoační spektroskopie(IR/R2PI). Při mikrohydrataci tvoří aromatický dusík s vodou velmi silnou vodíkovou vazbu. Valenční vibrace vodíkové vazby OH skupiny v 2AP.H2O a AP. (H2O)2 vykazují červený posun 254 respi 413 cm-1, vzhledem k symetrické valenční vibraci volné molekuly vody. Navíc voda vytváří vodíkovou vazbu s aminoskupinou vedoucí k cyklické struktuře obou klastrů. Následkem zmenšeného geometrického pnutí však klastr 2AP.(H2O)2 vykazuje podstatně silnější H- vazby oproti klastru 2AP.H2O. Dále jsou uváděny výsledky výpočtů metodou funkcionálu hustoty a perturbační metodou. Tyto výsledky jsou v dobré shodě s experimentálními daty a poskytují další poznatky o struktuře a energetice mikrohydratované molekuly. (cs)
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| Title
| - Structure and Hydrogen Bonding of 2-aminopyridine (H2O)n (n=1,2) Studied by Infrared Ion Depletion Spectroscopy
- Studium struktury a vodíkové vazby 2-aminopyridin. (H2O)n (n= 1,2) infračervenou spektroskopií úbytku iontů (cs)
- Structure and Hydrogen Bonding of 2-aminopyridine (H2O)n (n=1,2) Studied by Infrared Ion Depletion Spectroscopy (en)
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| skos:prefLabel
| - Structure and Hydrogen Bonding of 2-aminopyridine (H2O)n (n=1,2) Studied by Infrared Ion Depletion Spectroscopy
- Studium struktury a vodíkové vazby 2-aminopyridin. (H2O)n (n= 1,2) infračervenou spektroskopií úbytku iontů (cs)
- Structure and Hydrogen Bonding of 2-aminopyridine (H2O)n (n=1,2) Studied by Infrared Ion Depletion Spectroscopy (en)
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| skos:notation
| - RIV/61388955:_____/04:00101140!RIV/2005/AV0/A54005/N
|
| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(LN00A032), Z(AV0Z4040901)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/61388955:_____/04:00101140
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| http://linked.open...riv/jazykVysledku
| |
| http://linked.open.../riv/klicovaSlova
| - hydrogen bonding; electronic and vibrational spectra; spectroscopy (en)
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| http://linked.open.../riv/klicoveSlovo
| |
| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
| |
| http://linked.open...i/riv/nazevZdroje
| - Physical Chemistry Chemical Physics
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
| |
| http://linked.open...iv/tvurceVysledku
| - Nachtigall, Petr
- Brutschy, B.
- Wu, R.
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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