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Description
| - By using extraction experiments and gamma-activity measurements, the extraction constant corresponding to the equilibrium Ba2+(aq) + 1.Sr2+(nb) reversible arrow 1.Ba2+(nb) + Sr2+(aq) occurring in the two-phase water-nitrobenzene system (1 = antamanide; aq = aqueous phase, nb = nitrobenzene phase) was determined as logK(ex) (Ba2+, 1.Sr2+) = 0.2 0.1. Further, the stability constant of the 1.Ba2+ complex in nitrobenzene saturated with water was calculated for a temperature of 25 degrees C: log beta(nb) (1.Ba2+) = 8.8 +/- 0.2. Finally, applying quantum mechanical DFT calculations, the most probable structure of the cationic complex species 1.Ba2+ was derived. In the resulting complex, the %22central%22 cation Ba2+ is bound by six bond interactions to the corresponding six carbonyl oxygen atoms of the parent ligand 1. The interaction energy of the considered 1.Ba2+ complex was found to be -964.9 kJ/mol, confirming the formation of this cationic species as well.
- By using extraction experiments and gamma-activity measurements, the extraction constant corresponding to the equilibrium Ba2+(aq) + 1.Sr2+(nb) reversible arrow 1.Ba2+(nb) + Sr2+(aq) occurring in the two-phase water-nitrobenzene system (1 = antamanide; aq = aqueous phase, nb = nitrobenzene phase) was determined as logK(ex) (Ba2+, 1.Sr2+) = 0.2 0.1. Further, the stability constant of the 1.Ba2+ complex in nitrobenzene saturated with water was calculated for a temperature of 25 degrees C: log beta(nb) (1.Ba2+) = 8.8 +/- 0.2. Finally, applying quantum mechanical DFT calculations, the most probable structure of the cationic complex species 1.Ba2+ was derived. In the resulting complex, the %22central%22 cation Ba2+ is bound by six bond interactions to the corresponding six carbonyl oxygen atoms of the parent ligand 1. The interaction energy of the considered 1.Ba2+ complex was found to be -964.9 kJ/mol, confirming the formation of this cationic species as well. (en)
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Title
| - Experimental and theoretical study on interaction of the barium cation with antamanide
- Experimental and theoretical study on interaction of the barium cation with antamanide (en)
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skos:prefLabel
| - Experimental and theoretical study on interaction of the barium cation with antamanide
- Experimental and theoretical study on interaction of the barium cation with antamanide (en)
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skos:notation
| - RIV/60461373:22810/14:43897070!RIV15-MSM-22810___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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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
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http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22810/14:43897070
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Structures; DFT calculations; Complexation; Antamanide; Barium cation (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Journal of Molecular Structure
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Böhm, Stanislav
- Makrlík, Emanuel
- Vaňura, Petr
- Ruzza, Paolo
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1016/j.molstruc.2014.02.009
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http://localhost/t...ganizacniJednotka
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