NDLI: Dioxygen affinities of Schiff base cobalt(II) complexes with aza-crown or morpholino pendants

Content Provider	Springer Nature Link
Author	Li, Jian zhang Wei, Lei Feng, Fa Mei Zeng, Jun Qin, Sheng ying
Copyright Year	2010
Abstract	Schiff base Co(II) complexes, CoL21–CoL26 with aza-crown or morpholino pendants were synthesized. The oxygenation constants (KO$_{2}$) of these complexes in MeOCH$_{2}$CH$_{2}$OMe solution were measured over the range of −5 to 25 °C, and the thermodynamic parameters (∆H $^{0}$, ∆S $^{0}$) for oxygenation were calculated based on these KO$_{2}$ values. The effects of different substituents on the Schiff base ligand with respect to the modulation of O$_{2}$-binding capability were explored. The results indicate that the dioxygen affinities of the Co(II) complexes are much more enhanced by aza-crown pendants than that by morpholino pendants, and the O$_{2}$-binding capabilities of the aza-crown pendants complexes can also be enhanced by adding Na$^{+}$ cations.Schiff base Co(II) complexes, CoL21–CoL26 with aza-crown or morpholino pendants were synthesized. The O$_{2}$ uptake of these complexes in MeOCH$_{2}$CH$_{2}$OMe solution was determined at different temperatures, and the equilibrium constants (KO$_{2}$) and thermodynamic parameters (∆H $^{0}$, ∆S $^{0}$) for oxygenation were calculated.
Starting Page	463
Ending Page	468
Page Count	6
File Format	PDF
ISSN	03404285
Journal	Transition Metal Chemistry
Volume Number	35
Issue Number	4
e-ISSN	1572901X
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-03-26
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Inorganic Chemistry Physical Chemistry Catalysis
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Metals and Alloys Inorganic Chemistry

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