نتایج جستجو برای: coordination

تعداد نتایج: 78244  

Journal: :Dalton transactions 2011
Elaine M Schuster Mark Botoshansky Mark Gandelman

Preparation of 1,2,3-triazolylidene metal complexes by simple alkylation of triazolyl based parent species was demonstrated for the first time. Based on this post-modification approach, unprecedented tridentate Pd and Pt complexes bearing a 1,2,3-triazolylidene core were synthesized.

Introduction: In recent years, the effect of cognitive exercises on improving gait parameters has been studied, but the effects of these exercises on coordination inter-joint of the lower limbs have received less attention. Therefore, the aim of this study was to investigate the effect of dual task motor-cognitive training on inter-join coordination during walking in elderly with balance impair...

Journal: :The Journal of organic chemistry 2005
Debra L Mohler Jennifer R Downs Allison L Hurley-Predecki Jennifer R Sallman Peter M Gannett Xianglin Shi

[Reaction: see text]. The photolysis of CpW(CO)3Me has been shown to produce methyl radicals and to cleave DNA in a single-stranded manner, and preliminary evidence implicated a carbon-centered radical in this process. In this work, the mechanism of strand scission in this reaction was determined to occur by hydrogen atom abstraction from the 4'- and 5'-positions of the deoxyribose moiety of th...

2015
B. J. Powell

There is longstanding fundamental interest in 6-fold coordinated d(6) (t(2g)(6)) transition metal complexes such as [Ru(bpy)3](2+) and Ir(ppy)3, particularly their phosphorescence. This interest has increased with the growing realisation that many of these complexes have potential uses in applications including photovoltaics, imaging, sensing, and light-emitting diodes. In order to design new c...

2016
George Vahala Linda L. Vahala

This Article is brought to you for free and open access by the Electrical & Computer Engineering at ODU Digital Commons. It has been accepted for inclusion in Electrical & Computer Engineering Faculty Publications by an authorized administrator of ODU Digital Commons. For more information, please contact [email protected]. Repository Citation Vahala, George and Vahala, Linda L., "Stable Eq...

2016
Antony Rowstron Andrew Douglas Alan Wood

Linda is a model of communication for concurrent processes. This paper proposes the addition of a new primitive to the Linda model, called copy-collect. An informal semantics of the new primitive is presented and an outline of the multiple rd problem which provides the justi cation for adding a new primitive. A description of how the new primitive can be implemented on several di erent implemen...

Journal: :Dalton transactions 2016
Leighton J Alcock Germán Cavigliasso Anthony C Willis Robert Stranger Stephen F Ralph

The solid state structures of two metal complexes of a hexaamine macrobicyclic ligand, in which the metal ion has an exact trigonal prismatic geometry, have been determined. Theoretical calculations showed this is the most stable geometry for d(0), d(10) and high spin d(5) metal complexes of the ligand with M-N bond distances >∼2.35 Å.

2008
Zaki N. Zahran Nan Xu Douglas R. Powell George B. Richter-Addo

The title compound, [Mn(C(18)H(12)N(4)O(2))(C(4)H(6)N(2))(2)], belongs to the family of 1,2-bis-(pyridine-2-carboxamido)benzene (H(2)bpb) ligated metal complexes. The manganese center is octa-hedrally coordinated by a bpb ligand and two axial 1-methyl-imidazole mol-ecules. The axial N-Mn-N group is bent with a bond angle of 151.79 (7)°.

Journal: :Dalton transactions 2011
Martin Albrecht Monika M Lindner

Since the first reports some three decades ago, the chemistry of pincer metal complexes has seen a tremendous development with impact on materials chemistry, supramolecular chemistry, bioorganometallics, and, presumably most significantly, on (catalytic) bond making and breaking processes. The remarkable progress is due to a large extent to the well-defined nature and tunability of the pincer l...

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