نتایج جستجو برای: Coordination compounds

تعداد نتایج: 301536  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2002
ram k. agrawal indranil chakraborti n.k. sharma

the stereochemistry of the actinide elements has recently undergone considerable development and a wide variety of coordination numbers and geometries have been observed. this structural versatility arises from the lack of strong crystal field effects for the 5f-electronic configurations as well as from the large ionic radii of these metal ions, which change markedly with oxidation number, or a...

Journal: :Journal of Chemical Education 1993

Indranil Chakraborti N.K. Sharma Ram K. Agrawal,

The stereochemistry of the actinide elements has recently undergone considerable development and a wide variety of coordination numbers and geometries have been observed. This structural versatility arises from the lack of strong crystal field effects for the 5f-electronic configurations as well as from the large ionic radii of these metal ions, which change markedly with oxidation number, ...

Journal: :Dalton transactions 2008
Natalie D Coombs Andreas Stasch Andrew Cowley Amber L Thompson Simon Aldridge

Sterically encumbered amido ligands based on a 1,8-diarylcarbazol-9-yl backbone have been investigated as electronically distinct alternatives to the widely-used terphenyl ligand class in the stabilization of low-coordinate metal complexes, and structurally characterized for the first time. While 1,8-diphenylcarbazol-9-yl derivatives are readily available, facile rotation about the Cipso-Cipso ...

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