نتایج جستجو برای: late transition metal

تعداد نتایج: 624665  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
zahra shiri-yekta mohammad reza yaftian

two n4-type schiff base ligands named n,n'-bis(2-pyridylmethylidene)-1,2-diiminoethane (l1) and n,n'-bis(2-pyridylmethylidene)-1,3-diiminopropane (l2) have been synthesized by the reaction of pyridine-2-carbaldehyde with ethylenediamine and propylenediamine, respectively. the binding abilities of l1 and l2 in dichloromethane towards cu2+, cd2+, co2+, ni2+, zn2+ and pb2+ ions were evaluated by p...

Journal: :international journal of nano dimension 0
saeed farhadi department of chemistry, lorestan university, khoramabad 68135-465, iranسازمان اصلی تایید شده: دانشگاه لرستان (lorestan university) gholamali nadri department of chemistry, lorestan university, khoramabad 68135-465, iranسازمان اصلی تایید شده: دانشگاه لرستان (lorestan university) masoumeh javanmard department of chemistry, lorestan university, khoramabad 68135-465, iranسازمان اصلی تایید شده: دانشگاه لرستان (lorestan university)

in this paper, an energetic coordination compound namely pentamminenitratocobalt(iii) nitrate, [co(nh3)5(no3)](no3)2, was used as a new precursor for the preparation of co3o4 nanoparticles. the results showed that the complex is easily decomposed into the co3o4 nanoparticles at low temperature (200 °c) without employing a surfactant or solvent and any complicated equipment. the product was char...

Journal: :Inorganic chemistry 2002
Margaret E Welk Alexander J Norquist Frederick P Arnold Charlotte L Stern Kenneth R Poeppelmeier

Electronic effects and the bond network are the two factors that cause out-of-center distortions in octahedral d(0) transition metal oxide fluoride anions. Overlap between filled oxide p orbitals and vacant cation d orbitals results in strong, short metal-oxide bonds causing the metal ion to distort toward the oxide ligand. This primary, electronic distortion is not dependent on the extended st...

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