970 resultados para 3-chloro-2


Relevância:

100.00% 100.00%

Publicador:

Resumo:

Entire issue (large pdf file) Articles include: Getting to Know You: Psychoeducational Groups to Counter Social Isolation of Neglectful Mothers. Marianne Berry Intensive Family Preservation in Children's Mental Health: Predictors of Placement. Cathryn C. Potter An Innovative Family Preservation Program in an African American Community: Longitudinal Analysis. Patricia Ciliberti Chipping Away at the Monolith: Dispelling the Myth of Father Noninvolvement in Children's Early Literacy Development. Robert W. Ortiz

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Three-dimensional oxalate-based {[Ru(bpy)3][Cu2xNi2(1-x)(ox)3]}n (0≤ x ≤ 1, ox = C2O42-, bpy = 2,2‘bipyridine) were synthesized. The structure was determined for x = 1 by X-ray diffraction on single crystal. The compound crystallizes in the cubic space group P4132. It shows a three-dimensional 10-gon 3-connected (10,3) anionic network where copper(II) has an unusual tris(bischelated) environment. X-ray powder diffraction patterns and their Rietveld refinement show that all the compounds along the series are isostructural and single-phased. According to X-ray absorption spectroscopy, copper(II) and nickel(II) have an octahedral environment, respectively elongated and trigonally distorted. As shown by natural circular dichroism, the optically active forms of {[Ru(bpy)3][CuxNi2(1-x)(ox)3]}n are obtained starting from resolved Δ- or Λ-[Ru(bpy)3]2+. The Curie−Weiss temperatures range between −55 (x = 1) and −150 K (x = 0). The antiferromagnetic exchange interaction thus decreases when the copper contents increases in agreement with the crystallographic structure of the compounds and the electronic structure of the metal ions. At low temperature, the compounds exhibit complex long-range ordered magnetic behavior.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Boberach: Ein jüdischer Einwohner Frankfurts, dem nach einem Aufenthalt von 21 Jahren zunächst das Frankfurter Bürgerrecht in Aussicht gestellt worden war, beschwert sich darüber, daß er wegen seines Auftretens in Volksversammlungen verhaftet und ausgewiesen wurde und verlangt ein Gerichtsverfahren oder Genugtuung, nachdem er sich um Schutz durch seine württembergische Heimatbehörde bemüht hat

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Welsch (Projektbearbeiter): Reichsverfassungskampagne in Sachsen: preußische Truppen vor Dresden