نتایج جستجو برای: crystal form

تعداد نتایج: 837146  

Journal: :Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry 1978

Journal: :Analytical Sciences: X-ray Structure Analysis Online 2006

Journal: :Acta Crystallographica Section D Biological Crystallography 1997

بهزادیان اصل, فاطمه , حدادزاده, حسن , رضوانی, علیرضا , سراوانی, حمیده ,

The Dinuclear Cu (II) complex [{CuCl}2(μ – tppz)](PF6)2, where tppz represents tetra-2-pyridinylpyrazine, has been prepared and characterized by elemental analysis, 1H-NMR, IR and UV-vis spectroscopies. A crystal structure of the complex showed the Cu (II) are surrounded by three N atoms of tppz bridging ligand and one Cl atom. Crystal structure data are as follows: crystal system monoclinic, s...

F. Mollaamin K. Zare M. Sayadian

An azobenzene bridge was introduced into the lower (or smaller) rim of p-tert-butylcalix[8]arene to form 1,5-singly bridged calix[8]arene derivatives, respectively. Bridged calix[8]arene of conformationally rigid wereisolated. The stability of the two structures of bridged calix[8]arenes have been compared.The study of organicstructure to form nanoporous structures is a well known in chemistry ...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 1981

Journal: :Acta Crystallographica Section F Structural Biology and Crystallization Communications 2013

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