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Title: Crystal and molecular structures of isomorphous bis[1,3-di(p-n- octylphenyl)propane-1,3-dionato palladium(II) and bis[1,3-di(p-n-octylphenyl)propane-1,3-dionato] nickel(II)
Authors: Usha, K.
Sadashiva, B.K.
Vijayan, Kalyani
Keywords: discotic
crystal structure
Ni complex
Pd complex
Issue Date: Feb-1994
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals, 1994, Vol.241 , p91-102
Abstract: Crystal structures of the transition metal complexes bis[1,3-di(p-n-octylphenyl)propane-1,3-dionato palladium(II) and bis[11,3-di(p-n-octylphenyl)propane-1,3-dionato nickel(II) have been solved and refined to R = 0.051 and 0.064 respectively, using diffractometer collected X-ray data. The palladium and the nickel complexes are found to be isomorphous with the P-form of the copper complex bis[1,3- di(p-n-octylphenyl propane-1,3-dionato copper(II). Despite the unambiguous structural isomorphism, only the palladium and the copper complexes are mesogenic; the nickel complex is reportedly non- mesogenic. In the crystal structures, the metal atoms are surrounded by four oxygen atoms in a square planar arrangement. The octyl chains are fully extended in an all-trans conformation. The crystal structures are characterized by both layer-like and columnar arrangement of molecules.
Description: Restricted Access.
ISSN: 1058-725X
Alternative Location:
Copyright: 1994 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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