title: Sonochemical synthesis and structural determination of novel the nano-card house Cu(II) metal-organic coordination system.
abstract: A sonochemical method by using various time and concentrations of initial reagents and power of irradiation, was used to synthesize nano-card house of a new copper(II) metal-organic coordination system, {[Cu2(p-2yeinh)2Cl2]·(H2O)}n(1), where p-2yeinh=pyridin-2-yl ethylidene-isonicotinohydrazide. The compound was characterized by scanning electron microscopy (SEM), elemental analysis, IR spectroscopy, X-ray powder diffraction (XPRD), and single crystal X-ray analysis. The X-ray structure revealed that the Cu(II) atom is coordinated by one oxygen and three nitrogen atoms from two p-2yeinh ligands and one chloride anion with a CuN3OCl donor set with square pyramid geometry. This arrangement produces a large quadric nuclear square ring composed of four square pyramid Cu(II) moieties linked together by two p-2yeinh units (M4L4). The adjacent frameworks connected by strong hydrogen bonding interactions of methanol molecules that interact together and with the rings and π-π interactions of adjacent aromatic rings of p-2yeinh and other weak interactions. Consequently, the labile interactions also allow the discrete structure to form a 3D metal-organic coordination network. CuO nanoparticles were obtained by thermolysis of 1 at 180°C with oleic acid as a surfactant. The average diameter of the nanoparticles was estimated by XPRD to be 38nm. The morphology and size of the prepared CuO nanoparticles were further studied using SEM.
authors.affiliation: Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14115-4838, Tehran, Islamic Republic of Iran.
authors.forename: Faeze
authors.initials: F
authors.lastname: Mojtabazade
authors.affiliation: Department of Chemistry, Faculty of Science, University of Qom, P.O. Box 37185-359, Qom, Islamic Republic of Iran.
authors.forename: Babak
authors.initials: B
authors.lastname: Mirtamizdoust
authors.affiliation: Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14115-4838, Tehran, Islamic Republic of Iran. Electronic address: morsali_a@modares.ac.ir.
authors.forename: Ali
authors.initials: A
authors.lastname: Morsali
authors.affiliation: School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia.
authors.forename: Pejman
authors.initials: P
authors.lastname: Talemi
keywords: Crystal structure; Cu(II) nano coordination system; CuO nanoparticles; Nano-card house; Ultrasonic irradiation