Sonochemical syntheses of binuclear lead(II)-azido supramolecule with ligand 3,4,7,8-tetramethyl-1,10-phenanthroline as precursor for preparation of lead(II) oxide nanoparticles

Title
Sonochemical syntheses of binuclear lead(II)-azido supramolecule with ligand 3,4,7,8-tetramethyl-1,10-phenanthroline as precursor for preparation of lead(II) oxide nanoparticles
Author(s)
요네스피로즈살라리Babak Mirtamizdoust[Babak Mirtamizdoust]Ali Morsali[Ali Morsali]주상우
Keywords
METAL-ORGANIC FRAMEWORKS; COORDINATION POLYMERS; CRYSTAL-STRUCTURE; COMPLEXES; PHEN=1,10-PHENANTHROLINE; MECHANOSYNTHESIS; SERIES
Issue Date
201503
Publisher
ELSEVIER SCIENCE BV
Citation
ULTRASONICS SONOCHEMISTRY, v.23, pp.275 - 281
Abstract
The new neutral binuclear lead(II) azido coordination compound, [Pb-2(tmph)(2)(mu-N-3)(2)(CH3COO)(2)] (1) [tmph = 3,4,7,8-tetramethyl-1,10-phenanthroline], has been synthesized by a sonochemical method. Single crystal X-ray structure shows that the overall structure of 1 is binuclear unit. Complex 1 has a bridging azido pathway, end-to-end bridging azides between a pair of lead(II) centers. This is further extended into a one-dimensional (1D) and three-dimensional (3D) supramolecular structure by Pb center dot center dot center dot C and pi-pi weak directional intermolecular interactions. The coordination number of lead(II) ions is seven, PbN4O3, with two N-donor atoms from tmph ligands and three O-donors from acetate anions and two N-donors from two azide anions. It has a "stereo-chemically active" electron lone pair, and the coordination sphere is hemidirected. The PbO nanoparticles were obtained by thermolysis of 1 at 180 degrees C with oleic acid as a surfactant. The morphology and size of the prepared PbO samples were further observed using scanning electron microscopy (SEM). (C) 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/33162http://dx.doi.org/10.1016/j.ultsonch.2014.10.022
ISSN
1350-4177
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중앙도서관 > rims journal
공과대학 > 기계공학부 > Articles
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