Supramolecular assemblies of two piperazine metal-organic bismuth(III) derivatives: a new precursor for the preparation of bismuth(III) oxide bromide nano-structures

Title
Supramolecular assemblies of two piperazine metal-organic bismuth(III) derivatives: a new precursor for the preparation of bismuth(III) oxide bromide nano-structures
Author(s)
주상우Somayeh Khanjani[Somayeh Khanjani]Nilofar Soltanzadeh[Nilofar Soltanzadeh]Roghayeh Sabahi[Roghayeh Sabahi]알리모잘리
Keywords
COORDINATION POLYMERS; LIGANDS; IODIDE; CHAINS
Issue Date
201310
Publisher
TAYLOR & FRANCIS LTD
Citation
JOURNAL OF COORDINATION CHEMISTRY, v.66, no.19, pp.3391 - 3401
Abstract
Two BiBr3 supramolecular complexes, [Bi(2-bpmp)Br2.06Cl0.94] (1) and [Bi(4-H(2)bpmp)Br4.29Cl0.71]center dot H2O (2) {2-bpmp=N,N-bis(2-pyridylmethyl)piperazine and 4-bpmp=N,N-bis(4-pyridylmethyl)piperazine}, were prepared by reaction of bismuth(III) chloride and potassium bromide with two nitrogen donor ligands under thermal gradient conditions using the branched tube method. Compounds 1 and 2 were structurally characterized by single-crystal X-ray diffraction. In monomeric 1, bismuth is coordinated by two pyridyl and piperazine nitrogens of 2-bpmp, and by three halides. Compound 2 is also monomeric but is bonded to only one pyridyl nitrogen. In both compounds, extensive hydrogen-bonding interactions lead to supramolecular networks; in 2, the hydrogen bonds are augmented by pi-pi stacking interactions. Thermal stabilities of both compounds were studied by thermal gravimetric and differential thermal analyses. Thermal decomposition of nanosized 1 and 2 in air produced BiOBr nanoparticles.
URI
http://hdl.handle.net/YU.REPOSITORY/28799http://dx.doi.org/10.1080/00958972.2013.840366
ISSN
0095-8972
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공과대학 > 기계공학부 > Articles
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