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<p style="text-align: justify;">Synthesis and characterization of nanoclusters: Inorganic-organic hybrid copper and cobalt containing arsenotungstates(III) with lone pair on heteroatom incorporating bidentate N-donating ligands</p>

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Title Statement <p style="text-align: justify;">Synthesis and characterization of nanoclusters: Inorganic-organic hybrid copper and cobalt containing arsenotungstates(III) with lone pair on heteroatom incorporating bidentate N-donating ligands</p>
 
Added Entry - Uncontrolled Name Kaushik, Reetam ; Department of Chemistry, University of Delhi, Delhi 110007, India
Hussain, Firasat ; Department of Chemistry, University of Delhi, Delhi 110007, India
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Uncontrolled Index Term Synthetic and structural inorganic Chemistry
Arsenotungstates, Inorganic organic hybrid polyoxometalates, 1,10-phenanthroline, 2,2’-bipyridine
 
Summary, etc. <p style="text-align: justify;">Three inorganic-organic hybrid nanoclusters of copper and cobalt containing arsenotungstates with lone pair on heteroatom have been synthesized under mild reactions conditions. All the compounds have been characterized by single crystal X-ray diffraction, Fourier transform infrared, UV/visible spectroscopy, thermogravimetric and field emission scanning electron microscopic (FE-SEM) analysis. The compound [NaRb{Cu(phen) (H<sub>2</sub>O)<sub>2</sub>Cl}<sub>2</sub>][{Cu(phen)(H<sub>2</sub>O)}<sub>2</sub>{Cu(phen) (H<sub>2</sub>O)Cl}<sub>2</sub>{Cu<sub>2</sub>As<sub>2</sub>W<sub>19</sub>O<sub>67</sub>(H<sub>2</sub>O)] <strong>(1a)</strong> is a sandwiched type arsenotungstate with two copper atoms in square planar environment in the belt region. The polyanion-<strong>1</strong> is decorated by four copper phenanthroline complexes through a terminal oxygen atom of the polyanion. In addition, two other cobalt containing inorganic-organic hybrid lone pair containing arsenotungstates(III) with 1,10-phenanthroline [NaRbCo(phen)<sub>3</sub>][{Co(phen)(H<sub>2</sub>O)<sub>3</sub>}CoAs<sub>2</sub>W<sub>20</sub>O<sub>67</sub>(H<sub>2</sub>O)<sub>3</sub>] <strong>(2a) </strong>and 2,2’-bipyridine[Na<sub>3</sub>RbCo(2,2-bipy)<sub>3</sub>][CoAs<sub>2</sub>W<sub>20</sub>O<sub>67</sub>(H<sub>2</sub>O)<sub>3</sub>] <strong>(3a)</strong> has also been synthesized under mild conditions. The polyanion (<strong>2</strong>) is a mono cobalt substituted sandwiched type structure that is decorated by a cobalt phenanthroline complex attached to the polyanion through a terminal oxygen atom. Meanwhile the other complex (<strong>3</strong>) is also a monocobalt substituted sandwiched type structure which contains a cobalt 2,2’-bipyridine complex in the cationic part. Polyanion-<strong>1</strong> shows intermolecular π-π stacking interaction between the phenanthroline ligand in the cationic part and one that is attached directly to the polyanion. The compounds are also characterized by FE-SEM analysis and the compound <strong>3a </strong>shows ultra- smooth cuboids with grain size in the range of 1 to several micrometer though some very small irregular particles with the size of a few micrometer were also observed.</p>
 
Publication, Distribution, Etc. Indian Journal of Chemistry -Section A (IJCA)
2020-11-05 10:09:35
 
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http://op.niscair.res.in/index.php/IJCA/article/view/26814
 
Data Source Entry Indian Journal of Chemistry -Section A (IJCA); ##issue.vol## 59, ##issue.no## 11 (2020): INDIAN JOURNAL OF CHEMISTRY - SECTION A
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCA/article/download/26814/465482986
http://op.niscair.res.in/index.php/IJCA/article/download/26814/465484888
http://op.niscair.res.in/index.php/IJCA/article/download/26814/465484889
http://op.niscair.res.in/index.php/IJCA/article/download/26814/465484890
http://op.niscair.res.in/index.php/IJCA/article/download/26814/465484891
http://op.niscair.res.in/index.php/IJCA/article/download/26814/465484892
 
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