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<p><strong>Crystal engineering of molecular to nonmolecular metal malonates in the presence of piperazine: Role of metal ions in tuning architectures</strong></p>

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Title Statement <p><strong>Crystal engineering of molecular to nonmolecular metal malonates in the presence of piperazine: Role of metal ions in tuning architectures</strong></p>
 
Added Entry - Uncontrolled Name Mote, Kaustubh ; Indian Institute of Technology Delhi, Hauz Khas, New Delhi-110016, India
Thomas, Jency ; St. Thomas’ College (Autonomous), Thrissur, Kerala
Ramanan, Arunachalam ; Indian Institute of Technology Delhi, Hauz Khas, New Delhi-110016, India
 
Uncontrolled Index Term Synthetic and structural inorganic chemistry
Crystallization, Transition metal ions, Malonate, Piperazine, Nickel, Cobalt, Copper, Zinc
 
Summary, etc. <p class="03Abstract">Growth of transition metal malonate (mal) based solids from aqueous solution is investigated in the presence of piperazine (pip). Reaction under ambient conditions favored the growth of [{M(mal)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>}{H<sub>2</sub>pip}] (M: Ni, <strong>1</strong>; M: Co, <strong>2</strong>), [{Cu(mal)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>}{H<sub>2</sub>pip}].2H<sub>2</sub>O (<strong>3</strong>),<strong> </strong>and, [Zn(mal)(pip)(H<sub>2</sub>O)] (<strong>4</strong>). While <strong>1-3</strong> are molecular solids, <strong>4 </strong>is a 2-D coordination polymer. In the case of cobalt, higher acidic condition favored the formation of a molecular organic-inorganic salt, [(H<sub>2</sub>pip){CoCl<sub>4</sub>}] (<strong>5</strong>). The same reaction under a different crystallization condition, i.e., lesser polar solvent and slightly higher temperature (solvothermal) led to a 2-D coordination polymer [{Co(mal)(H<sub>2</sub>O)(Hpip)}]Cl (<strong>6</strong>).<strong> </strong>A retrosynthesis approach has been employed to interpret the crystallization reaction and compare the supramolecular reactivity of aggregating metal tectons in engineering the molecules to form either a molecular solid or coordination polymer.</p>
 
Publication, Distribution, Etc. Indian Journal of Chemistry -Section A (IJCA)
2020-10-19 14:05:15
 
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http://op.niscair.res.in/index.php/IJCA/article/view/21494
 
Data Source Entry Indian Journal of Chemistry -Section A (IJCA); ##issue.vol## 57, ##issue.no## 8-9 (2018): INDIAN JOURNAL OF CHEMISTRY- SECTION A
 
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Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCA/article/download/21494/465467208
http://op.niscair.res.in/index.php/IJCA/article/download/21494/465467209
http://op.niscair.res.in/index.php/IJCA/article/download/21494/465467210
http://op.niscair.res.in/index.php/IJCA/article/download/21494/465467212
http://op.niscair.res.in/index.php/IJCA/article/download/21494/465467213
http://op.niscair.res.in/index.php/IJCA/article/download/21494/465470661
 
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