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INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2456-4184 | Impact factor: 8.76 | ESTD Year: 2016 Scholarly open access journals, Peer-reviewed, and Refereed Journals, Impact factor 8.76 (Calculate by google scholar and Semantic Scholar | AI-Powered Research Tool) , Multidisciplinary, Monthly, Indexing in all major database & Metadata, Citation Generator, Digital Object Identifier(DOI) |
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| Paper Title: | SYNTHESIS AND CHARACTERISATION OF COPPER (II) COMPLEXES OF TWO TWELVE-MEMBERED AND TETRADENTATE MACROCYCLIC LIGANDS |
| Authors Name: | Deepshikha , Mamta Gupta |
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IJNRD_213790
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| Published Paper Id: | IJNRD2312444 |
| Published In: | Volume 8 Issue 12, December-2023 |
| DOI: | |
| Abstract: | The synthesis and analysis of two series of copper(II) complexes derived from the ligands Dibenzo[e, K] 2,3.8,9tetrahydro-1,4,7,10- tetra aza cyclododeca 1,3,7,9-tetraene(II) (C16H20N4) and dibenzo[e. K] 2,9-tetra hydro-1,4,7,10-Tetraaracyclododeca diphenyl 3,8-Dihydro-1,4,7,10-tetraaza cyclododeca 1,3,7,9-tetraene (L2) (C22H20N4) have shown the molar conductance measurements in nitrobenzene that the complexes are non-electrolytes, thus indicating that the anions are coordinated to the metal ion in these complexes. All the complexes showed anisotropic ESR spectra characteristic of tetragonal Cu'". In an axial symmetry, the g-values were related by the expression G=(gǁ-2)/(g┴ -2), which measures the exchange interaction between the copper centres in a polycrystalline solid. The calculated G values were larger than 4, suggesting that there was no interaction between the copper centres. The IR spectrum of the complex showed bands corresponding to monodentate sulphate. The IR bands showed absorptions at frequencies ~940, 1040-1060, 1180-1290 and 640 cm-1 suggesting a five-coordinate structure for this complex. The structures, square pyramidal and trigonal bipyramidal, had the ground state configuration 2R, (unpaired electron being in the d.2 orbital), and A1 (unpaired electron in the d,2 orbital), respectively. The complex under study showed the value25 of R to be less than 1, thus indicating "B; as the ground state. Thus for Cu(II)SO4, a five-coordinate square pyramidal structure was suggested. |
| Keywords: | anisotropic, tetragonal, conductance, axial symmetry |
| Cite Article: | "SYNTHESIS AND CHARACTERISATION OF COPPER (II) COMPLEXES OF TWO TWELVE-MEMBERED AND TETRADENTATE MACROCYCLIC LIGANDS", International Journal of Novel Research and Development (www.ijnrd.org), ISSN:2456-4184, Vol.8, Issue 12, page no.e456-e465, December-2023, Available :http://www.ijnrd.org/papers/IJNRD2312444.pdf |
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| ISSN: |
2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar| ESTD YEAR: 2016 An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator |
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Published Paper ID:IJNRD2312444 Registration ID: 213790 Published In: Volume 8 Issue 12, December-2023 DOI (Digital Object Identifier): Page No: e456-e465 Country: -, -, India Research Area: Engineering Publisher : IJ Publication Published Paper URL : https://www.ijnrd.org/viewpaperforall?paper=IJNRD2312444 Published Paper PDF: https://www.ijnrd.org/papers/IJNRD2312444 |
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ISSN: 2456-4184
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