Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid
The novel metal complexes with empirical formulae M(mef)2·nH2O (where M = Mn(II), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II); mef is the mefenamic ligand) were synthesized and characterized by elemental analysis, molar conductance, FTIR-spectroscopy, and thermal decomposition techniques. All IR spec...
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| Format: | Article |
| Language: | English |
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Wiley
2017-01-01
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| Series: | Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2017/6172626 |
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| author | Karolina Kafarska Michał Gacki Wojciech M. Wolf |
| author_facet | Karolina Kafarska Michał Gacki Wojciech M. Wolf |
| author_sort | Karolina Kafarska |
| collection | DOAJ |
| description | The novel metal complexes with empirical formulae M(mef)2·nH2O (where M = Mn(II), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II); mef is the mefenamic ligand) were synthesized and characterized by elemental analysis, molar conductance, FTIR-spectroscopy, and thermal decomposition techniques. All IR spectra revealed absorption bands related to the asymmetric (νas) and symmetric (νs) vibrations of carboxylate group. The Nakamoto criteria clearly indicate that this group is bonded in a bidentate chelate mode. The thermal behavior of complexes was studied by TGA methods under non-isothermal condition in air. Upon heating, all compounds decompose progressively to metal oxides, which are the final products of pyrolysis. Cu(II), Zn(II), and Cd(II) complexes were also characterized by the coupled TG-FTIR technique, which finally proved the path and gaseous products of thermal decomposition. Additionally, the coupled TG-MS system was used to determine the principal volatile products of thermolysis and fragmentation processes of Mn(mef)2·3H2O and Co(mef)2·2H2O. |
| format | Article |
| id | doaj-art-c2729fc5d23847a2a6381d01c6b8b82b |
| institution | Kabale University |
| issn | 2090-9063 2090-9071 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Chemistry |
| spelling | doaj-art-c2729fc5d23847a2a6381d01c6b8b82b2025-02-03T01:11:44ZengWileyJournal of Chemistry2090-90632090-90712017-01-01201710.1155/2017/61726266172626Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic AcidKarolina Kafarska0Michał Gacki1Wojciech M. Wolf2Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Street, 90-924 Lodz, PolandInstitute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Street, 90-924 Lodz, PolandInstitute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Street, 90-924 Lodz, PolandThe novel metal complexes with empirical formulae M(mef)2·nH2O (where M = Mn(II), Co(II), Ni(II), Cu(II), Zn(II), and Cd(II); mef is the mefenamic ligand) were synthesized and characterized by elemental analysis, molar conductance, FTIR-spectroscopy, and thermal decomposition techniques. All IR spectra revealed absorption bands related to the asymmetric (νas) and symmetric (νs) vibrations of carboxylate group. The Nakamoto criteria clearly indicate that this group is bonded in a bidentate chelate mode. The thermal behavior of complexes was studied by TGA methods under non-isothermal condition in air. Upon heating, all compounds decompose progressively to metal oxides, which are the final products of pyrolysis. Cu(II), Zn(II), and Cd(II) complexes were also characterized by the coupled TG-FTIR technique, which finally proved the path and gaseous products of thermal decomposition. Additionally, the coupled TG-MS system was used to determine the principal volatile products of thermolysis and fragmentation processes of Mn(mef)2·3H2O and Co(mef)2·2H2O.http://dx.doi.org/10.1155/2017/6172626 |
| spellingShingle | Karolina Kafarska Michał Gacki Wojciech M. Wolf Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid Journal of Chemistry |
| title | Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid |
| title_full | Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid |
| title_fullStr | Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid |
| title_full_unstemmed | Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid |
| title_short | Synthesis, Spectroscopic, and Thermal Investigations of Metal Complexes with Mefenamic Acid |
| title_sort | synthesis spectroscopic and thermal investigations of metal complexes with mefenamic acid |
| url | http://dx.doi.org/10.1155/2017/6172626 |
| work_keys_str_mv | AT karolinakafarska synthesisspectroscopicandthermalinvestigationsofmetalcomplexeswithmefenamicacid AT michałgacki synthesisspectroscopicandthermalinvestigationsofmetalcomplexeswithmefenamicacid AT wojciechmwolf synthesisspectroscopicandthermalinvestigationsofmetalcomplexeswithmefenamicacid |