Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization
Ionothermal synthesis is a little used method for the preparation of coordination polymers. By this method, two cadmium compounds were synthesized, <b>1</b>, with formula Cd<sub>3</sub>(ox)F<sub>2</sub>(Ina)<sub>2</sub> (Ina = isonicotinate) and <b&...
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MDPI AG
2019-11-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/24/22/4059 |
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| author | Iñigo PerezF Edurne S. Larrea Begoña Bazán Gotzone Barandika M. Karmele Urtiaga Maria I. Arriortua |
| author_facet | Iñigo PerezF Edurne S. Larrea Begoña Bazán Gotzone Barandika M. Karmele Urtiaga Maria I. Arriortua |
| author_sort | Iñigo PerezF |
| collection | DOAJ |
| description | Ionothermal synthesis is a little used method for the preparation of coordination polymers. By this method, two cadmium compounds were synthesized, <b>1</b>, with formula Cd<sub>3</sub>(ox)F<sub>2</sub>(Ina)<sub>2</sub> (Ina = isonicotinate) and <b>2</b>, Cd(NO<sub>3</sub>)<sub>2</sub>(4,4′-Bpy) (4,4′-Bpy = 4,4′-Bipyridine). The modification of the reaction conditions has allowed to obtain <b>2</b> as a pure phase. The structure of both compounds was determined by a single-crystal X-ray diffraction. Compound <b>1</b> is isostructural to the previously reported Cd<sub>2</sub>Zn(ox)(OH)<sub>2</sub>(Ina)<sub>2</sub>. It crystallizes in the monoclinic space group P<i>2</i><sub>1</sub><i>/n</i> and present a three-dimensional (3D) network, built-up from [Cd<sub>3</sub>(ox)F<sub>2</sub>]<sub>n</sub><sup>2n+</sup> layers, linked by isonicotinate ligands. Crystals of <b>2</b> are formed by twins of two components which are rotated ca. 180° to each other. This compound crystallizes in the triclinic P<i>-1</i> space group and its structure can be describe as a two-dimensional (2D) 4 connected <i>‘sql’</i> net. The layers are composed by [Cd(NO<sub>3</sub>)<sub>2</sub>]<sub>n</sub> chains linked through 4,4′-Bpy ligands, and are pillared along the [011] direction. The thermal decomposition of <b>2</b> was studied by thermogravimetric and thermodiffractiometric techniques. The compound decomposes gradually starting from 160 °C, and due to heating, the structure suffers slight reversible changes in the bond distances and angles. |
| first_indexed | 2024-04-14T01:58:19Z |
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| id | doaj.art-c06fcd2349184d1e93840de0f9105346 |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-04-14T01:58:19Z |
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| spelling | doaj.art-c06fcd2349184d1e93840de0f91053462022-12-22T02:18:57ZengMDPI AGMolecules1420-30492019-11-012422405910.3390/molecules24224059molecules24224059Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal CharacterizationIñigo PerezF0Edurne S. Larrea1Begoña Bazán2Gotzone Barandika3M. Karmele Urtiaga4Maria I. Arriortua5Dpto. Mineralogía y Petrología, Universidad del País Vasco, UPV/EHU, Sarriena s/n, 48940 Leioa, SpainDpto. Mineralogía y Petrología, Universidad del País Vasco, UPV/EHU, Sarriena s/n, 48940 Leioa, SpainDpto. Mineralogía y Petrología, Universidad del País Vasco, UPV/EHU, Sarriena s/n, 48940 Leioa, SpainBCMaterials (Basque Center for Materials, Applications & Nanostructures), UPV/EHU Scientific Park, Martina Casiano Building, 3th floor, Sarriena s/n, 48940 Leioa, SpainDpto. Mineralogía y Petrología, Universidad del País Vasco, UPV/EHU, Sarriena s/n, 48940 Leioa, SpainDpto. Mineralogía y Petrología, Universidad del País Vasco, UPV/EHU, Sarriena s/n, 48940 Leioa, SpainIonothermal synthesis is a little used method for the preparation of coordination polymers. By this method, two cadmium compounds were synthesized, <b>1</b>, with formula Cd<sub>3</sub>(ox)F<sub>2</sub>(Ina)<sub>2</sub> (Ina = isonicotinate) and <b>2</b>, Cd(NO<sub>3</sub>)<sub>2</sub>(4,4′-Bpy) (4,4′-Bpy = 4,4′-Bipyridine). The modification of the reaction conditions has allowed to obtain <b>2</b> as a pure phase. The structure of both compounds was determined by a single-crystal X-ray diffraction. Compound <b>1</b> is isostructural to the previously reported Cd<sub>2</sub>Zn(ox)(OH)<sub>2</sub>(Ina)<sub>2</sub>. It crystallizes in the monoclinic space group P<i>2</i><sub>1</sub><i>/n</i> and present a three-dimensional (3D) network, built-up from [Cd<sub>3</sub>(ox)F<sub>2</sub>]<sub>n</sub><sup>2n+</sup> layers, linked by isonicotinate ligands. Crystals of <b>2</b> are formed by twins of two components which are rotated ca. 180° to each other. This compound crystallizes in the triclinic P<i>-1</i> space group and its structure can be describe as a two-dimensional (2D) 4 connected <i>‘sql’</i> net. The layers are composed by [Cd(NO<sub>3</sub>)<sub>2</sub>]<sub>n</sub> chains linked through 4,4′-Bpy ligands, and are pillared along the [011] direction. The thermal decomposition of <b>2</b> was studied by thermogravimetric and thermodiffractiometric techniques. The compound decomposes gradually starting from 160 °C, and due to heating, the structure suffers slight reversible changes in the bond distances and angles.https://www.mdpi.com/1420-3049/24/22/4059cadmium coordination polymersionothermal synthesiscrystal structure determination |
| spellingShingle | Iñigo PerezF Edurne S. Larrea Begoña Bazán Gotzone Barandika M. Karmele Urtiaga Maria I. Arriortua Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization Molecules cadmium coordination polymers ionothermal synthesis crystal structure determination |
| title | Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization |
| title_full | Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization |
| title_fullStr | Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization |
| title_full_unstemmed | Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization |
| title_short | Ionothermal Synthesis of Cadmium Coordination Polymers: Ionic Liquid Effects on the Synthesis, Structural, and Thermal Characterization |
| title_sort | ionothermal synthesis of cadmium coordination polymers ionic liquid effects on the synthesis structural and thermal characterization |
| topic | cadmium coordination polymers ionothermal synthesis crystal structure determination |
| url | https://www.mdpi.com/1420-3049/24/22/4059 |
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