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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lage Pereira, Cláudia
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2020Thermochromism of highly luminescent photopolymer flexible films based on Eu (III) salts confined in polysulfonecitations
- 2017Membranes with a low loading of Metal–Organic Framework-Supported Ionic Liquids for CO2/N2 separation in CO2 capturecitations
- 2014Metal-Organic frameworks based on uranyl and phosphonate ligandscitations
- 2013Preparation of dense 13C pellets using spark plasma sintering technique
- 2009Amino acid-functionalized cyclopentadienyl molybdenum tricarbonyl complex and its use in catalytic olefin epoxidationcitations
- 2007A combined theoretical-experimental study of the inclusion of niobocene dichloride in native and permethylated β-cyclodextrinscitations
- 2006Structural studies of [CpMoL2(CO)2]+ (L = NCMe, L2 = 2,2′-biimidazole) complexes and their inclusion compounds with cyclodextrinscitations
Places of action
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article
Structural studies of [CpMoL2(CO)2]+ (L = NCMe, L2 = 2,2′-biimidazole) complexes and their inclusion compounds with cyclodextrins
Abstract
<p>Protonation of [CpMo(η<sup>3</sup>-C<sub>3</sub>H<sub>5</sub>)(CO) <sub>2</sub>] followed by addition of acetonitrile or 2,2′-biimidazole (H<sub>2</sub>biim) gave the complexes [CpMo(NCMe)<sub>2</sub>(CO) <sub>2</sub>](BF<sub>4</sub>) (1) and [CpMo(H<sub>2</sub>biim)-(CO) <sub>2</sub>](BF<sub>4</sub>) (2) in good yields. The structures of 1 and 2 were determined by single-crystal X-ray diffraction in the orthorhombic Pbca and triclinic P1 space groups, respectively. Both complexes have similar metal ion coordination environments, which can be envisaged as slightly distorted pseudosquare pyramids, a coordination geometry commonly compared with a four-legged piano stool. The two complexes were immobilised in native and permethylated β-cyclodextrins (β CD and TRIMEB) by methods tailored according to the stabilities and solubilities of the individual components and this gave four adducts with a 1:1 host/guest stoichiometry. The formation of true inclusion compounds was supported by powder X-ray diffraction (XRD), thermogravimetric analysis (TGA), <sup>13</sup>C(<sup>1</sup>H) CP/MAS NMR and FTIR spectroscopy. In the case of the TRIMEB adduct containing complex 1, the crystal packing arrangement is markedly similar to that previously reported for the corresponding 1:1 TRIMEB adducts of the neutral guests [CpMoX(CO) <sub>3</sub>] (X = Cl, CH<sub>2</sub>CONH<sub>2</sub>), featuring columns in which the macrocycles are arranged along the b axis in a tilted fashion.</p>