Research Interests:
Research Interests:
An entry from the Cambridge Structural Database, the world's repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely... more
An entry from the Cambridge Structural Database, the world's repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
An entry from the Cambridge Structural Database, the world's repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely... more
An entry from the Cambridge Structural Database, the world's repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
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In the title molecular salt, NH2(C3H7)2 +·[NH2C6H4SO3]−, the cation displays an extended conformation. In the crystal, anion-to-anion N—H...O and N—H...(O,O) hydrogen bonds generate (101) layers. Cation-to-anion N—H...O hydrogen bonds... more
In the title molecular salt, NH2(C3H7)2 +·[NH2C6H4SO3]−, the cation displays an extended conformation. In the crystal, anion-to-anion N—H...O and N—H...(O,O) hydrogen bonds generate (101) layers. Cation-to-anion N—H...O hydrogen bonds connect the layers into a three-dimensional network.
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Research Interests:
On allowing Cy2NH2NO3 to react with SnBu2Cl2 and SnPh2Cl2, the two studied adducts were obtained. While considering the complex-anions [SnBu2Cl2NO3.H2O]- and [NO3.SnPh2Cl2 H2O]-, discrete structures were suggested with monocoordinating... more
On allowing Cy2NH2NO3 to react with SnBu2Cl2 and SnPh2Cl2, the two studied adducts were obtained. While considering the complex-anions [SnBu2Cl2NO3.H2O]- and [NO3.SnPh2Cl2 H2O]-, discrete structures were suggested with monocoordinating nitrate and octahedral environment around the tin centre. When the cation is involved through N-H----O or N-H----Cl hydrogen bonds, suppramolecular architectures are obtained.
When the diphenic acid HO2CC6H4C6H4CO2H is allowed to react with SnBu2Cl2 or SnPh3OH, HO2CC6H4C6H4CO2. SnBu2Cl (A) and O2CC6H4C6H4CO2(SnPh3)2∙4H2O(B) were obtained and characterized by infrared spectroscopy. The structures are an infinite... more
When the diphenic acid HO2CC6H4C6H4CO2H is allowed to react with SnBu2Cl2 or SnPh3OH, HO2CC6H4C6H4CO2. SnBu2Cl (A) and O2CC6H4C6H4CO2(SnPh3)2∙4H2O(B) were obtained and characterized by infrared spectroscopy. The structures are an infinite chain or an oligomer, the diphenic anion being a monodentate or a monochelating ligand. The environment around the tin centers is trigonal bipyramidal or octahedral.
An entry from the Cambridge Structural Database, the world's repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely... more
An entry from the Cambridge Structural Database, the world's repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
Research Interests:
Research Interests:
The organic–inorganic title salt, (C6H16N)2[MoO4] or ( i Pr2NH2)2[MoO4], was obtained by reacting MoO3 with diisopropylamine in a 1:2 molar ratio in water. The molybdate anion is located on a twofold rotation axis and exhibits a slightly... more
The organic–inorganic title salt, (C6H16N)2[MoO4] or ( i Pr2NH2)2[MoO4], was obtained by reacting MoO3 with diisopropylamine in a 1:2 molar ratio in water. The molybdate anion is located on a twofold rotation axis and exhibits a slightly distorted tetrahedral configuration. In the crystal structure, the diisopropylammmonium ( i Pr2NH2)+ cations and [MoO4]2− anions are linked to each other through N—H...O hydrogen bonds, generating rings with R 12 12(36) motifs that give rise to the formation of a three-dimensional network. The structure was refined taking into account inversion twinning (ratio of ca 4:1 between the two domains).
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The chemical and sorption properties of clay minerals from the Mako area, Senegal, were investigated using FTIR spectroscopy, X-ray diffraction, scanning electron microscopy equipped with an X-ray energy dispersion spectrometer, thermal... more
The chemical and sorption properties of clay minerals from the Mako area, Senegal, were investigated using FTIR spectroscopy, X-ray diffraction, scanning electron microscopy equipped with an X-ray energy dispersion spectrometer, thermal analysis and chemical analysis. The clay sample is essentially dominated by kaolinite and quartz as also shown by treatment with ethylene glycol and dimethylsulfoxide (DMSO). The clay fraction of this natural clay was organically modified by grafting with 3-aminopropyltriethoxysilane (APTES) in order to improve significantly its retention ability of heavy metals. The silane groups of the APTES reagent were partly grafted on the surface of platy kaolinite particles and the remaining ethoxy groups could be hydrolysed by aqueous treatment. The natural clay, its clay fraction and the organo-functionalized clay (with APTES) were investigated as adsorbents for the removal of Pb(II) from aqueous solutions. Evidence for an organic grafting has been demonstra...
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The mixture of ethanolic solutions of Ph3CCOOSnPh3 and Ph3PO or Ph3AsO gives Ph3CCOOSnPh3.Ph3PO and Ph3CCOOSnPh3.Ph3AsO adducts which have been characterized by infrared spectroscopy. A discrete structure is suggested for both, the... more
The mixture of ethanolic solutions of Ph3CCOOSnPh3 and Ph3PO or Ph3AsO gives Ph3CCOOSnPh3.Ph3PO and Ph3CCOOSnPh3.Ph3AsO adducts which have been characterized by infrared spectroscopy. A discrete structure is suggested for both, the environment around the tin centre being trigonal bipyramidal, the triphenylacetate anion behaving as a mondentate ligand.