Single Nanoscale Cluster Species Revealed by1H NMR Diffusion-Ordered Spectroscopy and Small-Angle X-ray Scattering
| Autor: | Matthew E. Carnes, Matthew M. Baseman, Erik K. Richman, Darren W. Johnson, James E. Hutchison, Anna F. Oliveri |
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| Rok vydání: | 2012 |
| Předmět: |
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Molecular Magnetic Resonance Spectroscopy Hydrodynamic radius Aqueous solution Molecular Structure Small-angle X-ray scattering Chemistry Gallium General Chemistry Nuclear magnetic resonance spectroscopy General Medicine Catalysis Nanostructures Diffusion Crystallography X-Ray Diffraction Scattering Small Angle Hydrodynamics Cluster (physics) Proton NMR Protons Hydrate Spectroscopy |
| Zdroj: | Angewandte Chemie. 124:11154-11158 |
| ISSN: | 0044-8249 |
| DOI: | 10.1002/ange.201206386 |
| Popis: | A solved structure: The hydrated Ga(13) cluster, [Ga(13)(μ(3)-OH)(6)(μ-OH)(18)(H(2)O)(24)](NO(3))(15)], persists as a discrete nanoscale structure in an aqueous polar solvent at millimolar concentration. SAXS data confirm the presence of Ga(13) in dimethyl sulfoxide (DMSO). In aqueous [D(6)]DMSO (1)H NMR signals for the hydroxo and aquo ligands of Ga(13) were detected, thus showing a cluster with a hydrodynamic radius of (11.2±0.8) Å (see picture). |
| Databáze: | OpenAIRE |
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