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- Title
Synthesis of an Aluminum Hydroxide Octamer through a Simple Dissolution Method.
- Authors
Perkins, Cory K.; Eitrheim, Eric S.; Fulton, Brantly L.; Fullmer, Lauren B.; Colla, Christopher A.; Park, Deok ‐ Hie; Oliveri, Anna F.; Hutchison, James E.; Nyman, May; Casey, William H.; Forbes, Tori Z.; Johnson, Darren W.; Keszler, Douglas A.
- Abstract
Multimeric oxo-hydroxo Al clusters function as models for common mineral structures and reactions. Cluster research, however, is often slowed by a lack of methods to prepare clusters in pure form and in large amounts. Herein, we report a facile synthesis of the little known cluster Al8(OH)14(H2O)18(SO4)5 ( Al8) through a simple dissolution method. We confirm its structure by single-crystal X-ray diffraction and show by 27Al NMR spectroscopy, electrospray-ionization mass spectrometry, and small- and wide-angle X-ray scattering that it also exists in solution. We speculate that Al8 may form in natural water systems through the dissolution of aluminum-containing minerals in acidic sulfate solutions, such as those that could result from acid rain or mine drainage. Additionally, the dissolution method produces a discrete Al cluster on a scale suitable for studies and applications in materials science.
- Subjects
ALUMINUM hydroxide; X-ray diffraction; X-ray scattering; ACID rain; DISSOLUTION (Chemistry)
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 34, p10295
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201702318