Hydrolytic stability of SnCl4 and GaCl3 in the formation of [cis-SnCl4(H2O)2] · 18-crown-6 · 2H2O and [[2,2,2]cryptand + 2H][GaCl4]2 |
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| Authors: | Peter C. Junk Colin L. Raston |
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| Affiliation: | a School of Chemistry, Monash University, Clayton, Vic. 3800, Australia
b School of Biomedical and Chemical Sciences, The University of Western Australia, Crawley, WA 6009, Australia |
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| Abstract: | The combination of anhydrous SnCl4 with 18-crown-6 in aqueous conditions results in formation of the non-hydrolysed product [cis-SnCl4(H2O)2] · 18-crown-6 · 2H2O. The X-ray crystal structure shows extensive intermolecular hydrogen bonding involving the cis-octahedral SnCl4(H2O)2 units, the uncoordinated water molecules and the crown ether. Similarly, [2,2,2]cryptand reacts with an aqueous solution formed by adding anhydrous GaCl3 to slightly acidic water, affording [[2,2,2]cryptand + 2H+][GaCl4]2. |
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| Keywords: | Tin(IV) Crown ethers Hydrolytic stability |
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