Intercalation of 1,2-Alkanediols into α-Zirconium Hydrogenphosphate |
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| Authors: | Klára Melánová Ludvík Bene? Vítězslav Zima Jan Svoboda Miroslava Trchová Ji?í Dybal |
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| Institution: | (1) Joint Laboratory of Solid State Chemistry of Institute of Macromolecular Chemistry of Academy of Sciences and University of Pardubice, Studentská 84, 532 10 Pardubice, Czech Republic;(2) Institute of Macromolecular Chemistry of Academy of Sciences of the Czech Republic, Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic |
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| Abstract: | Intercalation compounds of α-Zr(HPO4)2 · H2O with 1,2-alkanediols (from C3 to C16) have been prepared by replacing 1-propanol in α-Zr(HPO4)2 · 2C3H7OH with the desired 1,2-alkanediols by a treatment in a microwave field. It was found that the intercalates contain 1.5 molecules
of diol per formula unit. The diol molecules are placed between the host layers in a bimolecular way with their aliphatic
chains tilted at an angle of 51°. The diol molecules are anchored in the interlayer space by H-bonds. A mixed intercalate,
containing 1,2-butanediol and 1,2-decanediol in a roughly equimolar ratio, is formed when the α-Zr(HPO4)2 · 2C3H7OH intercalate, suspended in a mixture of 1,2-butanediol and 1,2-decanediol, is exposed to microwave radiation. No new phase
containing both types of the guest molecules was observed when the 1-propanol intercalate, suspended in a mixture of 1-propanol
and 1,2-octanediol, is exposed to microwave radiation. |
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| Keywords: | 1 2-alkanediol intercalation α -zirconium hydrogen phosphate |
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