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Crystal structure of a new polymorph of iodic acid, δ-HIO3, from powder diffraction

Published online by Cambridge University Press:  15 August 2017

Tao Wu Open the ORCID record for Tao Wu [Opens in a new window] ,
Peter Y. Zavalij  and
Michael R. Zachariah
Tao Wu
Affiliation:
Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742
Peter Y. Zavalij
Affiliation:
Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742
Michael R. Zachariah*
Affiliation:
Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742 Department of Chemical and Biochemical Engineering, University of Maryland, College Park, Maryland 20742
*
a)Author to whom correspondence should be addressed. Electronic mail: mrz@umd.edu
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Abstract

A new polymorph of iodic acid, δ-HIO3, synthesized via aerosol spray pyrolysis was characterized with powder X-ray diffraction and its crystal structure was solved. We find that a previously misidentified phase of I4O9 hydrate is in fact a new polymorph of HIO3, which crystalizes in the orthorhombic space group P212121.

Keywords

iodic acidscrystal structure determinationpowder diffractionI4O9 hydrateRietveld refinement
Type
New Diffraction Data
Information
Powder Diffraction , Volume 32 , Issue 4 , December 2017 , pp. 261 - 264
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Copyright
Copyright © International Centre for Diffraction Data 2017 

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