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The structure and stability of simple tri-iodides.

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Finney, Anthony John Thompson (1973) The structure and stability of simple tri-iodides. PhD thesis, University of Tasmania.

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Abstract

In this work the simple tri-iodides are regarded as being those
in which the crystal lattice contains only cations, tri-iodide anions
and possibly solvate molecules. The alkali metal tri-iodides CsI 3
and KI 3 .H20 exemplify compounds of this type; polyiodides like the
penta-iodide (CH3)4NI5 or the hepta-iodide (C2H5) 4I7, in which it is
known that the anionic group is made up of I -3 units accompanied by
iodine molecules, are not encompassed by this study. In the solid
state the simple tri-iodides exhibit a wide range of stability, and
the probable causes underlying this range in behaviour are reviewed
against existing knowledge concerning the crystalline structure and
current models of the anion bonding of these compounds. The presence
of solvate molecules in the lattice has a profound effect upon the
stability of the simple tri-iodides; also among the unsolvated
species there is a range in stability which can be attributed to
differences in the electrostatic environment experienced by the anion.
This sensitivity to electrostatic environment is reflected in small
differences in the geometric configuration of the anion among the
unsolvated tri-iodides as revealed by crystal structure analysis.

Item Type: Thesis (PhD)
Keywords: Tri-iodides, Crystallography
Copyright Holders: The Author
Copyright Information:

Copyright 1973 the Author - The University is continuing to endeavour to trace the copyright owner(s) and in the meantime this item has been reproduced here in good faith. We would be pleased to hear from the copyright owner(s).

Additional Information:

Thesis (Ph.D.) -- University of Tasmania, 1974. Bibliography: l. 255-266

Date Deposited: 08 Dec 2014 23:54
Last Modified: 16 Aug 2016 01:32
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