Yttrium (III) chloride
Crystal structure | ||||||||||
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__ Y 3+ __ Cl - | ||||||||||
General | ||||||||||
Surname | Yttrium (III) chloride | |||||||||
other names |
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Ratio formula |
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Brief description |
white, odorless solid |
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properties | ||||||||||
Molar mass | 195.26 g mol −1 | |||||||||
Physical state |
firmly |
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density |
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Melting point |
721 ° C |
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boiling point |
1507 ° C |
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solubility | ||||||||||
safety instructions | ||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Yttrium (III) chloride is a chemical compound , more precisely the chloride of yttrium .
Extraction and presentation
Yttrium chloride can be obtained by reacting yttrium oxide with hydrochloric acid or chlorine .
use
Yttrium chloride is used in analytical chemistry as a catalyst , for the production of pure yttrium (e.g. by reduction with potassium ) and as a starting material for ceramic materials (e.g. titanium and phosphorus-containing ceramics, which are used, among other things, as microwave filters and laser material can) and glasses are used.
Physical Properties
Yttrium chloride crystallizes in a monoclinic crystal structure . The space group is C 2 / m (No. 12) and the lattice constants are a = 6.92 Å , b = 11.94 Å, c = 6.44 Å and β = 111.0 °. In the crystal structure, each yttrium atom is surrounded by six chlorine atoms in a distorted octahedral manner .
Individual evidence
- ↑ a b c d e f data sheet Yttrium (III) chloride, ultra dry, 99.99% (REO) from AlfaAesar, accessed on December 7, 2019 ( PDF )(JavaScript required) .
- ↑ Data sheet Yttrium (III) -Chloride Hexahydrate (PDF) from Fisher Scientific , accessed on February 13, 2014.
- ↑ Jane E. Macintyre: Dictionary of Inorganic Compounds . CRC Press, 1992, ISBN 978-0-412-30120-9 , pp. 2940 ( limited preview in Google Book search).
- ↑ osha.gov: Occupational Safety and Health Guideline for Yttrium & Compounds ( Memento of May 3, 2013 in the Internet Archive )
- ↑ Metal Rare Earth Limited: Yttrium Chloride 99% -99.9999%
- ^ DH Templeton, GF Carter: The crystal structure of yttrium trichloride and similar compounds . In: Journal of Physical Chemistry , 1954 , 58 , pp. 940-944 doi: 10.1021 / j150521a002 .