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Compounds of chromium:
chromium (IV) chloride
- Formula as commonly written: CrCl4
- Hill system formula: Cl4Cr1
- CAS registry number: [15597-88-3]
- Formula weight: 193.807
- Class: chloride
Synonyms
- chromium (IV) chloride
- chromium chloride
- chromium tetrachloride
Physical properties
- Colour:
- Appearance:
- Melting point:
- Boiling point: >600°C
- Density: 8.5 kg m-3 (gas)
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Element analysis and oxidation numbers
For each compound, and where possible, a formal oxidation number for each element is given, but the usefulness of this number is limited, especially so for p-block elements in particular. Based upon that oxidation number, an electronic configuration is also given but note that for more exotic compounds you should view this as a guide only.
| Element |
% |
Formal oxidation state |
Formal electronic configuration |
|
Cl |
73.17 |
-1 |
[Ne].3s2.3p6 |
|
Cr |
26.83 |
4 |
[Ar].3d2 |
Synthesis
CrCl4 is only observed at high temperatures in the gas phase
Isotope pattern
What follows is the calculated isotope pattern for the CrCl4 unit with the most intense ion set to 100%.
Formula: Cr1Cl4
mass %
190 3.9 __ 191 0.0 192 79.6 ________________________________________ 193 8.5 ____ 194 100.0 __________________________________________________ 195 10.8 _____ 196 49.0 ________________________ 197 5.2 ___ 198 11.1 ______ 199 1.1 _ 200 1.1 _ 201 0.1 202 0.0
References
The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.
- R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
- N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
- F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
- A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
- R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
- A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
- A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
- J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
- D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
- J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
- J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.
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