Chemistry: WebElements Periodic Table: Professional Edition: Ruthenium: compound data [potassium perruthenate (VII)]

Ruthenium	ruthénium	Ruthenium	rutenio	Rutênio	rutenio	Rutenium

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Ruthenium

44
Ru
101.07(2)

Compounds of ruthenium:

potassium perruthenate (VII)

Formula as commonly written: KRuO4
Hill system formula: K₁O₄Ru₁
CAS registry number: [10378-50-4]
Formula weight: 204.166
Class: oxide

Synonyms

potassium perruthenate (VII)

Physical properties

Colour:
Appearance: solid
Melting point: 440°C dec.
Boiling point:
Density:

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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
K	19.15	1	[Ar]
O	31.35	-2	[He].2s².2p⁶
Ru	49.50	7	[Kr].4d¹

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the KRuO4 unit with the most intense ion set to 100%.

Formula: K₁Ru₁O₄

mass  %
199  16.9 ________
200   0.0 
201   7.1 ____
202  38.9 ___________________
203  39.1 ____________________
204  55.3 ____________________________
205 100.0 __________________________________________________
206   4.4 __
207  65.1 _________________________________
208   0.1 
209   4.7 __
210   0.0 
211   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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Document served: Tuesday 13th May, 2008