Chemistry: WebElements Periodic Table: Professional Edition: Rhodium: compound data [rhodium carbonyl chloride (I)]

Rhodium	rhodium	Rhodium	rodio	Ródio	rodio	Rodium

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Rhodium

45
Rh
102.90550(2)

Compounds of rhodium:

rhodium carbonyl chloride (I)

Formula as commonly written: Rh₂(CO)₄Cl₂
Hill system formula: C₄Cl₂O₄Rh₂
CAS registry number: [14523-22-9]
Formula weight: 388.757
Class: complex

Synonyms

rhodium carbonyl chloride (I)
tetracarbonyldi-mu-chloro-dichloride dirhodium(I)

Physical properties

Colour:
Appearance: crystalline
Melting point: 121°C
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
C	12.36
Cl	18.24	-1	[Ne].3s².3p⁶
O	16.46
Rh	52.94	1	[Kr].4d⁸

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Rh₂(CO)₄Cl₂ unit with the most intense ion set to 100%.

Formula: Rh₂C₄O₄Cl₂

mass  %
388 100.0 __________________________________________________
389   4.6 __
390  64.8 ________________________________
391   3.0 __
392  10.8 _____
393   0.5 
394   0.1 
395   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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