Dithallium tetrabromide

Thallium compounds: dithallium tetrabromide

The thallium in dithallium tetrabromide formally is in the oxidation state 1, 3.

Dithallium tetrabromide

• Formula as often written: Tl₂Br₄
• Hill system formula: Br₄Tl₂
• CAS registry number: [13453-28-6]
• Formula weight: 728.383
• Class: bromide

Synonyms

• dithallium tetrabromide
• thallium (I, III) bromide
• thallium bromide

Physical properties

• Colour: pale brown
• Appearance: solid
• Melting point:
• Boiling point:
• Density:

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Element analysis

Element percentages for the elements in dithallium tetrabromide

Element	%
Br	43.88
Tl	56.12

Synthesis

This is actually Tl(I)[Tl(III)Br₄]

Solid state structure

• Geometry of thallium:
• Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the Tl₂Br₄ unit with the most intense ion set to 100%.

Formula: Tl₂Br₄

mass  %
722   1.9 _
723   0.0 
724  16.4 ________
725   0.0 
726  56.6 ____________________________
727   0.0 
728 100.0 __________________________________________________
729   0.0 
730  96.0 ________________________________________________
731   0.0 
732  47.7 ________________________
733   0.0 
734   9.6 _____

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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Thallium	Thallium
Thallium	Thallium
Tallio	Talio
Tallium	Tálio