Selenium compounds: teteaselenium hexadecabromide

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The selenium in teteaselenium hexadecabromide formally is in the oxidation state 4.

Crystal structure of teteaselenium hexadecabromide

Teteaselenium hexadecabromide

  • Formula as often written: [SeBr4]4
  • Hill system formula: Br16Se4
  • CAS registry number: [7789-65-3]
  • Formula weight: 1594.304
  • Class: bromide

Synonyms

  • teteaselenium hexadecabromide
  • selenium(IV) bromide
  • selenium bromide
  • selenium bromide (alpha form)
  • selenium tetrabromide

Physical properties

  • Colour: yellow or orange-red
  • Appearance: solid
  • Melting point: 75°C (decomposes)
  • Boiling point: 123°C
  • Density: 4030 kg m-3

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Element analysis

Element percentages for the elements in teteaselenium hexadecabromide
Element %
Br 80.19
Se 19.81

Synthesis

Not available

Solid state structure

  • Geometry of selenium:
  • Prototypical structure:

Crystal structure of teteaselenium hexadecabromide

Isotope pattern

What follows is the calculated isotope pattern for the [SeBr4]4 unit with the most intense ion set to 100%.

Formula: Se4Br16

mass  %
1566   0.0 
1567 0.0
1568 0.0
1569 0.0
1570 0.0
1571 0.0
1572 0.0
1573 0.0
1574 0.0
1575 0.0
1576 0.0
1577 0.0
1578 0.2
1579 0.0
1580 0.7
1581 0.1
1582 2.1 _
1583 0.2
1584 5.5 ___
1585 0.6
1586 12.6 ______
1587 1.1 _
1588 25.0 ____________
1589 1.9 _
1590 43.4 ______________________
1591 2.7 _
1592 65.8 _________________________________
1593 3.3 __
1594 87.0 ____________________________________________
1595 3.5 __
1596 100.0 __________________________________________________
1597 3.2 __
1598 99.6 __________________________________________________
1599 2.4 _
1600 85.6 ___________________________________________
1601 1.5 _
1602 63.1 ________________________________
1603 0.8
1604 39.6 ____________________
1605 0.4
1606 21.0 __________
1607 0.1
1608 9.3 _____
1609 0.0
1610 3.4 __
1611 0.0
1612 1.0
1613 0.0
1614 0.2
1615 0.0
1616 0.0
1617 0.0
1618 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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selenium atomic number