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Neptunium compounds: dineptunium trisulphide
The neptunium in dineptunium trisulphide formally is in the oxidation state 3.
Dineptunium trisulphide
- Formula as often written: Np2S3
- Hill system formula: Np2S3
- CAS registry number: [12281-24-2]
- Formula weight: 570.294
- Class: sulphide
Synonyms
- dineptunium trisulphide
- neptunium(III) sulphide
- dineptunium trisulfide
- neptunium sulfide
- neptunium sulphide
- neptunium(III) sulfide
Physical properties
- Colour:
- Appearance:
- Melting point: 1200°C (changes to beta form)
- Boiling point:
- Density:
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Element analysis
Element percentages for the elements in dineptunium trisulphide
| Element |
% |
| Np |
83.13 |
| S |
16.87 |
Synthesis
Not available
Solid state structure
- Geometry of neptunium:
- Prototypical structure:
Isotope pattern
What follows is the calculated isotope pattern for the Np2S3 unit with the most intense ion set to 100%.
Formula: Np2S3
mass %
570 100.0 __________________________________________________
571 2.4 _
572 13.3 _______
573 0.2
574 0.7
575 0.0
576 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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Neptunium
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