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Magnesium polonide
From Wikipedia - Reading time: 5 min
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| Names | |
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| Preferred IUPAC name
Magnesium polonide | |
| Identifiers | |
3D model (JSmol)
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| Properties | |
| MgPo | |
| Molar mass | 233.29 g/mol |
| Appearance | greyish[1] |
| Density | 6.7 g/cm3 (XRD)[2] |
| Structure[2] | |
| NiAs, hP4, No. 194 | |
| P63/mmc | |
a = 0.4345 nm, b = 0.4345 nm, c = 0.7077 nm
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Formula units (Z)
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2 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Magnesium polonide (MgPo) is a salt of magnesium and polonium. It is a polonide, a set of very chemically stable compounds of polonium.[3]
Preparation
[edit]Magnesium polonide can be produced by heating a mixture of elemental magnesium and polonium at 300–400 °C.[1]
Structure
[edit]Magnesium polonide has the nickeline (NiAs) structure.[1][3] It is unusual among polonides in not being isomorphous with the corresponding sulfide, selenide and telluride; only mercury polonide (HgPo) shares this property.[2]
References
[edit]- ^ a b c Bagnall, K. W. (1962). "The Chemistry of Polonium". Advances in Inorganic Chemistry and Radiochemistry. New York: Academic Press. pp. 197–230. ISBN 9780120236046.
{{cite book}}: ISBN / Date incompatibility (help) - ^ a b c Witteman, W. G.; Giorgi, A. L.; Vier, D. T. (1960). "The Preparation and Identification of Some Intermetallic Compounds of Polonium". Journal of Physical Chemistry. 64 (4). American Chemical Society: 434–440. doi:10.1021/j100833a014. OSTI 4190680.
- ^ a b Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 899. ISBN 978-0-08-022057-4.
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