en Magnesium polonide

Magnesium polonide
Names
	Preferred IUPAC name Magnesium polonide
Identifiers
CAS Number	66703-55-7;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/Mg.Po Key: BJTAGGSZNCQBON-UHFFFAOYSA-N;
	SMILES [Mg].[Po];
Properties
Chemical formula	MgPo
Molar mass	233.29 g/mol
Appearance	greyish
Density	6.7 g/cm3 (XRD)
Structure
Crystal structure	NiAs, hP4, No. 194
Space group	P63/mmc
Lattice constant	a = 0.4345 nm, b = 0.4345 nm, c = 0.7077 nm
Formula units (Z)	2
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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

Magnesium polonide can be produced by heating a mixture of elemental magnesium and polonium at 300–400 °C.^[1]

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]

^ ^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.
^ ^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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