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[1]
Density | 6.7 g/cm3 (XRD)[2]
Structure[2]

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

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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

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

## Structure

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

1. ↑ 1.0 1.1 1.2 Bagnall, K. W. (1962). "The Chemistry of Polonium". Advances in Inorganic Chemistry and Radiochemistry. New York: Academic Press. pp. 197–230. ISBN 9780120236046. https://books.google.com/books?id=8qePsa3V8GQC.
2. ↑ 2.0 2.1 2.2 Witteman, W. G.; Giorgi, A. L.; Vier, D. T. (1960). "The Preparation and Identification of Some Intermetallic Compounds of Polonium". Journal of Physical Chemistry (American Chemical Society) 64 (4): 434–440. doi:10.1021/j100833a014.
3. ↑ 3.0 3.1 Greenwood, Norman N.; Earnshaw, Alan (1984). Chemistry of the Elements. Oxford: Pergamon Press. p. 899. ISBN 978-0-08-022057-4. https://books.google.com/books?id=OezvAAAAMAAJ&q=0-08-022057-6&dq=0-08-022057-6&source=bl&ots=m4tIRxdwSk&sig=XQTTjw5EN9n5z62JB3d0vaUEn0Y&hl=en&sa=X&ei=UoAWUN7-EM6ziQfyxIDoCQ&ved=0CD8Q6AEwBA.

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Magnesium compounds

* MgB2
* MgBr2
* MgCO3
* MgC2O4
* MgC6H6O7
* MgC14H10O4
* MgCl2
* Mg(ClO4)2
* MgF2
* MgH2
* Mg(HCO3)2
* MgI2
* Mg(NO3)2
* MgO
* MgO2
* Mg(OH)2
* MgPo
* MgS
* MgSO3
* MgSO4
* MgU2O7
* Mg2Al3
* Mg2Si
* Mg2SiO4
* Mg2Si3O8
* Mg3N2
* Mg3(PO4)2
* Mg2(CrO4)2

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