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

Chemical compound

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]

1. ^ 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)
2. ^ 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.
3. ^ 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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Polonium compounds

Polonium(−II)|

* Li2Po
* Na2Po
* K2Po
* Rb2Po
* Cs2Po
* BePo
* MgPo
* CaPo
* SrPo
* BaPo
* ZnPo
* CdPo
* HgPo
* PbPo

Polonium(II)|

* PoH2
* PoCl2
* PoBr2
* PoI2
* PoO
* PoS
* Po(OH)2
* Po(NO3)2
* "PoSO3"
* "PoSeO3"

Polonium(IV)|

* PoF4
* PoCl4
* PoBr4
* PoI4
* PoCl2Br2
* PoO2
* PoO(OH)2
* Po(SO4)2
* Po(SeO4)2
* Po(NO3)4
* Po(CO3)2
* Po3(PO4)4
* Po(CrO4)2
* Po(IO3)4
* H2PoBr6
* Cs2PoCl6
* Cs2PoBr6
* Cs2PoI6
* H2PoO3
* K2PoO3
* Po(C2O4)2
* Po(CH3CO2)4
* Po(CN)4

Polonium(VI)|

* PoF6
* PoO3

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Magnesium compounds

* MgB2
* MgBr2
* MgCO3
* MgC2O4
* MgC6H6O7
* C12H10Mg3O14
* C4H8MgN2O4
* MgC14H10O4
* MgCl2
* Mg(ClO3)2
* Mg(ClO4)2
* MgF2
* MgH2
* Mg(HCO3)2
* Mg(HCO2)2
* MgHPO4
* Mg(H2PO4)2
* MgI2
* Mg(NO3)2
* MgO
* MgO2
* Mg(OH)2
* Mg3(PO4)2
* MgPo
* MgSe
* MgS
* MgSO3
* MgSO4
* MgU2O7
* Mg2Al3
* Mg2Si
* Mg5Ga2
* Mg2SiO4
* Mg2Si3O8
* Mg3N2
* Mg2(CrO4)2
* C
24H
46MgO

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