Promethium iodate information

Promethium iodate
Identifiers
CAS Number	anhydrous: 14325-83-8 ; monohydrate: 58890-24-7 ;
3D model (JSmol)	anhydrous: Interactive image; monohydrate: Interactive image;
	InChI InChI=1S/3HIO3.Pm/c32-1(3)4;/h3(H,2,3,4);/q;;;+3/p-3 Key: OTVRQOHWWGIUPQ-UHFFFAOYSA-K;
	SMILES anhydrous: [Pm+3].O=I(=O)[O-].O=I(=O)[O-].O=I(=O)[O-]; monohydrate: [Pm+3].O=I(=O)[O-].O=I(=O)[O-].O=I(=O)[O-].O;
Properties
Chemical formula	Pm(IO3)3
Molar mass	669.71
Density	5.00 g·cm−3 (hydrate)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Promethium iodate is an inorganic compound with the chemical formula Pm(IO₃)₃. It can be obtained by reacting with potassium iodate, ammonium iodate or a slight excess of iodic acid and Pm³⁺ solution and precipitating it.^[2] Its hydrate, Pm(IO₃)₃·H₂O, crystallizes in the P2₁ space group, with unit cell parameters a=10.172±13, b=6.700±20, c=7.289±24 Å, β=113.1±0.2°.^[1]

^ ^a ^b Abrahams, S.C.; Bernstein, J.L.; Nassau, K. (Jan 1976). "Transition metal iodates. VII. Crystallographic and nonlinear optic survey of the 4f-iodates". Journal of Solid State Chemistry. 16 (1–2): 173–184. Bibcode:1976JSSCh..16..173A. doi:10.1016/0022-4596(76)90020-7.
^ Yi, Xianwu (1992). 1.3.3 Compounds with oxidation state +3. Series of Inorganic Chemistry - Vol 7 - Scandium, Rare earth elements (First ed.). Beijing: Science Press. ISBN 978-7-03-030574-9. OCLC 759498851.

[Abrahams-1] Abrahams, S.C.; Bernstein, J.L.; Nassau, K. (Jan 1976). "Transition metal iodates. VII. Crystallographic and nonlinear optic survey of the 4f-iodates". Journal of Solid State Chemistry. 16 (1–2): 173–184. Bibcode:1976JSSCh..16..173A. doi:10.1016/0022-4596(76)90020-7.

[2] Yi, Xianwu (1992). 1.3.3 Compounds with oxidation state +3. Series of Inorganic Chemistry - Vol 7 - Scandium, Rare earth elements (First ed.). Beijing: Science Press. ISBN 978-7-03-030574-9. OCLC 759498851.

Promethium iodate information

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Promethium iodate

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Radium

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Neptunium

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Identifiers
CAS Number	anhydrous: 14325-83-8^Y monohydrate: 58890-24-7^Y
3D model (JSmol)	anhydrous: Interactive image monohydrate: Interactive image
InChI InChI=1S/3HIO3.Pm/c32-1(3)4;/h3(H,2,3,4);/q;;;+3/p-3 Key: OTVRQOHWWGIUPQ-UHFFFAOYSA-K
SMILES anhydrous: [Pm+3].O=I(=O)[O-].O=I(=O)[O-].O=I(=O)[O-] monohydrate: [Pm+3].O=I(=O)[O-].O=I(=O)[O-].O=I(=O)[O-].O
Properties
Chemical formula	Pm(IO₃)₃
Molar mass	669.71
Density	5.00 g·cm⁻³ (hydrate)^[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references