Samarium(Iii) Phosphate

Samarium(III) phosphate
Identifiers
CAS Number	13465-57-1 ; monohydrate: 14913-18-9;
3D model (JSmol)	Interactive image; monohydrate: Interactive image;
ChemSpider	13931016;
EC Number	236-698-0;
PubChem CID	13710715; monohydrate: 16217379;
	InChI InChI=1S/H3O4P.Sm/c1-5(2,3)4;/h(H3,1,2,3,4);/q;+3/p-3 Key: BJRVEOKYZKROCC-UHFFFAOYSA-K; monohydrate: InChI=1S/H3O4P.H2O.Sm/c1-5(2,3)4;;/h(H3,1,2,3,4);1H2;/q;;+3/p-3 Key: GIUBLDXWAJRBHC-UHFFFAOYSA-K;
	SMILES [O-]P(=O)([O-])[O-].[Sm+3]; monohydrate: O.[O-]P(=O)([O-])[O-].[Sm+3];
Properties
Chemical formula	O4PSm
Molar mass	245.33 g·mol−1
Appearance	solid
Density	5.83 g·cm−3
Solubility in water	insoluble
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Samarium(III) phosphate is an inorganic compound, with the chemical formula of SmPO₄. It is one of the phosphates of samarium.

Preparation

Samarium(III) phosphate can be obtained by reacting sodium metaphosphate with any soluble samarium(III) salt:

[math]\displaystyle{ \mathsf{ SmCl_3 + NaPO_3 + H_2O \ \xrightarrow{}\ 2 SmPO_4\downarrow + NaCl + 2 HCl } }[/math]

Samarium(III) phosphate can also be obtained by reacting phosphoric acid and samarium(III) chloride.^[1]

Properties

Samarium(III) phosphate reacts with sodium fluoride at 750 °C to form Na₂SmF₂PO₄.^[2] Samarium(III) phosphate forms crystals of the monoclinic crystal system, with space group P2₁/n, and lattice parameters a = 0.6669 nm, b = 0.6868 nm, c = 0.6351 nm, β = 103.92 °, Z = 4.^[3]

References

↑ HIKICHI, Yasuo; MURAYAMA, Kyouhei; OHSATO, Hitoshi; NOMURA, Tsuyoshi (1990). "Thermal changes of rare earth phosphate minerals" (in ja). Journal of the Mineralogical Society of Japan (Japan Association of Mineralogical Sciences) 19 (3): 117–126. doi:10.2465/gkk1952.19.117. ISSN 1883-7018.
↑ Zimina, G. V.; Smirnova, I. N.; Gorkovenko, M. Yu.; Spiridonov, F. M.; Komissarova, L. N.; Kaloev, N. I. Synthesis and study of rare earth element fluorophosphates Na2LnF2PO4(in Russian). Zhurnal Neorganicheskoi Khimii, 1994. 39 (9): 1571-1574. ISSN 0044-457X.
↑ D.F. Mullica, David A. Grossie, L.A. Boatner (March 1985). "Coordination geometry and structural determinations of SmPO4,EuPO4 and GdPO4" (in en). Inorganica Chimica Acta 109 (2): 105–110. doi:10.1016/S0020-1693(00)84549-1. https://linkinghub.elsevier.com/retrieve/pii/S0020169300845491. Retrieved 2021-11-19.

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[1] HIKICHI, Yasuo; MURAYAMA, Kyouhei; OHSATO, Hitoshi; NOMURA, Tsuyoshi (1990). "Thermal changes of rare earth phosphate minerals" (in ja). Journal of the Mineralogical Society of Japan (Japan Association of Mineralogical Sciences) 19 (3): 117–126. doi:10.2465/gkk1952.19.117. ISSN 1883-7018.

[2] Zimina, G. V.; Smirnova, I. N.; Gorkovenko, M. Yu.; Spiridonov, F. M.; Komissarova, L. N.; Kaloev, N. I. Synthesis and study of rare earth element fluorophosphates Na2LnF2PO4(in Russian). Zhurnal Neorganicheskoi Khimii, 1994. 39 (9): 1571-1574. ISSN 0044-457X.

[3] D.F. Mullica, David A. Grossie, L.A. Boatner (March 1985). "Coordination geometry and structural determinations of SmPO4,EuPO4 and GdPO4" (in en). Inorganica Chimica Acta 109 (2): 105–110. doi:10.1016/S0020-1693(00)84549-1. https://linkinghub.elsevier.com/retrieve/pii/S0020169300845491. Retrieved 2021-11-19.

Identifiers

CAS Number	13465-57-1^Y monohydrate: 14913-18-9
3D model (JSmol)	Interactive image monohydrate: Interactive image
ChemSpider	13931016
EC Number	236-698-0
PubChem CID	13710715 monohydrate: 16217379
InChI InChI=1S/H3O4P.Sm/c1-5(2,3)4;/h(H3,1,2,3,4);/q;+3/p-3 Key: BJRVEOKYZKROCC-UHFFFAOYSA-K monohydrate: InChI=1S/H3O4P.H2O.Sm/c1-5(2,3)4;;/h(H3,1,2,3,4);1H2;/q;;+3/p-3 Key: GIUBLDXWAJRBHC-UHFFFAOYSA-K
SMILES [O-]P(=O)([O-])[O-].[Sm+3] monohydrate: O.[O-]P(=O)([O-])[O-].[Sm+3]
Properties
Chemical formula	O₄PSm
Molar mass	245.33 g·mol⁻¹
Appearance	solid
Density	5.83 g·cm⁻³
Solubility in water	insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references