Protactinium trihydride

Protactinium trihydride
Identifiers
CAS Number	39096-86-1 ;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/Pa.3H/q+3;3*-1 Key: RREPDROBWYBJQU-UHFFFAOYSA-N;
	SMILES [H-].[H-].[H-].[Pa+3];
Properties
Chemical formula	H3Pa
Molar mass	234.060 g·mol−1
Appearance	black solid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Protactinium trihydride is an inorganic compound with the chemical formula PaH₃. It is isostructural with uranium trihydride and can be prepared by reacting protactinium and hydrogen at 250°C and 600 mmHg.^[1] Theoretical calculations show that it can form further compounds PaH_n (n = 4, 5, 8, 9) under high pressure.^[2] Protactinium trihydride is sensitive to moist air and oxygen.

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Protactinium trihydride

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Identifiers

CAS Number	39096-86-1^Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Pa.3H/q+3;3*-1 Key: RREPDROBWYBJQU-UHFFFAOYSA-N
SMILES [H-].[H-].[H-].[Pa+3]
Properties
Chemical formula	H₃Pa
Molar mass	234.060 g·mol⁻¹
Appearance	black solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references