Molybdenum diarsenide

Molybdenum diarsenide is an arsenide of molybdenum, with the chemical formula MoAs₂. Other arsenides of molybdenum are Mo₂As₃ and Mo₅As₄.^[2][3]

Molybdenum diarsenide

Identifiers
CAS Number	2006-24-5
3D model (JSmol)	Interactive image
InChI InChI=1S/2As.Mo Key: SUNOQBBRKUWPGB-UHFFFAOYSA-N
SMILES [Mo].[As].[As]
Properties
Chemical formula	As2Mo
Molar mass	245.79 g·mol−1
Appearance	black solid[1]
Density	8.07 g·cm−3[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Preparation

Molybdenum diarsenide can be prepared by the reaction of molybdenum and arsenic at 570 °C.^[1]

Properties

Molybdenum diarsenide is a black solid,^[1] and is a superconductor at 0.41 K.^[4] It crystallises in the monoclinic crystal system, with space group (No. 12).^[5] It has the same structure as molybdenum diphosphide. It is insoluble in concentrated hydrochloric acid or hydrogen peroxide, but easily soluble in nitric acid, hot concentrated sulfuric acid and aqua regia.^[6]