Tantalum arsenide

Tantalum arsenide

Ta   As
Identifiers
3D model ( JSmol )	Interactive image
InChI InChI=1S/As.Ta Key: WCMKFCQUZDOHAQ-UHFFFAOYSA-N
SMILES [As].[Ta]
Properties
Chemical formula	TaAs
Molar mass	255.869 g/mol
Density	12.25 g/cm3[1]
Melting point	Decomposes at 1400°C[2]
Structure
Crystal structure	Body-centered tetragonal
Space group	I41md, No. 109
Point group	4mm
Lattice constant	a = 3.44 Å, c = 11.65 Å[1][2][3]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Tantalum arsenide is a compound of

Tantalum arsenide crystallizes in a body-centered tetragonal unit cell with lattice parameters a = 3.44 Å and c = 11.65 Å. It belongs to the space group I4₁md.

Preparation

TaAs has been prepared by decomposing TaAs₂ at 900 °C.