Materials Data on SiW3 by Materials Project
W3Si is High-temperature superconductor structured and crystallizes in the cubic Im-3m space group. The structure is three-dimensional. W is bonded to four equivalent W and two equivalent Si atoms to form distorted WSi2W4 octahedra that share corners with six equivalent WSi2W4 octahedra, edges with four equivalent SiW6 octahedra, and edges with eight equivalent WSi2W4 octahedra. The corner-sharing octahedral tilt angles are 0°. All W–W bond lengths are 2.61 Å. Both W–Si bond lengths are 2.61 Å. Si is bonded to six equivalent W atoms to form SiW6 octahedra that share corners with six equivalent SiW6 octahedra and edges with twelve equivalent WSi2W4 octahedra. The corner-sharing octahedral tilt angles are 0°.
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