#136
P42/mnm
Example – Rutile, TiO2
From the Latin, rutilus – “reddish.”
Rutile-type compounds. VI. SiO2, GeO2 and a comparison with other rutile-type structures
Baur, W.H.; Khan, A.A.
Acta Cryst. B (1971) 27, p2133-p2139
http://www.webmineral.com/data/Rutile.shtml
TiO6 octahedra (blue)