Titanium
Hull A W
Physical Review 18 (1921) 88-89
Crystal structure of titanium, zirconium, cerium, thorium and osmium
Locality: synthetic, known as the alpha phase
_database_code_amcsd 0015116
2.97 2.97 4.72 90 90 120 P6_3/mmc
atom   x   y  z
Ti   1/3 2/3 .5