Yttrium
Spedding F H, Daane A H, Herrmann K W
Acta Crystallographica 9 (1956) 559-563
The crystal structures and lattice parameters of high-purity scandium,
yttrium and the rare earth metals
Locality: synthetic
Note: sample 99.4% pure
_database_code_amcsd 0009166
3.6474 3.6474 5.7306 90 90 120 P6_3/mmc
atom   x   y   z
Y    1/3 2/3 .25