WSe2 Schutte W J, de Boer J L, Jellinek F Journal of Solid State Chemistry 70 (1987) 207-209 Crystal structures of tungsten disulfide and diselenide _database_code_amcsd 0013603 3.282 3.282 12.96 90 90 120 P6_3/mmc atom x y z W 1/3 2/3 .25 Se 1/3 2/3 .6211