Tungstenite 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 Sample: 2H polytype _database_code_amcsd 0013601 3.1532 3.1532 12.323 90 90 120 P6_3/mmc atom x y z W1 1/3 2/3 .25 S1 1/3 2/3 .6225