Se2Ta
Luedecke, J.van Smaalen, S.de Boer, J.L.Spijkerman, A.Wiegers, G.A.
Physical Review, Serie 3. B - Condensed Matter (18,1978-) (1999) 59, 6063-6071
a=3.4552Å b=3.4552Å c=25.1495Å
α=90° β=90° γ=120°
Luedecke, J.van Smaalen, S.Wiegers, G.A.de Boer, J.L.Spijkerman, A.
a=12.4579Å b=12.4579Å c=25.1495Å