NaS2V
Wiegers, G.A.Kloosterboer, H.J.van Heiningen, H.van der Meer, R.Alberink, A.J.A.
Materials Research Bulletin (1974) 9, 1261-1261
a=3.346Å b=3.346Å c=21.02Å
α=90° β=90° γ=120°