D3U
Lawson, A.C.jr.Severing, A.Olsen, C.E.Ward, J.W.Goldstone, J.A.Williams, A.
Journal of the Less-Common Metals (1990) 158, 267-274
a=6.635Å b=6.635Å c=6.635Å
α=90° β=90° γ=90°