B2Ru3Yb
Sienko, R.J.Hiebl, K.Rogl, P.Uhl, E.
Inorganic Chemistry (1980) 19, 3316-3320
a=5.454Å b=5.454Å c=3.003Å
α=90° β=90° γ=120°
B2Ru3Th
Uhl, E.Hiebl, K.Rogl, P.Sienko, R.J.
a=5.528Å b=5.528Å c=3.07Å