Ba2O8Si2Ti
Markgraf, S.A.Halliyal, A.Bhalla, A.S.Newnham, R.E.Prewitt, C.T.
Ferroelectrics (1985) 62, 17-26
a=8.527Å b=8.527Å c=5.2104Å
α=90° β=90° γ=90°