Pb2Y
Carlson, O.N.Schmidt, F.A.Diesburg, D.E.
Transactions of the American Society for Metals (1967) 60, 119-124
a=4.55Å b=16.46Å c=4.45Å
α=90° β=90° γ=90°
Pb4Y5
a=7.994Å b=15.1Å c=8.241Å