CeCo2Si2
Levin, E.M.Bodak, O.I.Gladyshevskii, E.I.Sinyushko, V.G.
Physica Status Solidi, Sectio A: Applied Research (1992) 134, 107-117
a=3.96Å b=3.96Å c=9.78Å
α=90° β=90° γ=90°
CeNi2Si2
a=4.035Å b=4.035Å c=9.58Å