ErS
Eliseev, A.A.Grizik, A.A.Borzenkov, N.N.Borodulenko, G.P.Evdokimova, V.V.Gracheva, M.N.Novokshonov, V.I.
Zhurnal Neorganicheskoi Khimii (1978) 23, 1453-1454
a=5.442Å b=5.442Å c=5.442Å
α=90° β=90° γ=90°