PLATINUM (II) ION non-polymer HETAI Pt 2 1999-07-08 2011-06-04 N REL 195.078 PT N N RCSB PT PT 2 0 N N N 0.000 0.000 0.000 0.000 0.000 0.000 PT PT 1 [Pt+2] [Pt++] [Pt++] [Pt+2] [Pt+2] InChI=1S/Pt/q+2 HRGDZIGMBDGFTC-UHFFFAOYSA-N platinum(2+) platinum(+2) cation RCSB RCSB