COPPER (III) ION non-polymer Cu 3 2007-10-11 2011-06-04 REL 63.546 CU3 N N 2VDS EBI CU CU 3 0 N N N 14.042 -16.104 -16.168 0.000 0.000 0.000 CU CU3 1 [Cu+3] [Cu+3] [Cu+3] [Cu+3] InChI=1S/Cu/q+3 XYNZKHQSHVOGHB-UHFFFAOYSA-N copper(+3) cation EBI RCSB