ion copper(1+) PDBeChem:CU1 CAS:17493-86-6 CHEBI:49552 copper cation copper(1+) ion CHEBI:49551 chebi_ontology COPPER (I) ION InChI=1S/Cu/q+1 cuprous ion Cu [Cu+] CHEBI:23379 copper(I) cation +1 copper(I) cation 63.54600 copper(1+) ion 62.92905 Cu(+) copper(1+) VMQMZMRVKUZKQL-UHFFFAOYSA-N Gmelin:15189