iron molecular entity carbonate mineral carbonate salt one-carbon compound ferrous carbonate 115.85400 115.920 A carbonate salt in which the counter-ion is iron in the +2 oxidation state. CAS:563-71-3 CFeO3 CHEBI:86235 Ferrous monocarbonate InChI=1S/CH2O3.Fe/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 Iron II carbonate Iron carbonate PMID:22865064 PMID:24790539 PMID:25406864 PMID:25898127 RAQDACVRFCEPDA-UHFFFAOYSA-L Reaxys:13192773 Reaxys:16513103 Wikipedia:Siderite [Fe++].[O-]C([O-])=O chebi_ontology iron(2+) carbonate iron(II) carbonate siderite