Reference¶ The following sub-topics provide a summary of structure-based calculations: Charge in JChem for Office Drug Discovery Filtering Elemental Analysis Geometry in JChem for Office Hydrogen Bond Donor-Acceptor Isomers in JChem for Office IUPAC Naming Markush Enumeration in JChem for Office Protonation and Partitioning Structure Tautomers in JChem for Office Topology Analysis