10. Architecture of ORCA¶ Architecture of ORCA 10.1. ORCA Structure 10.1.1. Program Components 10.2. The Architecture of ORCA 10.2.1. The structure of the ORCA source code 10.2.2. The shell structure of ORCA 10.2.3. The master/slave concept and the calling sequence 10.2.4. The calculation of molecular properties 10.2.4.1. Response properties 10.2.4.2. QDPT properties 10.2.4.3. Excited state properties 10.3. Units and Conversion Factors
