Media type: E-Article Title: Implementation of RI-CC2 triplet excitation energies with an application to trans-azobenzene Contributor: Hättig, Christof; Hald, Kasper Published: Royal Society of Chemistry (RSC), 2002 Published in: Physical Chemistry Chemical Physics, 4 (2002) 11, Seite 2111-2118 Language: Not determined DOI: 10.1039/b110847f ISSN: 1463-9084; 1463-9076 Origination: Footnote: