Cecilia Ceccarelli
Laboratoire d'Astrophysique de l'Observatoire de Grenoble BP 53 - F-38041 Grenoble CEDEX, FranceThe LWS observations of the protobinary system IRAS16293-2422 show a very rich line spectrum. The line spectrum is dominated by the CO and water lines, but many more lines from minor molecular species are present. We discuss here their identification and interpretation.