PS-100 spectrometer, and the samples contained Freon-11 and Me4Si as internal standards. (1) (l-Bromo-2LL-trifluoroethyl)sulfur Pentafluoride. In a typical reaction a 10-mL stainless-steel Hoke cylinder was charged with 10 mmol of SF6CH=CF2 and 11.5 mmol of Brz and then placed in a 110 OC oven for 24 h. The cylinder was cooled to room temperature and the volatile material condensed onto Hg contained in a 50-mL Pyrex reador to remove ...