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Atom numbering scheme for 22, hydrogen atoms not labelled for clarity. Less populated fluorine atoms in disordered part of –CF3 shown as small, disconnected balls. Selected bond lengths [Å] and angles [°]: S1-O1 1.438(2), S1-O2 1.430(2), S1-N1 1.649(3), S1 C1 1.775(2), N1-C16 1.400(4), C16-O3 1.211(4), S2-C2 1.787(3), S2-C8 1.836(3); O1-S1-O2 119.3(1), O1-S1-N1 109.0(1), O2-S1-N1 105.0(1), C2-S2-C8 103.4(1), S1-N1-C16 124.6(2), N1-C16-C17 114.4(3), S2-C8-C9 114.1(2).
