Fig. 2. ORTEP views of TAP3a (right: side view, left: top view). Alkyl chains and counterion PF6− omitted for clarity. Ellipsoids drawn at 50% probability. Selected bond lengths (Å): N(1)–C(1) 1.365(7), N(1)–C(12) 1.322(8), N(2)–C(6) 1.379(8), N(2)–C(7) 1.367(7), N(3)–C(3) 1.368(8), N(4)–C(4) 1.417(7), N(5)–C(9) 1.334(8), C(1)–C(2) 1.412(9), C(1)–C(6) 1.420(8), C(2)–C(3) 1.374(8), C(3)–C(4) 1.444(9), C(4)–C(5) 1.372(9), C(5)–C(6) 1.404(7), C(7)–C(8) 1.405(9), C(7)–C(12) 1.450(8), C(8)–C(9) 1.392(8), C(9)–C(10) 1.432(9), C(10)–C(11) 1.351(9), C(11)–C(12) 1.416(8).
