Thermal ellipsoid plot (50% probability) of the cation
of 9f·Et2O along with the labeling scheme.
The
solvent molecule and the hydrogen atoms bonded to carbon have been
omitted for clarity. Selected bond lengths (Å) and angles (deg):
N(1)–C(8) = 1.5209(19), C(11)–C(12) = 1.522(2), C(11)–C(14)
= 1.557(2), C(14)–O(4) = 1.4423(18), C(17)–O(3) = 1.2010(19),
C(17)–O(4) = 1.3514(19), C(16)–C(17) = 1.499(2); C(1)–C(11)–C(12)
= 107.19(12), C(11)–C(14)–O(4) = 109.88(12), C(14)–O(4)–C(17)
= 111.86(11), O(4)–C(17)–C(16) = 111.77(13), C(17)–C(16)–C(15)
= 104.53(12), C(16)–C(15)–C(14) = 104.02(12), C(15)–C(14)–O(4)
= 106.07(11).