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C36H58N2O6, Mr=614.84, triclinic, Pl, a=8.730(2), b=9.560(4), c=11.320(5)A, α=68.43(3), β=89.18(3), r=86.51(3), V=877.2A3, 2=1, Dc=1.16 gcm-3, λ(MoKα)=0.7017A, μ=0.84cm-1, full matrix least-squares refinement; final R=0.080, Rw=0.050 for 1713 (I>3σ) unique reflections. The crystal is composed of discrete molecules having an approximate centre of symmetry and the nolecular packing in the crystal is determined solely by van der Walls forces. The six non-carbon atoms in the 28- membered ring are approximately coplanar. The distances of O(32)...O(42) and O(31)...O(41) are 8.718and 6.954A,and that for N(31)...N(41) 10.976A. ’ ’
(3), β = 89.18 (3), r = 86.51 (3) C36H58N2O6, Mr = 614.84, triclinic, Pl, a = 8.730 2, b = 9.560 4, c = 11.320 5, Final R = 0.080, Rw = 0.050 for V = 877.2A3, 2 = 1, Dc = 1.16 gcm-3, λ (MoKα) = 0.7017A, μ = 0.84cm-1 The crystal is composed of discrete molecules having an approximate center of symmetry and the same. The six is non-carbon atoms in the 28-membered ring (I> 3σ) the distances of O (32) ... O (42) and O (31) ... O (41) are 8.718 and 6.954A, and that for N (31) ... N (41) 10.976A. ’’