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. 2010 Sep 4;66(Pt 10):o496–o498. doi: 10.1107/S0108270110034001

Table 1. Cremer–Pople puckering parameters for (I) and (II) .

Compound θ (°) ϕ (°) Q (Å) q2 (Å) q3 (Å)
(I) 7.16 (13) 9.5 (11) 0.5775 (14) 0.0726 (13) 0.5730 (14)
(II) 8.0 (3) 319 (2) 0.580 (3) 0.080 (3) 0.575 (3)