The (1RS,2RS,7RS,8RS)- and (1RS,2SR,7SR,8RS)-diastereoisomers of 8,9,11,12-tetra­chloro-N-ethyl­tricyclo­[6.2.2.02,7]dodeca-9,11-diene-1,10-dicarboximide

Grimley, F.M.; O'Donnell, C.; Pratt, A.C.; Long, C.; Howie, R.A.

doi:10.1107/S0108270105010218

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
A layer of molecules of (II)

. Displacement ellipsoids are drawn at the 20% probability level and H atoms involved in C—H⋯O and C—H⋯Cl contacts (dashed lines) are shown as small circles of arbitrary radii. Selected atoms are labelled. [Symmetry codes: (ii) −x, −y + 1, −z; (iii) −x + 1, y − $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (iv) −x + 1, y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (vii) x + 1, −y + $[{1\over 2}]$ , z + $[{1\over 2}]$ ; (viii) x + 1, −y + $[{3\over 2}]$ , z + $[{1\over 2}]$ ; (ix) −x + 2, −y + 1, −z + 1.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 6| May 2005| Pages o369-o372

doi:10.1107/S0108270105010218

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