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CD Spectra of solid-state samples. Chirality 2000;12:269–277. 26. Hutin M, Cramer CJ, Gagliardi L, Shahi ARM, Bernardinelli G, Cerny R, Nitschke JR. Self-sorting chiral subcomponent rearrangement dur￾ing crystallization. J Am Chem Soc 2007;129:8774–8780. 27. Rogers D. Some fundamental problems of relating tensorial properties to the chirality or polarity of crystals. In: Ramaseshan S, Abrahams SC, edi￾tors. Anomalous scattering. Copenhagen: Munksgaard; 1975. p 231–250. 28. Sheldrick GM. SHELXL93/97. Program for the refinement of crystal structures. (1993/1997). University of Go¨ttingen, Germany. 29. Clegg W. Some guidelines for publishing SHELXL-generated CIF results in Acta Crystallographica. Acta Cryst E 2003;59:e2–e5. 30. Hall SR, McMahon B, editors. International tables for crystallography, volume G: Definition and exchange of crystallographic data. Dor￾drecht: International Union of Crystallography and Kluwer Academic Publishers; 2006. 31. Harlow RL. Troublesome crystal structures: Prevention, detection, and resolution. J Res NIST 1996;101:327–339. 32. checkCIF/PLATON service of the International Union of Crystallography. Available at http://journals.iucr.org/services/cif/checking/checkform. html. 33. Spek AL. Single-crystal structure validation with the program PLA￾TON. J Appl Cryst 2003;36:7–13. 34. Kuchta MC, Parkin G. Incorrect atom connectivity in X-ray structure solutions associated with a ‘partial polar ambiguity’: a non-macrocyclic structure for the macrocyclic lead complex, [h4 -Me8taa]Pb. New J Chem 1998;22:523–530. 35. Ku¨ndig EP, Bernardinelli G, Kondratenko M, Robieux F, Roma￾nens P. New chromium enolates. Helv Chim Acta 2003;86:4169– 4184. 36. Mu¨ller P, Riegert D, Bernardinelli G. Desymmetrization of N-sulfo￾nated aziridines by alkyllithium reagents in the presence of chiral ligands. Helv Chim Acta 2004;87:227–239. 37. Mu¨ller P, Nury P. Desymmetrization of meso-N-sulfonylaziridines with chiral nonracemic nucleophiles and bases. Helv Chim Acta 2001;84:662–677. 38. Janovec V. Group analysis of domains and domain pairs. Czech J Phys B 1972;22:974–994. 39. Flack HD. The derivation of twin laws for (pseudo-)merohedry by coset decomposition. Acta Cryst A 1987;43:564–568. 40. Herbst-Irmer R, Sheldrick GM. Refinement of twinned structures with SHELXL97. Acta Cryst B 1998;54:443–449. 41. Le Page Y, Gabe EJ, Gainsford GJ. A robust alternative to [eta] refine￾ment for assessing the hand of chiral compounds. J Appl Cryst 1990; 23:406–411. 42. Parsons S. Contribution E0043 to the American Crystallographic Asso￾ciation Meeting, San Antonio, Texas, 25th–30th May 2002. 690 FLACK AND BERNARDINELLI Chirality DOI 10.1002/chir