This article is cited in 2 papers

X-ray diffraction study of DL-1,4-dimethyl-2,5-dioxabicyclo[2.2.1]heptane-3,6-dione: the sense of twist and folding

I. V. Vystorop^a, K. A. Lyssenko^b, R. G. Kostyanovsky<sup>c

a</sup> Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation
^b A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation
^c N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russian Federation

Abstract: The title dilactone exists in a crystalline state (110 K) as enantiomeric synchro-(+,+)-(R,R)- and synchro-(−,−)-(S,S)-twist forms (τ₀ = |1.8°|) with the retention of C₂ symmetry, linked by infinite zig-zag heterochiral chains (space group C2/c) by mutual H-bonds of the CH₂–H⋯O=C type.

Language: English

DOI: 10.1070/MC2001v011n02ABEH001421

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