In this study, a new monoclinic polymorph (space group 2/) of 2,2'-methyl-enebis(isoindoline-1,3-dione), CHNO, is reported and compared to the previously reported triclinic polymorph (space group ). Similarly, both polymorphs consist of a unique mol-ecule in the asymmetric unit (' = 1). The mol-ecular conformations of the two polymorphs are very similar, as shown by the r.m.s. deviation of 0.368 Å (excluding all H atoms). The inter-molecular inter-actions of both polymorphs are described along with the Hirshfeld surface analysis, and the lattice energies are calculated.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6323873 | PMC |
| http://dx.doi.org/10.1107/S2056989018017425 | DOI Listing |
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