Two polymorphs of a beta-lactam (trans-13-azabicyclo[10.2.0]tetradecan-14-one). Concomitant crystal polymorphism and isostructurality |
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| Authors: | Fábián László Kálmán Alajos Argay Gyula Bernáth Gábor Gyarmati Zsuzsanna Cs |
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| Institution: | Institute of Structural Chemistry, Chemical Research Center, Hungarian Academy of Sciences, PO Box 17, Budapest 114, H-1525, Hungary. |
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| Abstract: | Two polymorphs of trans-13-azabicyclo10.2.0]tetradecan-14-one display a unique example of isostructurality, differing only in the orientation of a given hydrogen bond with respect to the beta-lactam bond. This slight difference can be attributed to the twofold rotation of the carbocyclic macroring of C2 symmetry, which in the crystal structure is hardly noticeable. |
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