Tautomerism troubles: proton transfer modifies the stereochemical assignments in diastereoisomeric structures of spiro­cyclic 5-methyl-2H-imidazol-4-amine dimers

Blade, H.; Horton, P.N.; Morrison, J.A.; Orton, J.B.; Sullivan, R.A.; Coles, S.J.

doi:10.1107/S205698902100668X

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 6
The 3D residual electron difference maps from the refinements of 1 and 2. The green wireframe is drawn at a threshold of >0.4 electrons /Å⁻³.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 77| Part 12| December 2021| Pages 1311-1315

https://doi.org/10.1107/S205698902100668X

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