The structure of -methyl-'-(pyridin-2-yl)benzene-1,2-di-amine, CHN, at 123 K has ortho-rhom-bic (2) symmetry. The title compound displays an unexpected proton-splitting pattern when studied by H NMR spectroscopy. The X-ray crystallography analysis determined this to be caused by strong dual N-H⋯N hydrogen bonding.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9535833 | PMC |
| http://dx.doi.org/10.1107/S2056989022009173 | DOI Listing |
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