Inter-molecular hydrogen bonding in N-methyl- N'-(pyridin-2-yl)benzene-1,2-di-amine
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The structure of N-methyl-N'-(pyridin-2-yl)benzene-1,2-di-amine, C12H13N3, at 123 K has ortho-rhom-bic (Pna21) symmetry. The title compound displays an unexpected proton-splitting pattern when studied by 1H NMR spectroscopy. The X-ray crystallography analysis ... ...
