DOE OSTI · 1617930
Acridine form IX
Abstract
We report a new polymorph of acridine, C 13 H 9 N, denoted form IX, obtained as thin needles by slow evaporation of a toluene solution. The structure was solved and refined from powder X-ray data. The structures of five unsolvated forms were previously known, but this is only the second with one molecule in the asymmetric unit. The melting point [differential scanning calorimetry (DSC) onset] and heat of fusion are 108.8 (3) °C and 19.2 (4) kJ mol −1 , respectively.
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Stephens, Peter W. (ORCID:0000000283117305), Schur, Einat, Lapidus, Saul H., Bernstein, Joel. 2019-03-26. Acridine form IX. https://doi.org/10.1107/s2056989019003645
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