There are smaller consistent, but barely significant, differences with the N1—C9 and N1—C2 average bond lengths being longer (0.11 (5) Å) and shorter (0.08 (5) °) than found here.
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There are smaller consistent, but barely significant, differences with the N1—C9 and N1—C2 average bond lengths being longer (0.11 (5) Å) and shorter (0.08 (5) °) than found here.