2,9-Dichloro-1,10-phenanthroline

2,9-Dichloro-1,10-phenanthroline is used in organic building blocks and general reagents.

2,9-Dichloro-1,10-phenanthroline, C12H6Cl2N2, is almost planar (the r.m.s. deviation of C atoms is 0.04 Å). The C—N and C—C distances indicate the delocalization of the π-electrons in the aromatic fused-ring system.

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