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short communications
The power data for the compound bis(1,10-phenanthroline)–hydrochloric acid dihydrate are reported. It is monoclinic, Pb or P2/b, with a = 12.27 (3), b = 26.20 (8), c = 3.716 (7) Å, β = 115.6 (2)°, u = 1078 Å3. Z = 2, Dm = 1.33, Dc = 1.31 Mg m−3.