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Dark‐red air‐stable crystals of Ir8Se28Br14·2H2O were obtained by reacting iridium in an excess of selenium and selenium tetrabromide at 300 °C for one week. The crystal structure is monoclinic (space group P21/n) with a = 1274.66(3) pm, b = 1211.48(3) pm, c = 1743.82(4) pm, and β = 91.227(1)° at 296(1) K. The structure consists of uncharged clusters Ir8Se28Br14 = (Ir3+)8(Se22–)(Se42–)6(SeBr2)2(Br...
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