Salts containing iridium with oxidation states 3 and 4 and a regular octahedral hexachloroiridate ion in which six chloride ions are coordinated are known. [Hexachloroiridate(III)] The chemical formula is M I 3 [IrCl 6 ] (M I is a monovalent cation). It is obtained by reducing an aqueous solution or solid of M I 2 [IrCl 6 ]. It appears as olive green, greenish red, brown or black crystals. The potassium and ammonium salts are quite soluble in water, but the rubidium and cesium salts are only slightly soluble. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
酸化数3および4のイリジウムに,塩化物イオンが6個配位した正八面体形のヘキサクロロイリジウム酸イオンを含む塩が知られている。 [ヘキサクロロイリジウム(III)酸塩] 化学式MI3[IrCl6](MIは1価陽イオン)。MI2[IrCl6]の水溶液,固体を還元して得られる。オリーブ緑色,緑がかった赤色,褐色ないし黒色の結晶で,カリウム塩,アンモニウム塩はかなり水に溶けるが,ルビジウム塩,セシウム塩はわずかしか溶けない。 出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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