Ruthenium chloride - encarthenium

Japanese: 塩化ルテニウム - エンカルテニウム
Ruthenium chloride - encarthenium
This usually refers to ruthenium(III) salts.
[Ruthenium(III) chloride]
The chemical formula is RuCl 3 . The anhydrates are known to be α- and β-types, and the hydrates are known to be monohydrate and trihydrate. Commercially available RuCl 3 ・3H 2 O trihydrate has a composition close to that of the trihydrate. The β-type is a dark brown hair-like powder that dissolves in ethyl alcohol. It changes to the α-type at 450°C in chlorine. The α-type is a black leaf-like crystal that is insoluble in water and ethyl alcohol. The monohydrate is a black brown plate-like crystal that dissolves in water. The trihydrate is actually a regular octahedral complex called trichlorotriaquaruthenium(III) [RuCl 3 (H 2 O) 3 ], and there are two geometric isomers, mer and fac (see figure).

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
通常はルテニウム(III)塩のことをいう。
[塩化ルテニウム(III)]
 化学式RuCl3。無水和物にα型とβ型が知られ,水和物に1水和物と3水和物が知られている。市販のものは3水和物RuCl3・3H2Oに近い組成を示す。β型は暗褐色の毛状粉末で,エチルアルコールに溶ける。塩素中450℃でα型に変化する。α型は黒色葉状の結晶で,水,エチルアルコールに溶けない。1水和物は黒褐色板状の結晶で水に溶ける。3水和物は実際にはトリクロロトリアクアルテニウム(III)[RuCl3(H2O)3]という正八面体錯体であり,mer形とfac形の幾何異性体が存在する(図参照)。

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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