Thermolysis of complex cyanides,XV |
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Authors: | A Horváth B Mohai F Miko |
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Institution: | (1) Department of General and Inorganic Chemistry, University of Industrial Chemistry, Veszprém, Hungary |
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Abstract: | The thermal decompositions of K2Fe(CN)4
L]·4 H2O, H2Fe(CN)4
L] and HFe(CN)L](L=1,1 -bipyridine, of 1,10-phenanthroline) were studied. The experimental results showed that the protonated ferrous complexes decompose with formation of HCN at lower temperature than the corresponding potassium salts. The decomposition of K2Fe(CN)4
L] starts by removal of the ligand L. HCN elimination is followed by a redox reaction with formation of cyanogen in the case of HFeIII(CN)4
L].
Zusammenfassung Die thermische Zersetzung von K2 Fe(CN)4
Z]·4H2O, H2Fe(CN)4
L] und HFe(CN)4
L] (L=1,1'-Dipyridin, 1,10-Phenantrolin) wurde untersucht. Die Versuchsergebnisse zeigten, dass die protonierten Ferrokomplexe unter Bildung von HCN bei niedrigeren Temperaturen zersetzt werden, als die entsprechenden Kaliumsalze. Die Zersetzung von K2 Fe(CN)4
L] beginnt durch die Abspaltung des LigandenL. Nach Eliminierung des HCN folgt eine Redox-Reaktion unter Bildung von Dizyan im Falle von HFeIII(CN)4
Z].
![Rcy](/content/x1613463224n7632/xxlarge1056.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![zcy](/content/x1613463224n7632/xxlarge1079.gif) ![yucy](/content/x1613463224n7632/xxlarge1102.gif) ![mcy](/content/x1613463224n7632/xxlarge1084.gif) ![Icy](/content/x1613463224n7632/xxlarge1048.gif) ![zcy](/content/x1613463224n7632/xxlarge1079.gif) ![ucy](/content/x1613463224n7632/xxlarge1091.gif) ![chcy](/content/x1613463224n7632/xxlarge1095.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![mcy](/content/x1613463224n7632/xxlarge1084.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![chcy](/content/x1613463224n7632/xxlarge1095.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![kcy](/content/x1613463224n7632/xxlarge1082.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![zcy](/content/x1613463224n7632/xxlarge1079.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![zhcy](/content/x1613463224n7632/xxlarge1078.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) K2Fe(CN)4
L]·4 2 , H2Fe(CN)4
L] HFe(CN)4
L] ![gcy](/content/x1613463224n7632/xxlarge1075.gif) ![dcy](/content/x1613463224n7632/xxlarge1076.gif) L=1,1 -![bcy](/content/x1613463224n7632/xxlarge1073.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![pcy](/content/x1613463224n7632/xxlarge1087.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![dcy](/content/x1613463224n7632/xxlarge1076.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) 1.10-![fcy](/content/x1613463224n7632/xxlarge1092.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) 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![icy](/content/x1613463224n7632/xxlarge1080.gif) K2Fe(CN)4
L] ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![chcy](/content/x1613463224n7632/xxlarge1095.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![shchcy](/content/x1613463224n7632/xxlarge1097.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![pcy](/content/x1613463224n7632/xxlarge1087.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![gcy](/content/x1613463224n7632/xxlarge1075.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![dcy](/content/x1613463224n7632/xxlarge1076.gif) L. ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![ucy](/content/x1613463224n7632/xxlarge1091.gif) ![chcy](/content/x1613463224n7632/xxlarge1095.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) HFe111(CN)4
L] ![vcy](/content/x1613463224n7632/xxlarge1074.gif) ![ycy](/content/x1613463224n7632/xxlarge1099.gif) ![dcy](/content/x1613463224n7632/xxlarge1076.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) HCN ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![pcy](/content/x1613463224n7632/xxlarge1087.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![vcy](/content/x1613463224n7632/xxlarge1074.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![zhcy](/content/x1613463224n7632/xxlarge1078.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![kcy](/content/x1613463224n7632/xxlarge1082.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![softcy](/content/x1613463224n7632/xxlarge1100.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) -![vcy](/content/x1613463224n7632/xxlarge1074.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![scy](/content/x1613463224n7632/xxlarge1089.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![vcy](/content/x1613463224n7632/xxlarge1074.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![tcy](/content/x1613463224n7632/xxlarge1090.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![lcy](/content/x1613463224n7632/xxlarge1083.gif) ![softcy](/content/x1613463224n7632/xxlarge1100.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![kcy](/content/x1613463224n7632/xxlarge1082.gif) ![tscy](/content/x1613463224n7632/xxlarge1094.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![bcy](/content/x1613463224n7632/xxlarge1073.gif) ![rcy](/content/x1613463224n7632/xxlarge1088.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![zcy](/content/x1613463224n7632/xxlarge1079.gif) ![ocy](/content/x1613463224n7632/xxlarge1086.gif) ![vcy](/content/x1613463224n7632/xxlarge1074.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![iecy](/content/x1613463224n7632/xxlarge1077.gif) ![tscy](/content/x1613463224n7632/xxlarge1094.gif) ![icy](/content/x1613463224n7632/xxlarge1080.gif) ![acy](/content/x1613463224n7632/xxlarge1072.gif) ![ncy](/content/x1613463224n7632/xxlarge1085.gif) .
XIV. A. Hantshmann, J. Salvetter, H. Hennig and B. Mohai, Thermochim. Acta. 25 (1978) 341 The authors thank I. Ötvös for mass-spectroscopic investigations, and Mrs. Csukás, Mrs. Csiszár and Mrs. Haeffner for experimental assistance. |
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