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Thermal properties of solid nickel(II) coordination compounds

Part A: The stoichiometry of thermal decomposition

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Abstract

The paper deals with the chemical and physical factors influencing the stoichiometry of thermal decomposition of solid coordination compounds. Nickel(II) coordination compounds were used as examples: the problem of the relationship between the structure of the initial compound (and of its intermediates) and the stoichiometry of thermal decomposition is discussed; experimental conditions are shown to affect this decomposition, and the conceptions of the apparent and real stoichiometries of thermal decomposition are discussed. The results obtained may have a more general meaning.

Résumé

L'article considère les facteurs chimiques et physiques qui influencent la st∄chiométrie des réactions de décomposition thermique des composés de coordination solides. Les composés de coordination du nickel(II) ont été choisis pour illustrer le problème des relations entre la structure du composé initial (et de ses intermédiaires) et la st∄chiométrie de la réaction de décomposition thermique. On montre que les conditions expérimentales influencent la décomposition et on discute le principe des réactions st∄chiométriques de décomposition thermique dites «apparentes» et «réelles». Les résultats obtenus sont probablement de portée plus générale.

Zusammenfassung

Der Beitrag befa\t sich mit den chemischen und physikalischen Faktoren, welche die Stöchiometrie der thermischen Zersetzung fester Koordinationsverbindungen beeinflussen. Koordinationsverbindungen von Nickel(II) wurden als Beispiel eingesetzt; das Problem des Zusammenhanges zwischen Struktur der Ausgangsverbindung (und seiner IntermediÄrprodukte) und der Stöchiometrie der thermischen Zersetzung wird erörtert; die die Zersetzung beeinflussenden Versuchsbedingungen werden gezeigt und das Konzept der sogenannten scheinbaren und tatsÄchlichen Stöchiometrie der thermischen Zersetzung wird beschrieben. Die erhaltenen Ergebnisse dürften von allgemeinerer Bedeutung sein.

РЕжУМЕ

В стАтьЕ РАссМАтРИВА Утсь хИМИЧЕскИЕ И ФИжИЧЕскИЕ ФАктОРы, ж АтРАгИВАУЩИЕ стЕхИОМЕтРИУ тЕРМИЧ ЕскОгО РАжлОжЕНИь тВ ЕРДых кООРДИНАцИОННых сОЕ ДИНЕНИИ. НА пРИ$ МЕРЕ кООРДИНАцИОННы х сОЕДИНЕНИИ НИкЕль(II) БылА ОБсУжДЕНА ВжАИМОсВь жь МЕжДУ стРУк$ тУРОИ НАЧАльНОгО сОЕ ДИНЕНИь (И ЕгО пРОМЕжУ тОЧНых пРОДУктОВ) И стЕхИОМЕ тРИЕИ тЕРМИ$ ЧЕскОгО РАжлОжЕНИь. п ОкАжАНы ЁкспЕРИМЕНт АльНыЕ УслОВИь, жАтРАгИВАУЩ ИЕ ЁтО РАжлО$ жЕНИЕ, И ОБсУжДЕНА кОН цЕпцИь тАк НАжыВАЕМО И кАжУЩЕИсь И ИстИННОИ стЕхИОМЕт РИИ тЕРМИ$ ЧЕскОгО РАжлОжЕНИь. п ОлУЧЕННыЕ РЕжУльтАт ы МОгУт ИМЕть БОлЕЕ ОБЩЕЕ жНА ЧЕНИЕ.

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Reported at the 7th Seminar on Modern Methods in Inorganic Chemistry. Harmonia-Bratislava, 1977.

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Jóna, E., šramko, T. & GaŽo, J. Thermal properties of solid nickel(II) coordination compounds. Journal of Thermal Analysis 16, 213–229 (1979). https://doi.org/10.1007/BF01909649

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  • DOI: https://doi.org/10.1007/BF01909649

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