Thermochemical bond energies and chlorine-35 nuclear quadrupole resonance spectra of hexachlorogermanate(2-), hexachlorostannate(2-), and hexachloroplumbate(2-) ions

Welsh, W. A.; Brill, T. B.; Thompson, P. Travis; Wood, Robert H.; Gearhart, Richard C.

doi:10.1021/ic50138a002

Cited by 15 publications

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References 26 publications

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“…The ~ values determined from Eq. (3), decomposition 1370 [5] -i482 [6] 1363 [7] aDetermined from dynamic (D) and quasi isothermal-isobaric (Q) thermoanalytical curves, bderived from Eqs (3), Cfrom literature, devaluated from Eq. (4) and (5) temperatures and temperatures of the onset of decomposition (To.01) are listed in Table 1.…”

Section: Resultsmentioning

confidence: 99%

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Thermal analysis and thermochemistry of alkali metal hexachlorostannates

Janiak

Nikel

Błażejowski

1990

Journal of Thermal Analysis

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The thermal behaviour of alkali metal hexachlorostannates of general formula A2SnCI6 (,4 = Li, Na, K, Cs, Rb) has been studied by thermoanalytical methods (dynamic TG, DTG and DTA, and Q-TG). The compounds decompose upon heating with total (A = Li, Na) or partial (A = K, Rb, Cs) release of SnCI4 molecules to the gaseous phase. The enthalpies of the decomposition process have been evaluated on the basis of the Van't Hoff equation and using dynamic TG curves. The thermochemistry of the compounds was thoroughly examined particularly, with regard to the enthalpies of formation and crystal lattice energies, as well as enthalpy changes characterizing the dissociation process. These data revealed that stability of the compounds markedly increase with an increase in the size of alkali metal cation.

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Section: Resultsmentioning

confidence: 99%

“…Many of their properties have been studied in the past [2]. However, knowledge of the thermochemistry of these derivatives is still incomplete [3][4][5][6][7][8][9]. The present work is devoted to the latter problem.…”

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confidence: 99%