Bis(n-heptylammonium)tetrachloromanganate

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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
solid,1 bar772.9J/mol*KN/AWhite, Davies, et al., 1983 

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
653.0298.15White, Davies, et al., 1983T = 10 to 325 K.

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
16.930247.95crystaline, IIIcrystaline, IIWhite, Davies, et al., 1983 
10.197313.8crystaline, IIcrystaline, IWhite, Davies, et al., 1983 

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
68.2247.95crystaline, IIIcrystaline, IIWhite, Davies, et al., 1983 
32.5313.8crystaline, IIcrystaline, IWhite, Davies, et al., 1983 

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

White, Davies, et al., 1983
White, M.A.; Davies, N.J.; Staveley, L.A.K., Polymorphism in bis(n-heptylammonium) tetrachloromanganate and -cadmate as determined by heat-capacity measurements from 10 to 325 K, J. Chem. Soc., Faraday Trans., 1983, 2 79, 1653-1661. [all data]


Notes

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