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DOI: 10.1039/A906674H (Paper) Reference Section for: Phys. Chem. Chem. Phys., 1999, 1, 5011-5016

Heats of solution/substitution in TlNO3 and RbNO3 crystals from heats of transition. The complete phase diagram of the TlNO3–RbNO3 system

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E. A. Secco and Richard A. Secco

Abstract

From measurements of the decrease in the heat (enthalpy) of transition in the solid phase by differential scanning calorimetry, the partial molar heats of solution at infinite dilution, χ, and the heats of solution or substitution, ΔHs°, of Tl+ in RbNO3 crystal and Rb+ in TlNO3 crystal along with their recovered lattice energies, ΔHL°, are reported. The complete phase diagram of the TlNO3–RbNO3 system with details of the sub-solidus regions is reported. The properties of a “mixed crystal’' or “crystalline solid solution’' of Tl(1-x)RbxNO3, viz., structure, transition temperatures, melting temperature, etc., are presented and discussed.

References

  1. D. S. McClure, in Treatise on Solid State Chemistry, ed. N. B. Hannay, Plenum Press, New York, 1975, vol. 2, pp. 5–17 Search PubMed.
  2. A. K. Shukla, J. C. Ahluwalia and C. N. R. Rao, J. Chem. Soc., Faraday Trans. 1, 1976, 72, 1288 RSC.
  3. P.-N. Huang and E. A. Secco, J. Solid State Chem., 1998, 103, 314 CrossRef.
  4. E. A. Secco and A. Sharma, J. Phys. Chem. Solids, 1995, 56, 251 CrossRef CAS.
  5. E. A. Secco, J. Phys. Chem. B, 1997, 101, 1641 CrossRef CAS.
  6. N. N. Greenwood and A. Earnshaw, in Chemistry of the Elements, Pergamon Press, New York, 1984, p. 272 Search PubMed.
  7. R. D. Shannon, Acta Crystallogr., Sect. A, 1976, 32, 751 CrossRef.
  8. E. Rapoport and C. W. F. T. Pistorius, J. Chem. Phys., 1966, 44, 1514 CAS.
  9. C. N. R. Rao and K. J. Rao, in Phase Transitions in Solids, McGraw-Hill, New York, 1978, p. 21 Search PubMed.
  10. E. A. Secco, Thermochim. Acta, in the press Search PubMed.
  11. R. A. Secco, E. A. Secco and Q. Chen, J. Solid State Chem., 1998, 141, 462 CrossRef CAS.
  12. H. Weijina and J. Arends, Phys. Status Solidi, 1969, 35, 205 Search PubMed.
  13. A. F. Kapustinskii, Q. Rev. Chem. Soc., 1956, 20, 203 Search PubMed.
  14. A. Cingolani, G. Berchiesi and P. Franzosini, Gazz. Chim. Ital., 1971, 101, 981 CAS.
  15. Selected Values of Chemical Thermodynamic Properties, NBS Circular 500, National Bureau of Standards, Gaithersburg, 1952 Search PubMed.
  16. W. Eysel and K.-H. Breuer, in Techscan, E. I. DuPont, Wilmington, DE, vol. 2, 1982 Search PubMed.
  17. J. Pohl, D. Pohl and G. Adiwidjaja, Acta Crystallogr., Sect. B, 1992, 48, 160 CrossRef.
  18. P. C. Dawson, E. A. Secco and W. M. Oxner, Can. J. Chem., 1989, 67, 1468 CAS.
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