Thermodynamics of divalent-metal fluorides VI. Heat capacity and thermodynamic properties of the fast-ion conductor CaSn2F6 at temperatures from 6 K to 310 K
dc.contributor.author | Callanan, Jane E. | en_US |
dc.contributor.author | Weir, Ron D. | en_US |
dc.contributor.author | Westrum, Jr. , Edgar F. | en_US |
dc.date.accessioned | 2006-04-10T15:54:13Z | |
dc.date.available | 2006-04-10T15:54:13Z | |
dc.date.issued | 1993-02 | en_US |
dc.identifier.citation | Callanan, Jane E., Weir, Ron D., Westrum, Jr., Edgar F. (1993/02)."Thermodynamics of divalent-metal fluorides VI. Heat capacity and thermodynamic properties of the fast-ion conductor CaSn2F6 at temperatures from 6 K to 310 K." The Journal of Chemical Thermodynamics 25(2): 209-218. <http://hdl.handle.net/2027.42/30989> | en_US |
dc.identifier.uri | http://www.sciencedirect.com/science/article/B6WHM-45TDJK1-1D/2/19c3e4612d80ec01ae51ca017df25a5e | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/30989 | |
dc.description.abstract | The molar heat capacity Cp. m of calcium hexafluorostannate CaSn2F6 was measured at temperatures T from 6 K to 310 K by adiabatic calorimetry. Reproducible heat capacities were obtained only after cooling the sample twice to T T [approximate] 140 K, where a small anomaly appears. Above T [approximate] 150 K, the curve resumes its smooth path. The anomaly, whose source is unknown, is centred at T [approximate] 143 K. The greatest difference of the curve from that defined by the curve of the lattice vibrations is 0.01[middle dot]Cp. m, which lies outside the error in the measurements. The excess molar enthalpy associated with the anomaly amounts to [Delta]150 K135 KHom = (1.3+/-0.3)[middle dot]R[middle dot]K (R = 8.31451 J[middle dot]K-1[middle dot]mol-3), while the excess entropy is zero within the experimental error of the measurements. Smoothed values of the standard thermodynamic quantities for pure CaSn2F6 are tabulated up to T = 310 K and Som(298.15 K) = (33.16+/-0.03)[middle dot]R. | en_US |
dc.format.extent | 279582 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Elsevier | en_US |
dc.title | Thermodynamics of divalent-metal fluorides VI. Heat capacity and thermodynamic properties of the fast-ion conductor CaSn2F6 at temperatures from 6 K to 310 K | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Materials Science and Engineering | en_US |
dc.subject.hlbsecondlevel | Chemistry | en_US |
dc.subject.hlbsecondlevel | Chemical Engineering | en_US |
dc.subject.hlbsecondlevel | Biological Chemistry | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Chemistry, University of Michigan, Ann Arbor, MI 48109-1055, U.S.A. | en_US |
dc.contributor.affiliationother | Callanan Associates, 2888 Bluff, Suit 429, Boulder, Co 80301, U.S.A. | en_US |
dc.contributor.affiliationother | Department of Chemistry and Chemical Engineering, Royal Military College of Canada, Kingston, Ontario K7K 5LO, Canada | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/30989/1/0000664.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1006/jcht.1993.1020 | en_US |
dc.identifier.source | The Journal of Chemical Thermodynamics | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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