Syugo Huzisawa, Kazuya Saito, I. Ikemoto
Jun 1, 1999
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Influential Citations
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Journal
Journal of Physics and Chemistry of Solids
Abstract
Abstract Heat capacity of a zone-refined sample of bis(4-chlorophenyl)methanone was measured by adiabatic calorimetry. Anomalies caused by the successive first-order incommensurate phase transitions were observed as rather sharp peaks at 188.3 and 192.8 K, between which the crystal is known to be incommensurate. Thermodynamic quantities of the transitions were determined and compared with those of other molecular crystals showing incommensurate phases. Molar thermodynamic functions are tabulated.