Carbon Tetrachloride: A New Crystalline Modification

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Science  25 Nov 1966:
Vol. 154, Issue 3752, pp. 1009-1012
DOI: 10.1126/science.154.3752.1009


X-ray and optical studies of single crystals of carbon tetrachloride have established the existence of a previously unreported rhombohedral modification stable between the melting point and the transition temperature. The discovery of this phase emphasizes the need for a careful reinterpretation of available measurements of the thermal properties of solid carbon tetrachloride.