It is quite common for a solid to change from one structure to another at a temperature below its melting point. For example, sulfur undergoes a phase change from the rhombic crystal structure to the monoclinic crystal form at temperatures above 95C. Which form of sulfur has the more ordered crystalline structure (has the smaller positional probability)?
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It is quite common for a solid to change from one structure to another at a temperature below its me...
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