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Cerium monosulfide

Chemical compound From Wikipedia, the free encyclopedia

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Cerium monosulfide is a binary inorganic compound of cerium and sulfur with the chemical formula CeS.[1][2][3][4] This is the simplest of cerium sulfides.

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Synthesis

Ce2S3 + CeH2 → 3CeS + H2
Ce + S → CeS

Physical properties

Cerium sulfide forms golden cubic crystals, with space group Fm3m and lattice parameter a = 5.763 Å. It has a NaCl-type structure.[7]

The compound melts congruently at a temperature of 2450 °C, the highest out of any known sulfide.[6]

Chemical properties

Cerium monosulfide has a wetting effect on metals, and it is relatively stable to metals other than platinum. It can react violently with platinum to form an intermetallic compound, platinum cerium.[5]

References

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