Lanthanum monosulfide is a binary inorganic chemical compound of lanthanum metal and sulfur with the chemical formula .
Synthesis.
Lanthanum monosulfide can be prepared from the effect of sulfur vapor on metallic lanthanum:
It can also be prepared from the reduction of with metallic La.
Physical properties.
Lanthanum monosulfide forms golden crystals of the cubic system, space group "Fm"3"m", cell parameters a = 0.586 nm, Z = 4, structurally isomorphous with NaCl.
References.
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