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Mercury

Mercury is a binary inorganic compound of holmium and mercury with the formula HoHg, crystals.

Mercury
General
Systematic
name
Mercury
Traditional namesHolmiyrtut; amalgam holmium
Chem. formulaHohg
Rat formulaHgho
Physical properties
conditioncrystals
Molar mass365.52 g / mol
Density12.5 g / cm³
Thermal properties
T. decomp.600 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances:
Ho+Hg→600oCHoHg{\ displaystyle {\ mathsf {Ho + Hg \ {\ xrightarrow {600 ^ {o} C}} \ HoHg}}}  

Physical Properties

Mercury forms crystals of cubic syngony , space group P m 3 m , cell parameters a = 0.364 nm, Z = 1, structure type cesium chloride CsCl [1] [2] [3] .

The compound is formed by a peritectic reaction at a temperature of 600 ° C [1] or melts congruently at a temperature of ≈1200 ° C [2] .

Notes

  1. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
  2. ↑ 1 2 B. Predel. Hg-Ho (Mercury-Holmium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1-2 . - DOI : 10.1007 / 10506626_1618 .
  3. ↑ C. Guminski. The Hg-Ho (mercury-holmium) system // Journal of Phase Equilibria. - 1995. - T. 16 , No. 1 . - S. 77-80 . - DOI : 10.1007 / BF02646253 .


Source - https://ru.wikipedia.org/w/index.php?title= Mercury_Gold&oldid = 80369312


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