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Nonartutbarium

Nonartutbarium is a binary inorganic compound of barium and mercury with the formula Ba 2 Hg 9 , crystals.

Nonartutbarium
Are common
Systematic
name
Nonartutbarium
Traditional namesDibarinonartut; barium amalgam
Chem. formulaBa 2 Hg 9
Rac formulaHg 9 Ba 2
Physical properties
conditioncrystals
Molar mass2079.96 g / mol
Density10.1 g / cm³
Thermal properties
T.505 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances:
2Ba+9Hg→505oCBa2Hg9{\ displaystyle {\ mathsf {2Ba + 9Hg \ {\ xrightarrow {505 ^ {o} C}} \ Ba_ {2} Hg_ {9}}}}  

Physical Properties

Nonartutbarium forms crystals of hexagonal syngony , space group P 6 / mmm , cell parameters a = 1.0778 nm, c = 1.0189 nm, Z = 3, structure of type gantriakontakadmiygepabariya Ba 7 Cd 31 [1] [2] [3] . In some works, the formula Ba 7 Hg 31 [4] is attributed to the compound.

The compound is formed by the peritectic reaction at a temperature of 505 ° C [1] .

Notes

  1. ↑ 1 2 State diagrams of double metallic systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
  2. ↑ B. Predel. Ba-Hg (Barium-Mercury) // Landolt-Börnstein - Group IV Physical Chemistry. - 1992. - V. 5b . - S. 1-2 . - DOI : 10.1007 / 10040476_422 .
  3. ↑ G. Bruzzone, F. Merlo. The barium-mercury system // Journal of the Less Common Metals. - 1975. - V. 39 , No. 2 . - p . 271–276 . - DOI : 10.1016 / 0022-5088 (75) 90201-5 .
  4. ↑ C. Guminski. The Ba-Hg (barium-mercury) system // Journal of Phase Equilibria. - 2000. - Vol. 21 , No. 2 . - p . 173-178 . - DOI : 10.1361 / 105497100770340237 .


Source - https://ru.wikipedia.org/w/index.php?title=Noartutbarium&oldid=80367010


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