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Barbarium

Dirtutrium - a binary inorganic compound of barium and mercury with the formula BaHg 2 , crystals.

Barbarium
Are common
Systematic
name
Barbarium
Traditional namesBarid Virtuality; amalgam barium
Chem. formulaBahg 2
Rat formulaHg 2 ba
Physical properties
conditioncrystals
Molar mass538.51 g / mol
Density9.8 g / cm³
Thermal properties
T. melt.726 ° C
Enthalpy of Education-70.8 [1] kJ / mol

Getting

  • Fusion of stoichiometric amounts of pure substances:
Ba+2Hg→726oCBaHg2{\ displaystyle {\ mathsf {Ba + 2Hg \ {\ xrightarrow {726 ^ {o} C}} \ BaHg_ {2}}}}  

Physical Properties

Dirtobarium forms rhombic syngony crystals, space group I mma , cell parameters a = 0.5144 nm, b = 0.8072 nm, c = 0.8717 nm, Z = 4, CeCu 2 dimetzerium type structure [2] [3] [ 4] [5] [6] [7] .

The compound melts congruently at a temperature of 726 ° C [2] .

Notes

  1. ↑ Anubhav Jain, S.-A. Seyed-Reihani, Christopher C. Fischer, David J. Couling, Gerbrand Ceder, William H. Green. Ab initio screening of metal sorbents for elemental mercury capture in syngas streams // Chemical Engineering Science. - 2010 .-- T. 65 . - S. 3025-3033 . - DOI : 10.1016 / j.ces.2010.01.01.024 .
  2. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Mechanical Engineering, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
  3. ↑ B. Predel. Ba-Hg (Barium-Mercury) // Landolt-Börnstein - Group IV Physical Chemistry. - 1992. - T. 5b . - S. 1-2 . - DOI : 10.1007 / 10040476_422 .
  4. ↑ G. Bruzzone, F. Merlo. The barium-mercury system // Journal of the Less Common Metals. - 1975. - T. 39 , No. 2 . - S. 271–276 . - DOI : 10.1016 / 0022-5088 (75) 90201-5 .
  5. ↑ C. Guminski. The Ba-Hg (barium-mercury) system // Journal of Phase Equilibria. - 2000. - T. 21 , No. 2 . - S. 173-178 . - DOI : 10.1361 / 105497100770340237 .
  6. ↑ Richard C. Ropp ,. Encyclopedia of the Alkaline Earth Compounds. - Elsevier, 2013 .-- 1187 p. - ISBN 978-0-444-59550-8 .
  7. ↑ LF Kozin, SC Hansen. Mercury Handbook: Chemistry, Applications and Environmental Impact. - Royal Society of Chemistry, 2013 .-- 322 p. - ISBN 9781849734097 .


Source - https://ru.wikipedia.org/w/index.php?title=Dirtuite barium&oldid = 80363982


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