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Rhenium Docosaberillium

Rhenium docosaberillium is a binary inorganic compound of rhenium and beryllium with the formula Be 22 Re, crystals.

Rhenium Docosaberillium
Are common
Systematic
name
Rhenium Docosaberillium
Traditional namesDocosaberillium; docosaberylide rhenium
Chem. formulaBe 22 re
Rat formulaReBe 22
Physical properties
conditioncrystals
Molar mass384.48 g / mol
Thermal properties
T. melt.1800 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances:
Re+22Be→1800Be22Re{\ displaystyle {\ mathsf {Re + 22Be \ {\ xrightarrow {1800}} \ Be_ {22} Re}}}  

Physical Properties

Rhenium docosaberillium forms crystals of cubic syngony , space group F d 3 m , cell parameters a = 1.1561 nm, zirconium docosa zinc Zn 22 Zr type structure [1] [2] .

The compound melts at a temperature of 1800 ° C [1] .

At a temperature of 9.33 ÷ 9.65 K, the compound goes into a superconducting state [3] [4] .

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. ↑ B. Predel. Be-Re (Beryllium-Rhenium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1992. - T. 5b . - S. 1 . - DOI : 10.1007 / 10040476_508 .
  3. ↑ Burton R. Magnetization measurements on superconducting beryllium alloys // Helvetica Physica Acta. - 1967. - T. 40 , No. 8 . - S. 1012-1022 . - DOI : 10.5169 / seals-113806 .
  4. ↑ EM Savitskii, VV Baron, Yu. V. Efimov, MI Bychkova, LF Myzenkova. Superconducting Compounds // The International Cryogenics Monograph Series. - 1973. - S. 107-213 . - DOI : 10.1007 / 978-1-4615-8672-2_4 .


Source - https://ru.wikipedia.org/w/index.php?title= Rhenium docosaberillium&oldid = 80369247


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Clever Geek | 2019