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Rubidium bromide is an inorganic compound with the chemical formula RbBr. It is a salt of hydrogen bromide. It consists of bromide anions Br− and rubidium cations Rb+. It has a NaCl crystal structure, with a lattice constant of 685 picometres.[2]

Preparation

There are several methods for synthesising rubidium bromide. One involves reacting rubidium hydroxide with hydrobromic acid:

RbOH + HBr → RbBr + H2O

Another method is to neutralize rubidium carbonate with hydrobromic acid:

Rb2CO3 + 2 HBr → 2 RbBr + H2O + CO2

References

  1. ^ a b Perry, Dale L. (2016-04-19). Handbook of Inorganic Compounds. CRC Press. p. 348. ISBN 978-1-4398-1462-8.
  2. ^ G. Chern; J. G. Skofronick; W. P. Brug; S. A. Safron (1989). “Surface phonon modes of the RbBr(001) crystal surface by inelastic He-atom scattering”. Phys. Rev. B. 39 (17): 12838–12844. Bibcode:1989PhRvB..3912838C. doi:10.1103/PhysRevB.39.12838. PMID 9948158.