2003/01/29 by Mikhail Y. Redko, Rui Huang, James E. Jackson +2 · 1 citation
Chemistry · Physics and Astronomy · Materials Science · #Inorganic Chemistry and Materials #Advanced Chemical Physics Studies #Hydrogen Storage and Materials
paper · doi:10.1021/ja027241m
openalex publication_date 2003/01/29 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
The first barium sodide, with stoichiometry Ba(2+)(H(5)Azacryptand[2.2.2](-))Na(-).2MeNH(2), was synthesized by the reaction of Ba, Na, and H(6)Azacryptand[2.2.2] in NH(3)-MeNH(2) solution. It was characterized by X-ray crystallography, (23)Na MAS NMR, hydrogen evolution, DSC, optical spectroscopy, and magnetic susceptibility. This is the first sodide in which the sodium anions form (Na(2))(2)(-) dimers. Previous theoretical predictions were verified by a calculation of the potential energy curve for the dimer in the field of the surrounding charges, whose positions were determined from the crystal structure.