Spectra of the Alkali Halides. III. Electronic Spectra of Lithium Chloride, Lithium Bromide, and Lithium Iodide

1957 ◽  
Vol 26 (4) ◽  
pp. 724-726 ◽  
Author(s):  
R. Stephen Berry ◽  
William Klemperer
2018 ◽  
Vol 74 (2) ◽  
pp. 194-202 ◽  
Author(s):  
Julia Sohr ◽  
Horst Schmidt ◽  
Wolfgang Voigt

For lithium halides, LiX (X = Cl, Br and I), hydrates with a water content of 1, 2, 3 and 5 moles of water per formula unit are known as phases in aqueous solid–liquid equilibria. The crystal structures of the monohydrates of LiCl and LiBr are known, but no crystal structures have been reported so far for the higher hydrates, apart from LiI·3H2O. In this study, the crystal structures of the di- and trihydrates of lithium chloride, lithium bromide and lithium iodide, and the pentahydrates of lithium chloride and lithium bromide have been determined. In each hydrate, the lithium cation is coordinated octahedrally. The dihydrates crystallize in the NaCl·2H2O or NaI·2H2O type structure. Surprisingly, in the tri- and pentahydrates of LiCl and LiBr, one water molecule per Li+ ion remains uncoordinated. For LiI·3H2O, the LiClO4·3H2O structure type was confirmed and the H-atom positions have been fixed. The hydrogen-bond networks in the various structures are discussed in detail. Contrary to the monohydrates, the structures of the higher hydrates show no disorder.


1999 ◽  
Vol 44 (6) ◽  
pp. 1175-1177 ◽  
Author(s):  
Kee-Kahb Koo ◽  
Hyung-Rae Lee ◽  
Young-Sam Oh ◽  
Dal-Ryung Park ◽  
Young-Soon Baek

1998 ◽  
Vol 43 (5) ◽  
pp. 722-725 ◽  
Author(s):  
Kee-Kahb Koo ◽  
Hyung-Rae Lee ◽  
Siyoung Jeong ◽  
Young-Sam Oh ◽  
Dal-Ryung Park ◽  
...  

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