Synthesis and Crystal Structure of Barium Thioborate Ba7(BS3)4S
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2004-05-03
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Martin, Steve
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Materials Science and Engineering
Materials engineers create new materials and improve existing materials. Everything is limited by the materials that are used to produce it. Materials engineers understand the relationship between the properties of a material and its internal structure — from the macro level down to the atomic level. The better the materials, the better the end result — it’s as simple as that.
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Abstract
The thioborate phase Ba7(BS3)4S crystallizes in the monoclinic space group C2/c (No. 15) with a = 10.1750(15) Å, b = 23.970(4) Å, c = 10.1692(15) Å, β = 90.095(2)°, and Z = 4. The structure consists of isolated trigonal planar (BS3)3- anions, and isolated S2- anions and Ba2+ cations. The vibrational modes of the isolated (BS3)3- units were measured from Raman scattering and IR absorption spectra, and the frequencies agree very well with those found for similar orthothioborate phases.
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Reprinted with permission from Inorganic Chemistry 43 (2004): 2773–2775, doi:10.1021/ic035454m. Copyright 2004 American Chemistry
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Thu Jan 01 00:00:00 UTC 2004