On the quality of single-crystal X-ray results
نویسندگان
چکیده
منابع مشابه
Crystal chemistry of HgBa2CaCu208+ and HgBa2Ca2Cu308+ Single-crystal X-ray diffraction results
Crystal structures of HgBa2CaCu206 + ~ (Hg1212 ) and HgBa2Ca2Cu308 + a (Hg1223 ) have been determined on single crystals at room temperature conditions by X-ray diffraction techniques. Both tetragonal specimens are isomorphous with compounds in the T1-Ba-Ca-Cu-O system. We observe excess oxygen in both samples on two sites near the z=0 plane: at (1⁄200) and close to (1⁄2, 0.4, 0) but no oxygen ...
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The crystal structure of Mg(2)B(25), dimagnesium penta-eicosa-boride, was reexamined from single-crystal X-ray diffraction data. The structural model previously reported on the basis of powder X-ray diffraction data [Giunchi et al. (2006 ▶). Solid State Sci.8, 1202-1208] has been confirmed, although a much higher precision refinement was achieved, leading to much smaller standard uncertainties ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section A Foundations of Crystallography
سال: 2013
ISSN: 0108-7673
DOI: 10.1107/s010876731309404x