Einige strukturelle Ergebnisse an metallischen Phasen III

Structure Refinement of AuSn2

“…The present experiment fully confirms the structural model reported by Schubert et al [5], but the atomic positions and the occupancy parameters have been determined with much higher precision. In Fig.…”

“…All relevant crystallographic details are listed in Table 1. Our refined lattice parameters (Table 1) are in good agreement with the data originally reported by Schubert et al [5], v. c. a = 690.9, b = 703.7, and c = 1178.9 pm.…”

“…The systematic extinctions of the data set were compatible with space group Pbca, in agreement with the previous investigation by Schubert et al [5]. The atomic parameters determined from the X-ray film data were taken as starting values and the structure was refined using SHELXL-97 (fullmatrix least-squares on F o 2 ) [12] with anisotropic atomic displacement parameters for all three sites.…”

“…Yuanjiangite most likely formed by in situ replacement of placer gold within tin-rich sed-0932-0776 / 06 / 0100-0108 $ 06.00 c 2006 Verlag der Zeitschrift für Naturforschung, Tübingen · http://znaturforsch.com [4,5]. An alternative description of the structure was given some time later by Kripyakevich [6].…”

Bonding in intermetallics may be deceptive – The case of the new type structure Au2InGa2

“…During a systematic mapping of an isothermal section of the ternary phase diagram at 280 C, a previously unknown ternary phase, Au 2 The single crystal measurements revealed the fact Au 2 InGa 2 is an ordered compound in contrast to previously reported similar structures such as Au 0.45 Pt 1.68 Sn 2.87 [6] and Au 2 In 1.5 Sn 1.5 [7].…”