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Incommensurately Modulated δ″-Au1+xCd2-x Formed by an Unquenchable Phase Transformation from the γ-Brass δ'-Phase.

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Author

Summary, in English

The synthesis and structural determination of the compound δ″-Au1+xCd2-x (0.07 ≤ x ≤0.08) is reported. The structure may be formally derived from that of ξ-CoZn13, but elemental ordering causes an incommensurate modulation as determined by single-crystal X-ray diffraction at room temperature. The compound δ″-Au3.23Cd5.76 crystallizes in the monoclinic super space group C2/m(0β(1)/2)00 with lattice parameters a = 14.790(2) Å, b = 8.251(1) Å, c = 12.744(1) Å, β = 115.182(9)° and a q-vector q = (0β(1)/2), β = 0.579b*. The δ″-phase is stable up to 652(1) K.

Publishing year

2013

Language

English

Pages

12980-12985

Publication/Series

Inorganic Chemistry

Volume

52

Issue

22

Document type

Journal article

Publisher

The American Chemical Society (ACS)

Topic

  • Chemical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1520-510X