Crystal structure of the high-pressure phase of the oxonitridosilicate chloride Ce4[Si4O3 + xN7 − x]Cl1 − xOx, x ≃ 0.2

Friedrich, A.; Haussühl, E.; Morgenroth, W.; Lieb, A.; Winkler, B.; Knorr, K.; Schnick, W.

doi:10.1107/S0108768106003302

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 1
Coordination of the Ce cations and the [Ce₄Cl_0.93O_0.07]^10.93+ cation group, which is drawn as a tetrahedron with Cl and O as central atoms, at 8.5 GPa (left) and 8.6 GPa (right). At 8.5 GPa the tetrahedron is only drawn to one of the split sites, namely to the Ce2 site. Si atoms are not drawn. Abbreviations of atom labels: O3A ≡ O3A/N3aA and O3B ≡ O3B/N3aB.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 62| Part 2| March 2006| Pages 205-211

doi:10.1107/S0108768106003302

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