Capabilities of through-the-substrate micro­diffraction: application of Patterson-function direct methods to synchrotron data from polished thin sections

Rius, J.; Labrador, A.; Crespi, A.; Frontera, C.; Vallcorba, O.; Melgarejo, J.C.

doi:10.1107/S0909049511038830

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Figure 8
Perspective view with atom numbering of the D4MR cage of the ilerdite framework model (repeated along a) as obtained from Patterson-function direct methods and subsequent Rietveld refinement with only framework atoms. Noteworthy is the presence of pentacoordinated Al atoms at the cage junctions. The D4MR cages propagate along b via formation of four-membered rings with O1 and O2 as bridging O atoms. In the c direction O8 connects the T3 and T4 atoms of adjacent cages thereby spanning the framework reproduced in Fig. 10

. T2 and T2′ are related by a mirror plane.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 18| Part 6| October 2011| Pages 891-898

doi:10.1107/S0909049511038830

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