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Figure 7
Powder charge-flipping electron density maps for TNU-9 generated (a) using XPD data alone, (b) using XPD data and five PED patterns (combined weak reflection elimination and phase retrieval), and (c) using the map in (b) as a seed for a second pCF run. The framework structure of calcined TNU-9 is overlaid for comparison (Si: yellow; O: red).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 41| Part 6| November 2008| Pages 1115-1121
doi:10.1107/S0021889808034377
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