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Figure 3
Precession electron-diffraction patterns of (a)–(c) 6 and (d)–(f) 16, and (g)–(i) the simulated precession electron-diffraction patterns from the derived structure model of 16. The kinematical simulation conditions are: voltage 200 kV, precession angle 1.1°, and crystal thicknesses (g) 400 Å, (h) 500 Å and (i) 400 Å. The intensity distributions in reciprocal space are similar for 6 and 16. The corresponding reflections have the same h and k, but l(16) ≃ τ2 l(6), such that the very strong reflection (006) in 6 corresponds to (00[_{\prime} ]16) in 16.

ISSN: 2052-5206
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