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Figure 3
Reciprocal space map (Q map) of CuPc grown at 400 K on native silicon oxide (2 Å min−1 for 100 min). White circles indicate the calculated peak positions for the C2/c structure. The corresponding unit cell is shown in the upper right corner [a = 26.(1), b = 3.8(2), c = 24.(0) Å, β = 94.(0)°]. Black dots mark the positions at which the molecules have to be placed in consideration of the space-group symmetries. The GIXD patterns are indexed below according to the primitive triclinic crystal structure (P1) reported by Hoshino (2003), whose a and c axes are halved.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 1| February 2021| Pages 203-210
https://doi.org/10.1107/S1600576720015472
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