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Crystal Engineering on Organic Pigments

Crystal Engineering on Organic Pigments

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Methyl-dioxazine: Structure soluti<strong>on</strong><br />

–<br />

P 1<br />

Z = 2<br />

Intensity<br />

P 2 1<br />

Z = 2<br />

P 2 1 /c<br />

Z = 4<br />

C 2/c<br />

Z = 8<br />

P 2 1 2 1 2 1<br />

Z = 4<br />

–<br />

P 1<br />

Z = 1<br />

Lattice energy minimizati<strong>on</strong>s (CRYSCA)<br />

Calculati<strong>on</strong> of powder diagrams<br />

P 2 1 /c<br />

Z = 2<br />

5 10 15 20 25 30 2� / °<br />

...<br />

Predicted crystal structures<br />

Pbca<br />

Z = 4<br />

Calculated structure<br />

(energy rank no. 5)<br />

–<br />

(P 1, Z = 1)

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