Crystal Engineering on Organic Pigments

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Diaryl pigments: <strong>Crystal</strong> <strong>Engineering</strong> Compd. Col. strength Conform. Selling price Costs P. Yellow 12 (�) 100 % twisted low low Solid solution of P.Y.12 and P.Y.14 150 % planar high medium P. Yellow 12 (�) ... planar P. Yellow 13 141 % planar high high P. Yellow 14 (106 %) planar P. Yellow 83 138 % planar [M.U. Schmidt, R.E. Dinnebier, H. Kalkhof, J. Phys. Chem. B 111 (2007), 9722-9732] N H N H CH 3 CH 3
Diaryl pigments: <strong>Crystal</strong> <strong>Engineering</strong> Compd. Col. strength Conform. Selling price Costs P. Yellow 12 (�) 100 % twisted low low Solid solution of P.Y.12 and P.Y.14 150 % planar high medium P. Yellow 12 (�) ... planar P. Yellow 13 141 % planar high high P. Yellow 14 (106 %) planar P. Yellow 83 138 % planar High selling price for lower costs. The solid solution is produced industrially. [M.U. Schmidt, R.E. Dinnebier, H. Kalkhof, J. Phys. Chem. B 111 (2007), 9722-9732] N H N H CH 3 CH 3
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Crystal En
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Applications: - Laquers & paints -
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Example 1: Colours of quinacridones
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H N O H N O Isolated molecule Weak
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Polymorphs of quinacridone: A real
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Described polymorphs � Polymorphs
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Described polymorphs � � B I Po
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Described polymorphs � � B I
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Polymorphs of quinacridones � I
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� phase Quinacridone: Synthesis N
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Crystal En
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Crystal En
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Polymorph screening without knowled
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Polymorphism of Pigment Red 53:2 Na
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� Polymorphism of Pigment Red 53:
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Example 2: Weather fastness of Pigm
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N H 2 N N Pigment Red 170 O H O O H
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N H 2 N N Pigment Red 170 O H O O H
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Extraction of reliable reflection i
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Determination of crystal structures
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Lattice energy minimizations (CRYSC
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Pigment Red 170 P2 1 /n, Z = 4, a =
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Pigment Red 170: New derivatives an
Page 90 and 91: O Violet pigment Example 3: Methyl-
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Page 112 and 113: Example 4: Diaryl Pigments CH 3 O C
Page 114 and 115: Example 4: Diaryl Pigments CH 3 O C
Page 118 and 119: Pigment Yellow 14: Structure soluti
Page 120 and 121: Pigment Yellow 14: Structure soluti
Page 122 and 123: Pigment Yellow 14: Synchrotron data
Page 126 and 127: Diaryl pigments: Understanding the
Page 128 and 129: Diaryl pigments: Understanding the
Page 130 and 131: Diaryl pigments: Crystal</s
Page 142: Diaryl pigments: Crystal</s
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Crystal Engineering on Organic Pigments

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