Molecular origins of commercial laser dye functionality in azacoumarins and 2-quinolones: LD 425, LD 489 and LD 473

Liu, X.; Cole, J.M.; Waddell, P.G.; Lin, T.-C.

doi:10.1107/S0108768111037311

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 9
Comparison of average bond lengths in coumarins and 2-quinolones in the room-temperature group. The expected values with their standard deviations (2σ) are plotted in (I) and (II) for Ring 1 and Ring 2, respectively. The differences between bonds g and h are computed and plotted as a probability density function (p.d.f.) in (III). Such differences are centred at around 0 for coumarins, while bond h is shorter than bond g in most 2-quinolones.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 67| Part 6| October 2011| Pages 560-568

doi:10.1107/S0108768111037311

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