Abstract
In the title compound, C17H12N2O, the mean planes of the indene ring and quinoxaline system (r.m.s. deviations = 0.0131 and 0.0082 Å) are approximately parallel to one another, making a dihedral angle of 1.2 (5)°. This means that the indeno-[1,2-b]quinoxaline ring is almost in the same plane (r.m.s. deviation = 0.0181 Å).
Highlights
Quinoxaline based N-heteroacenes show a narrow band-gap, high thermal stability and aligned film morphology and can be applied as the hole-transport layers in quantum dot light-emitting diodes (QLEDs) (Bai et al, 2015)
C17H12N2O, the mean planes of the indene ring and quinoxaline system (r.m.s. deviations = 0.0131 and 0.0082 A ) are approximately parallel to one another, making a dihedral angle of 1.2 (5). This means that the indeno[1,2-b]quinoxaline ring is almost in the same plane (r.m.s. deviation = 0.0181 A )
As part of our work in this area, we report the synthesis and crystal structure of the title indeno[1,2-b]quinoxaline derivative
Summary
Quinoxaline based N-heteroacenes show a narrow band-gap, high thermal stability and aligned film morphology and can be applied as the hole-transport layers in quantum dot light-emitting diodes (QLEDs) (Bai et al, 2015). As part of our work in this area, we report the synthesis and crystal structure of the title indeno[1,2-b]quinoxaline derivative. The indene ring and quinoxaline system are nearly parallel to one another [dihedral angle = 1.2 (5)]. This means that the indeno[1,2-b]quinoxaline ring (N1–N2/C1–C15) is almost in the same plane (r.m.s. deviation = 0.0181 A ), which contains the two methyl groups. The indeno[1,2-b]quinoxaline ring (r.m.s. deviations = 0.1197 A ) is twisted with respect to the two benzene ring systems by 70.0 (4) and 67.6 (3), respectively
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