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3,4-Bis[1-(prop-2-yn-yl)-1H-indol-3-yl]-1H-pyrrole-2,5-dione.

ABSTRACT: In the title mol-ecule, C26H17N3O2, both indole ring systems are essentially planar, with maximum deviations of 0.019?(2) and 0.033?(1)?Å for the N atoms, and form dihedral angles of 34.40?(9) and 45.06?(8)° with the essentially planar pyrrole ring [maximum deviation = 0.020?(2)?Å]. The dihedral angle between the two indole ring systems is 58.78?(6)°. In the crystal, mol-ecules are connected by pairs of N-H?O hydrogen bonds, forming inversion dimers and generating R 2 (2)(8) rings. Weak ?-? stacking inter-actions, with a centroid-centroid distance of 3.983?(2)?Å, are also observed.

SUBMITTER: Huang MH 

PROVIDER: S-EPMC3685074 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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3,4-Bis[1-(prop-2-yn-yl)-1H-indol-3-yl]-1H-pyrrole-2,5-dione.

Huang Mu-Hua MH   Gao Yong-Chen YC   Yang Feng-Ling FL   Luo Yun-Jun YJ  

Acta crystallographica. Section E, Structure reports online 20130518 Pt 6

In the title mol-ecule, C26H17N3O2, both indole ring systems are essentially planar, with maximum deviations of 0.019 (2) and 0.033 (1) Å for the N atoms, and form dihedral angles of 34.40 (9) and 45.06 (8)° with the essentially planar pyrrole ring [maximum deviation = 0.020 (2) Å]. The dihedral angle between the two indole ring systems is 58.78 (6)°. In the crystal, mol-ecules are connected by pairs of N-H⋯O hydrogen bonds, forming inversion dimers and generating R 2 (2)(8) rings. Weak π-π stac  ...[more]

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