Journal
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS
Volume 78, Issue -, Pages 885-+Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S2056989022007800
Keywords
crystal structure; 7-bromo-2,3-dihydropyrrolo[2,1-b]quinazolin-9(1H)-one; Hirshfeld surface analysis; DFT
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Funding
- Ministry of Innovative Development of Uzbekistan [F-FA2021-408]
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The molecular structure of the compound is almost planar, with the crystal packing dominated by H center dot center dot center dot H, Br center dot center dot center dot H/H center dot center dot center dot Br and O center dot center dot center dot H/H center dot center dot center dot O interactions.
The molecular structure of the title compound, C11H9BrN2O, is almost planar. The benzene and pyrimidine rings are essentially coplanar, with r.m.s. deviations of 0.0130 angstrom, and the largest displacement is for the flap atom of the dihydropyrrole moiety [0.154 (7) angstrom]. Hirshfeld surface analyses revealed that the crystal packing is dominated by H center dot center dot center dot H, Br center dot center dot center dot H/H center dot center dot center dot Br and O center dot center dot center dot H/H center dot center dot center dot O interactions, and Br center dot center dot center dot Br interactions in the crystal structure are also observed. Theoretical calculations using density functional theory (DFT) with the B3LYP functional basis set gave numerical parameters for the frontier molecular orbitals.
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