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(2E)-2-(4-Bromo-benzyl-idene)-2,3-di-hydro-1H-inden-1-one.

ABSTRACT: The title indan-1-one derivative, C(16)H(11)BrO, is planar, the r.m.s. deviation for all 18 non-H atoms being 0.071?Å. The configuration about the C=C bond [1.337?(5)?Å] is E. In the crystal, supra-molecular layers in the ab plane are formed by C-H?O inter-actions, involving the bifurcated carbonyl O atom, as well as C-H?? inter-actions. The studied crystal was an inversion twin.

SUBMITTER: Asiri AM

PROVIDER: S-EPMC3295522 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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(2E)-2-(4-Bromo-benzyl-idene)-2,3-di-hydro-1H-inden-1-one.

Asiri Abdullah M AM Faidallah Hassan M HM Al-Nemari Khulud F KF Ng Seik Weng SW Tiekink Edward R T ER

Acta crystallographica. Section E, Structure reports online 20120217 Pt 3

The title indan-1-one derivative, C(16)H(11)BrO, is planar, the r.m.s. deviation for all 18 non-H atoms being 0.071 Å. The configuration about the C=C bond [1.337 (5) Å] is E. In the crystal, supra-molecular layers in the ab plane are formed by C-H⋯O inter-actions, involving the bifurcated carbonyl O atom, as well as C-H⋯π inter-actions. The studied crystal was an inversion twin. ...[more]

PMID: 22412633

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Ortho-rhom-bic polymorph of (2E)-2-(2,3-dihydro-1H-inden-1-yl-idene)-2,3-di-hydro-1H-inden-1-one.

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(2E)-2-Benzyl-idene-9-phenyl-3,4-di-hydro-acridin-1(2H)-one.

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(1E,2E)-1,2-Bis(2,3-dihydro-1H-inden-1-yl-idene)hydrazine.

Project description:In the title compound, C(18)H(16)N(2), there are two independent half-mol-ecules (A and B) in the asymmetric unit, each mol-ecule being completed by an inversion center situated in the mid-point of the central N-N bond. The mol-ecules themselves therefore are essentially planar with r.m.s. deviations of 0.015 (1) and 0.020 (1) Å, respectively. In the crystal, mol-ecules are connected via C-H⋯π inter-actions in which only type B mol-ecules are donors, while both A and B mol-ecules act as acceptors. As a result, type B mol-ecules are linked into infinite chains along b, which are inter-connected by molecules of type A.

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