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(E)-3-(Anthracen-9-yl)-1-(2-bromo-phen-yl)prop-2-en-1-one.

ABSTRACT: The mol-ecule of the title chalcone, C(23)H(15)BrO, is not planar and exists in the E configuration with respect to the central C=C bond. The dihedral angle between the benzene and anthracene rings is 83.58?(6)°. The prop-2-en-1-one bridge makes dihedral angles of 63.00?(7) and 42.62?(16)° with the benzene and anthracene rings, respectively. In the crystal, mol-ecules are linked into dimers by weak C-H?O inter-actions. These dimers are arranged parallel to the bc plane and are further stacked along the a axis by ?-? inter-actions with a centroid-centroid distance of 3.7561?(9)?Å. The crystal structure is further stabilized by C-H?? inter-actions.

SUBMITTER: Fun HK 

PROVIDER: S-EPMC3011387 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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(E)-3-(Anthracen-9-yl)-1-(2-bromo-phen-yl)prop-2-en-1-one.

Fun Hoong-Kun HK   Kobkeatthawin Thawanrat T   Joothamongkhon Jaruwan J   Chantrapromma Suchada S  

Acta crystallographica. Section E, Structure reports online 20101127 Pt 12

The mol-ecule of the title chalcone, C(23)H(15)BrO, is not planar and exists in the E configuration with respect to the central C=C bond. The dihedral angle between the benzene and anthracene rings is 83.58 (6)°. The prop-2-en-1-one bridge makes dihedral angles of 63.00 (7) and 42.62 (16)° with the benzene and anthracene rings, respectively. In the crystal, mol-ecules are linked into dimers by weak C-H⋯O inter-actions. These dimers are arranged parallel to the bc plane and are further stacked al  ...[more]

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