4,4′-Bis[2-(3,4-dibutyl-2-thienylethynyl)]biphenyl
نویسندگان
چکیده
منابع مشابه
9,9-Dibutyl-9H-fluorene-2-carbonitrile
The fluorene fragment of the title compound, C(22)H(25)N, is essentially planar, with an r.m.s deviation of the five-membered ring of 0.005 (2) Å. The dihedral angle between this ring and the outer benzene rings are 1.5 (2) and 0.7 (2)° while that between the benzene rings is 2.1 (2)°. The cyano group makes an angle of 0.3 (2)° with the attached benzene ring.
متن کامل4,4′-Bis[2-(3,4-dibutyl-2-thienylethynyl)]biphenyl
The mol-ecule of the title compound, C(40)H(46)S(2), reveals C(i) symmetry. An inversion centre is located at the mid-point of the C-C bond of the biphenyl unit; the asymmetric unit comprises one-half of the mol-ecule. The conjugated backbone is nearly planar, with a mean deviation of 0.041 Å.
متن کاملCrystal structure of 4,4-dibutyl-2-phenyl-3,4-dihydroquinazoline
In the title compound, C22H28N2, the dihedral angle between the planes of the phenyl ring and the di-hydro-quinazoline ring system (r.m.s. deviation = 0.030 Å) is 24.95 (7)° and both n-butane chains assume all-trans conformations. In the crystal, N-H⋯N hydrogen bonds link the mol-ecules into C(4) chains propagating in the [001] direction.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2008
ISSN: 1600-5368
DOI: 10.1107/s1600536808036143