5-(Prop-2-yn-1-yl)-5H-dibenzo[b,f]azepine: orthorhombic polymorph
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چکیده
منابع مشابه
5-(Prop-2-yn-1-yl)-5H-dibenzo[b,f]azepine: orthorhombic polymorph
In the title ortho-rhom-bic polymorph (space group Iba2), C17H13N, the dihedral angle between the benzene rings is 55.99 (10)° and the azepine ring adopts a boat conformation. In the crystal, mol-ecules are linked by C-H⋯π contacts. The previously-reported polymorph [Yousuf et al. (2012 ▶). Acta Cryst. E68, o1101] crystallizes in the monoclinic system (space group P21/c) with two mol-ecules in ...
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In the title compound, C(21)H(18)Si, the coordination geometry around the Si atom is a slightly distorted tetra-hedron with C-Si-C angles in the range 106.05 (11) to 110.58 (10) ° and Si-C bond lengths in the range 1.855 (2) to 1.883 (3) Å. The alkyne C-C bond length is 1.167 (4) Å. The dihedral angles between the three phenyl rings are 63.89 (7), 86.38 (7) and 70.51 (8)°. In the crystal, mol-e...
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In the title compound, C(10)H(8)N(2)S, the 2-amino-benzothia-zole and propyne groups are not coplanar [dihedral angle = 71.51 (1)°]. The crystal structure is stabilized by strong inter-molecular N-H⋯N hydrogen bonds and C-H⋯C, C-H⋯π and F-type aromatic-aromatic [centroid-centroid distance = 3.7826 (12) Å] inter-actions are also observed.
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In the two independent mol-ecules of the title compound, C(10)H(7)N(3)O(3), the nitro substitutent is twisted slightly with respect to the benzodiazol fused-ring system [dihedral angles = 4.9 (3) and 8.5 (1)°]. The two independent mol-ecules are disposed about a pseudo inversion center and are held together by N-H⋯O hydrogen bonds. The supramolecular dimer is essentially planar [dihedral angle ...
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In the title mol-ecule [systematic name: 10-(prop-2-yn-1-yl)dipyrido[3,4-b:3',4'-e][1,4]thia-zine], C(13)H(9)N(3)S, the dihedral angle between the two pyridine rings is 146.33 (7)° and the angle between two halves of the thia-zine ring is 138.84 (8)°, resulting in a butterfly shape for the tricyclic system. The central thia-zine ring adopts a boat conformation, with the 2-propynyl substituent a...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2012
ISSN: 1600-5368
DOI: 10.1107/s1600536812048908