Low-temperature redetermination of 1,3-bis(pentafluorophenyl)triazene
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چکیده
منابع مشابه
Low-temperature redetermination of benzofurazan 1-oxide
In the six-membered ring of the low-temperature crystal structure of benzofurazan 1-oxide, C(6)H(4)N(2)O(2), the two C atoms adjacent to the N atoms are linked by a delocalized aromatic bond [1.402 (2) Å]; each is connected to its neighbour by a longer, more localized, bond [1.420 (2), 1.430 (2) Å]. However, the next two bonds in the ring approximate double bonds [1.357 (2), 1.366 (2) Å]. As su...
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Compared to the previous studies [Ng (1997 ▶). Acta Cryst. C53, 56-58; Yin et al. (2005 ▶). Huaxue Shiji, 27, 295-296], the redetermined structure of the title compound, [Sn(C(7)H(7))(3)Cl], exhibits a doubled c unit-cell parameter. There are two mol-ecules in the asymmetric unit, with both Sn and both Cl atoms having 3 site symmetry. The Sn atoms have distorted SnClC(3) tetra-hedral geometries...
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The crystal structure of the title compound, [Sn(C(6)H(5))(3)Cl(H(2)O)]·C(12)H(8)N(2), which was refined in the triclinic space group P [Fu, Gao, Ma & Zhang (2005 ▶). Chin. J. Synth. Chem. 13, 55-57], has been redetermined in the monoclinic space group C2/c from low-temperature diffraction measurements. The Sn atom is five-coordinate in a trans-C(3)SnClO trigonal-bipyramidal geometry; the coord...
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The mol-ecule of the title compound, C(8)H(12)O(4), lies on a twofold rotation axis that passes through the mid-points of two opposite C-C bonds of the ring. Carboxyl groups of adjacent mol-ecules are linked by pairs of hydrogen bonds around a centre of inversion; this inter-action gives rise to a chain that runs along [101].
متن کاملLow-temperature redetermination of 1,3-bis(pentafluorophenyl)triazene
The crystal structure of the title compound, (C(6)F(5))(2)N(3)H, is stabilized by N-H⋯N hydrogen bonding, forming centrosymmetric dimers organized in a herringbone motif. Important geometrical parameters are N-N = 1.272 (2) and 1.330 (2) Å and N-N-N = 112.56 (15)°. The dihedral angle between C(6)F(5) groups is 21.22 (9)°. The room temperature structure was reported by Leman et al. (1993). Inorg...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810045447