منابع مشابه
Redetermination of 4-hydroxybenzaldehyde
This is a redetermination of the structure of the title compound, C(7)H(6)O(2), which was first reported by Iwasaki [Acta Cryst. (1977 ▶), B33, 1646-1648]. The results are obtained with greater precision in the present study. Crystal packing is stabilized by inter-molecular O-H⋯O inter-actions between the hydroxyl and aldehyde groups which link the mol-ecules into chains in a zigzag pattern alo...
متن کاملRedetermination of 4-nitrostilbene
In the title compound, C(14)H(11)NO(2), the benzene rings are inclined to each other with a dihedral angle between their mean planes of 8.42 (6)°. The nitro group is almost coplanar with the attached benzene ring but is rotated about the C-N bond by 5.84 (12)°. This redetermination results in a crystal structure with significantly higher precision than the original determination [Hertel & Romer...
متن کاملRedetermination of 4-(dimethylamino)pyridinium tribromide
In the title salt, C(7)H(11)N(2) (+)·Br(3) (-), the essentially planar cation (r.m.s. deviation = 0.006 Å) forms an N-H⋯Br hydrogen bond to one of the Br atoms of the almost linear anion [Br-Br-Br = 179.31 (2)°]. The crystal studied was found to be a racemic twin. The whole-mol-ecule disorder of the cation and anion about a twofold rotation axis described earlier [Ng (2009). Acta Cryst. E65, o1...
متن کاملRedetermination of 4-cyanopyridine N-oxide
In the title pyridine N-oxide derivative, C(6)H(4)N(2)O, the 4-cyano substituent almost lies in the mean plane of the pyridine ring (r.m.s deviation of all non-H atoms = 0.004 Å). This redetermination results in a crystal structure with significantly higher precision [N-O bond length is 1.2997 (15) compared with 1.303 (5) Å in the original] than the original determination, which was recorded us...
متن کامل4-Chloro-2′,4′,6′-triethylbenzophenone: a redetermination
THE STRUCTURE OF THE TITLE COMPOUND [SYSTEMATIC NAME: (4-chloro-phen-yl)(2,4,6-trimethyl-phen-yl)methanone], C(19)H(21)ClO, has been redetermined at 100 K. The redetermination is of significantly higher precision than the previous structure determination at 133 K and reveals disorder of the one of the o-ethyl groups [occupancy factors = 0.77 (1) and 0.23 (1)] that was not identified in the prev...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2007
ISSN: 1600-5368
DOI: 10.1107/s1600536807063659