Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Ling-hua Zhuang"'
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 5, Pp o1104-o1104 (2011)
The title compound, C15H20N2O22+·2PF6−, was prepared by anion exchange of two bromide ions in the ionic liquid 2,2′-bis-(pyridinium-1-ylmethyl)-propane-1,3-diol dibromide with potassium hexafluorophosphate. The two pyridine rings are planar (r.m
Externí odkaz:
https://doaj.org/article/ba2817dbc298431e8844d5f8a5f8dde7
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3282-o3282 (2010)
The title compound, C13H22N4O22+·2PF6−, was prepared by the anion exchange of the dibromide ionic liquid with potassium hexafluorophosphate. The two imidazole rings are each planar (r.m.s. deviations = 0.0016 and 0.0060 Å) and make a dihedral ang
Externí odkaz:
https://doaj.org/article/cc0c3ee71231496eb5b47c391005fec3
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 9, Pp m1080-m1081 (2010)
The title compound, (C11H18N4)[CdBr4], was prepared by an anion exchange. The dihedral angle between the two planar imidazolium rings in the cation is 74.4 (4)°. The crystal packing is stabilized by weak intermolecular C—H...Br hydrogen bonds betw
Externí odkaz:
https://doaj.org/article/5d49d4316f21466cac348cd80fbca1c2
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 6, Pp o1267-o1267 (2010)
The title compound, C12H20N42+·2BF4−, was prepared by the anion exchange of a dibromide ionic liquid with sodium tetrafluoroborate. The asymmetric unit contains one half of the imidazolium cation, which lies about an inversion centre at the mid-po
Externí odkaz:
https://doaj.org/article/931de33f602f4fd8a4f4c75f03d612da
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2244-o2244 (2009)
The title compound, C9H11N3S, was prepared by reacting 4-methylbenzaldehyde with thiosemicarbazide. An intramolecular N—H...N hydrogen bond helps to establish the observed molecular conformation. The crystal packing is realized by intermolecular N
Externí odkaz:
https://doaj.org/article/b78eebf94e2a4019800819780eb35d73
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2245-o2245 (2009)
The title compound, C9H9BrO2, prepared by the reaction of 4-methoxyacetophenone and cupric bromide, , is approximately planar (r.m.s. deviation 0.0008 Å). In the crystal, weak intermolecular aromatic C—H...Ocarbonyl hydrogen-bonding interactions r
Externí odkaz:
https://doaj.org/article/604666044c57474db470df2e35454ea1
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o884-o884 (2009)
The title compound, C9H11N3OS, was prepared by the reaction of 3-methoxybenzaldehyde and thiosemicarbazide. The benzylidene ring and the thiosemicarbazone fragment are slightly twisted, making a dihedral angle of 14.1 (1)°. A weak intramolecular N
Externí odkaz:
https://doaj.org/article/3214c3d26ca242f2bf5146684bad7046
Autor:
Guo-wei Wang, Ling-hua Zhuang
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o403-o403 (2009)
The title compound, C12H14O6, was prepared by the Williamson reaction of 1,4-dihydroxybenzene and methyl chloroacetate with phase-transfer catalysis. The compound lies on an inversion center. The structure is stabilized by weak C—H...π interaction
Externí odkaz:
https://doaj.org/article/de0a926f0b274e11aadfb36e0477c357
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o293-o293 (2009)
The title compound, C20H20N2S2, was prepared by the reaction of suberic acid and 2-aminothiophenol under microwave irradiation. The molecule lies on an inversion center.
Externí odkaz:
https://doaj.org/article/7009e82150634deea93df47943558bf2
Autor:
Guo-wei Wang, Ling-hua Zhuang
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o220-o220 (2009)
The molecule of the title dicarbonyl compound, C13H20O6, possesses approximate local twofold symmetry. In the crystal, intermolecular C—H...O hydrogen bonds link the molecules, generating a chain structure.
Externí odkaz:
https://doaj.org/article/fffeb4197a2e4dd7a4c47e9900bf27eb