Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Chang Zheng Zheng"'
Autor:
Chen Wen, Lei Feng, Tingting Cao, Xiaoqiang Liang, Yamei Zhao, Chang-Zheng Zheng, Chengan Wan, Li Wang, Feng Zhang
Publikováno v:
CrystEngComm. 22:1414-1424
Improving proton conductivity is of great importance for the further application of metal–organic frameworks (MOFs) or metal–organic coordination polymers (MOCPs) in proton exchange membrane fuel cells. In this paper, we proposed a new approach t
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 8, Pp m1132-m1132 (2011)
The central NiII atom in the title complex, [Ni(C16H13BrN2O2)(C5H5N)], is in a square-planar trans-N2O2 environment defined by the NO2 donor atoms of the tridentate hydrazone ligand and the monodentate pyridine ligand. The pyridine molecule forms a d
Externí odkaz:
https://doaj.org/article/7a2fe354d28c46f7945288189a4d99ba
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp m978-m978 (2011)
The complex molecule of the title compound, [Ni(C10H11N2O)2(C5H5N)2], has a crystallographically imposed centre of symmetry. The NiII atom is coordinated in a distorted octahedral geometry by the O and N atoms of two trans arranged anionic bidentate
Externí odkaz:
https://doaj.org/article/98b57955c1024495b084d838f00e187c
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 7, Pp o1809-o1809 (2011)
The title compound, C15H12BrN3O4, displays a trans conformation with respect to the C=N double bond. The central atoms around the C=N double bond are not coplanar, in contrast to the aromatic rings, which exhibit a dihedral angle of 1.80 (4)° betwee
Externí odkaz:
https://doaj.org/article/320dccfb66ae46cb92bdb43398a6c15c
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp m1060-m1060 (2009)
The asymmetric unit of title complex, [Ni(C20H12BrClN2O2)(C5H5N)], contains one complex with the central Ni atom in a slightly distorted square–planar environment, formed by the tridentate hydrazone and the monodentate pyridine ligands, with N atom
Externí odkaz:
https://doaj.org/article/ab3aee3773294e4fab61cd4760f06139
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 8, Pp o1944-o1944 (2009)
The Schiff base, C20H14BrClN2O2, displays a trans conformation with respect to the C=N double bond. The aromatic rings at either end of the –C(=O)–NH–N=C– fragment are nearly parallel [dihedral angle = 3.4 (5)°]. The hydroxy group forms an i
Externí odkaz:
https://doaj.org/article/b41ff935efaa48308b908555bbe1a9df
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 8, Pp m965-m965 (2009)
The asymmetric unit of title complex, [Ni(C20H13BrN2O2)(C5H5N)], contains two independent molecules. In each molecule, the central NiII atom has a square-planar environment, formed by the tridentate hydrazone and the monodentate pyridine ligands, wit
Externí odkaz:
https://doaj.org/article/e1cf8e90b7424271adf5dcec3164b8bd
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 12, Pp o2487-o2487 (2008)
The C=N double bond in the title compound, C15H13BrN2O2, is trans E configured and the dihedral angle between the aromatic ring planes is 22.3 (1)°. The crystal structure is stabilized by intramolecular O—H...O and intermolecular N—H...O hydroge
Externí odkaz:
https://doaj.org/article/4a3ad98dcac04c19871cf91c3059edf9
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 12, Pp o2486-o2486 (2008)
In the title compound, C13H9BrO2, the dihedral angle between the aromatic ring planes is 53.6 (1)°. The crystal structure is stabilized by intramolecular O—H...O and intermolecular C—H...O hydrogen bonding and C—H...π interactions.
Externí odkaz:
https://doaj.org/article/8019ee99dde342368f4b1193f2acef6d
Publikováno v:
Key Engineering Materials. 717:73-76
[EAPy][PF6] Pyridinium ionic liquid was synthesized by two-step process: introduction of one ethyl acetate group and anions metathesis. Additionally, single crystals of the IL was first obtained by solvent-evaporation method in growth systems. [EAPy]