Zobrazeno 1 - 10
of 575
pro vyhledávání: '"M. Nawaz Tahir"'
Autor:
Abdur Rauf, Afzal Shah, Khurram Shahzad Munawar, Saqib Ali, M. Nawaz Tahir, Mohsin Javed, Asad Muhammad Khan
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 1130-1141 (2020)
A Schiff base 1-((3-nitrophenylimino)methyl)naphthalen-2-olate (HL) and its two novel complexes with Zn(II) and Co(II) metals were successfully synthesized and characterized by FTIR, 1H NMR, 13C NMR, elemental analysis, magnetic susceptibility, TGA a
Externí odkaz:
https://doaj.org/article/e8d3a4ed41fa48f3b4b9e9a875e9a10c
Publikováno v:
IUCrData, Vol 2, Iss 4, p x170549 (2017)
In the title compound, C10H9NS, the C—S—C bond angle is 99.41 (9)° and the dihedral angle between the trans-alkene fragment and the benzene ring is 16.49 (19)°. In the crystal, inversion dimers linked by pairs of extremely weak C—H...N intera
Externí odkaz:
https://doaj.org/article/0b9d643d2aae45ef9887c8a682841379
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 9, Pp o1008-o1008 (2014)
The title Schiff base, C14H11NO3, crystallizes as a zwitterion (i.e. proton transfer from the carboxylic acid group to the imine N atom). The dihedral angle between the aromatic rings is 19.59 (6)° and an intramolecular N—H...O hydrogen bond close
Externí odkaz:
https://doaj.org/article/754dd3e9b02d4df685990a56213258f5
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 2, Pp o136-o136 (2014)
In the title compound, C13H14N4O2, which has approximate mirror symmetry, the dihedral angles between the triazole ring and the cyclopropane and pyridine rings are 87.1 (2) and 7.60 (9)°, respectively. In the crystal, inversion dimers linked by pair
Externí odkaz:
https://doaj.org/article/227f674c2f22438a9154ed7d2d8ef088
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 12, Pp o1768-o1768 (2013)
In the title compound, C17H21N3O3, the non-planar (r.m.s. deviation = 0.212 Å) ethyl (oxo)acetate group is oriented towards the phenyl substituent. The triazole and benzene rings are twisted with respect to each other, making a dihedral angle of 41.
Externí odkaz:
https://doaj.org/article/7d8ecb26ccf04236b463d7f199586a84
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 11, Pp o1635-o1635 (2013)
In the title compound, C12H9BrN4O, the dihedral angle between the aromatic rings is 12.16 (12)°. An intramolecular N—H...N hydrogen bond closes an S(5) ring. In the crystal, C—H...O hydrogen bonds link the molecules into C(6) chains propagating
Externí odkaz:
https://doaj.org/article/216890755be34944b5c5035b34bd6cea
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp m486-m486 (2013)
In the title compound, [Fe(C5H5)(C25H17Cl3N3O)], the isolated cyclopentadienyl (Cp) ring is disordered over two set of sites in a 0.577 (8):0.423 (8) ratio. The dihedral angle between the other Cp ring and its attached benzene ring is 13.6 (3)°, and
Externí odkaz:
https://doaj.org/article/d0e1ac89f604490189af68b94cdadd03
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp o1419-o1419 (2013)
The title compound, C13H12N4O2, crystallized with two independent molecules (A and B) in the asymmetric unit. Molecule B is planar to within 0.044 (3) Å for all non-H atoms, while molecule A is slightly twisted, with a dihedral angle of 6.29 (4)° b
Externí odkaz:
https://doaj.org/article/a39291088e90493e8a2b4cce30d9950e
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1141-o1141 (2013)
In the title compound, C12H9BrN4O, the N′-methylidenepyrazine-2-carbohydrazide and 4-bromobenzene groups are oriented at a dihedral angle of 10.57 (7)°. The hydrazide N—H group is involved in intramolecular N—H...N interaction, which generates
Externí odkaz:
https://doaj.org/article/4a80d882cc374e43aa1f63151e0a553d
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp m316-m316 (2013)
In the title compound, [Sn(C6H5)3(C2H3OS2)], the SnIV atom adopts a distorted SnC3S tetrahedral coordination geometry. A short Sn...O contact [2.988 (4) Å] is also present. The phenyl rings are each disordered over two sets of sites with an occupanc
Externí odkaz:
https://doaj.org/article/c213563b5ad04b05a4d084d2e341b88d