Fen-Edebiyat Fakültesi: Recent submissions
Now showing items 61-80 of 303
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Bis(2-aminopyridinium) maleate
(Blackwell Munksgaard, 2003)Two cyclic eight-membered hydrogen-bonded rings exist in the title compound, 2C(5)H(7)N(2)(+).C4H2O42-, involving the 2-aminopyridinium and maleate ions. The dihedral angle between the two pyridinium rings hydrogen bonded ... -
Crystal structure, spectral and thermal properties of 2-aminopyridinium adipate monoadipic acid dihydrate
(Elsevier Science Bv, 2003)In the title complex, C22H36N4O10, cyclic eight-membered hydrogen bonded rings exist involving 2-aminopyridinium and adipate ions. Adipic acid molecules and adipate ions are linked in zigzag chains by O-H...O hydrogen ... -
4-[(3-Chlorophenyl)diazenyl]-2-{[tris(hydroxymethyl)methyl]aminomethylene} cyclohexa-3,5-dien-1(2H)-one
(Blackwell Munksgaard, 2003)The title compound, C17H18ClN3O4, adopts the keto - amine tautomeric form and displays an intramolecular N-H...O hydrogen bond [N...O = 2.639 (2) Angstrom]. The configuration around the azo N=N double bond is trans, and ... -
N-[3,5-bis(trifluoromethyl)phenyl]-3-methoxysalicylaldimine
(Blackwell Munksgaard, 2003)In the title compound, C16H11NO2F6, the two aromatic rings are somewhat twisted with respect to each other, forming a dihedral angle of 35.12 (4)degrees. The N=bond distance of 1.287 (5) Angstrom is typical for a double ... -
N-hydroxy-2-oxo-2,N '-diphenylacetamidine
(Blackwell Munksgaard, 2003)The title compound, C14H12O2N2, consists of a phenylamino group and a 2-phenyl-1,2-ethanedione 1-oxime group. Intermolecular O-H...N, N-H...O and intramolecular N-H...O hydrogen bonds [O...N 2.776 (1), 3.086 (1) and 2.574 ... -
Diapuabis(1,10-phenanthroline)cobalt(II) diorotate 2.25-hydrate
(Int Union Crystallography, 2003)In the title compound, [Co(C12H8N2)(2)(H2O)(2)](C5H3N2O4)(2) .2.25H(2)O, the cobalt cation, located on a twofold axis, is coordinated by two symmetry-related aqua ligands together with a pair of symmetry-related bidentate ... -
N-(4-nitrobenzylidene)-N '-phenylhydrazine
(Blackwell Munksgaard, 2003)Molecules of the title compound (alternative name: p-nitrobenzaldehyde phenylhydrazone), C13H11N3O2, adopt an E configuration about the azomethine C=N double bond. Molecules are approximately planar and the dihedral angle ... -
N-(3-Chloro-4-methoxyphenyl)-N '-hydroxy-2-oxo-2-phenylacetamidine
(Blackwell Munksgaard, 2003)The title compound, C15H13N2O3Cl, consists of two aromatic groups linked through the C=N-OH monoxime group. Intermolecular O-H...N, N-H...Cl hydrogen bonds [O...N 2.773 (2), N...Cl 3.719 (2) Angstrom] are highly effective ... -
2-{[Tris(hydroxymethyl)methyl]amino-methylene}cyclohexa-3,5-dien-1(2H)-one and its 6-hydroxy and 6-methoxy derivatives
(Int Union Crystallography, 2003)The title compounds, 2-{[tris(hydroxymethyl)methyl]aminomethylene}cyclohexa-3,5-dien-1(2H)-one, C11H15NO4, (I), 6-hydroxy-2-{[tris (hydroxymethyl)methyl] aminomethylene}-cyclohexa-3,5-dien-1(2H)-one, C11H15NO5, (II), and ... -
Dinicotinamidium squarate
(Blackwell Munksgaard, 2003)The crystal structure determination of the dinicotinamidium squarate salt, 2C(6)H(7)N(2)O(+).C4O42-, is reported, with the squarate dianion residing on an inversion centre and the unique cation in a general position. Salt ... -
Age analysis on different bony structures of Perch (Perca fluviatilis L. 1758) inhabiting Derbent Dam Lake (Bafra, Samsun)
(Scientific Technical Research Council Turkey, 2004)The age determination method and its accuracy are the most important subjects for the evaluation of age-length-weight relations in fisheries biology, since estimates of survival, growth and mortality rates, analysis of ... -
1-[N-(p-Hydroxyphenyl)aminomethyl-idene]naphthalen-2(1H)-one propan-1-of hemisolvate
(Blackwell Munksgaard, 2004)The title compound, 2C(17)H(13)NO(2).C3H8O, adopts the ketoamine tautomeric form, with strong intramolecular N-H...O and intermolecular O-H...O hydrogen bonds which form an almost planar two-dimensional network. The ... -
N-Hydroxy-N '-(1-naphthyl)-2-phenylacet-amidin-2-one
(Blackwell Munksgaard, 2004)The title compound, C18H14O2N2, consists of an aminonaphthalene group and a 2-phenyl-1,2-ethanedione 1-oxime group. Intermolecular O-H...N and O-H...O hydrogen bonds [O...N = 2.775 (2) Angstrom and O...O = 3.252 (2) ... -
The Crystal Structures of the Benzoate, Fumarate and Maleate Salts of 2-Aminopyridine.
(Int Union Crystallography, 2004)… -
5-chloro-6-(2-fluorobenzoyl)-1,3-benzoxazol-2(3H)-one
(Wiley-Blackwell, 2004)The title compound, C17H11ClFNO5, has a non-planar configuration. The crystal structure is stabilized by the formation of bifurcated N-H...O/O' hydrogen bonds involving the oxazole N atom and the two carbonyl O atoms of ... -
N '-(2,6-dimethylphenyl)-N-2-hydroxy-alpha-oxo-alpha-phenylacetamidine
(Int Union Crystallography, 2004)The structure of the title compound, C16H16N2O2, consists of a dimeric arrangement around an inversion centre of acetamidine molecules linked via O-H...N hydrogen bonds. There are also H...pi-ring interactions. All these ... -
3-(6-benzoyl-5-chloro-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl)propanoic acid
(Int Union Crystallography, 2004)…
