Yazar "Tanak, Hasan" için listeleme
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1-Benzoylmethyl-3-(2-thienylmethyl)-4-(2-thienylmethyleneamino)-1H-1,2,4-triazol-5(4H)-one
Tanak, Hasan; Yavuz, Metin; Lagap, Zeliha; Büyükgüngör, Orhan (Int Union Crystallography, 2010)In the title compound, C20H16N4O2S2, one of the thiophene rings is disordered [occupancy ratio 0.710 (4): 0.290 (4)] and the disorder is of the flip type. An intramolecular C-H center dot center dot center dot O hydrogen ... -
2-[(2,4-Dimethylphenyl)iminomethyl]-3,5-dimethoxyphenol
Tanak, Hasan; Alpaslan, Yelda Bingoel; Yavuz, Metin; Agar, Erbil; Ersahin, Ferda; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)X-ray analysis reveals that the title Schiff base compound, C(17)H(19)NO(3), possesses both OH and NH tautomeric character in its molecular structure. The occupancies of the enol and keto tautomers are 0.62 (3) and 0.38 ... -
2-[(2,4-Dimethylphenyl)iminomethyl]-6-methylphenol
Tanak, Hasan; Ersahin, Ferda; Agar, Erbil; Yavuz, Metin; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)The title compound, C16H17NO, is a Schiff base which adopts the phenol-imine tautomeric form in the solid state. The molecule is almost planar, with a dihedral angle of 4.61 (4)degrees between the aromatic rings. The ... -
2-[(E)-(2-Morpholinoethyl)iminiomethyl]-4-nitro-1-oxocyclohexadienide
Alpaslan, Yelda Bingoel; Tanak, Hasan; Agar, Erbil; Ersahin, Ferda (Int Union Crystallography, 2009)The molecule of the title compound, C13H17N3O4, exists as a zwitterion, with the H atom of the phenol group being transferred to the imine N atom. The C=O, C-Ar-C-Ar and C-N bond lengths are in agreement with the ... -
2-Amino-4-nitrophenol monohydrate
Tanak, Hasan; Ersahin, Ferda; Yavuz, Metin; Büyükgüngör, Orhan (Int Union Crystallography, 2010)The title compound, C6H6N2O3 center dot H2O, crystallizes with two formula units in the asymmetric unit. The molecules are essentially planar with the nitro groups twisted slightly out of the ring planes [maximum deviations ... -
2-Ethyl-N-[(5-nitrothiophen-2-yl)methylidene]aniline
Ceylan, Umit; Tanak, Hasan; Gumus, Sumeyye; Agar, Erbil (Wiley-Blackwell, 2011)In the title compound, C13H12N2O2S, the dihedral angle between the benzene and thiophene rings is 36.72 (8)degrees. An intermolecular C-H center dot center dot center dot pi interaction contributes to the stability of the ... -
2-Hydroxy-5-nitrobenzaldehyde
Tanak, Hasan; Macit, Mustafa; Yavuz, Metin; Isik, Samil (Wiley-Blackwell, 2009)The title compound, C(7)H(5)NO(4), is essentially planar, with a maximum deviation from the mean plane of 0.0116 (11) angstrom for the hydroxy O atom. The molecular and crystal structure are stabilized by intra-and ... -
(2-Hydroxyethyl)triphenylphosphonium chloride
Ceylan, Umit; Tanak, Hasan; Turkkan, Ercan; Dereli, Omer; Büyükgüngör, Orhan (Wiley-Blackwell, 2011)In the crystal structure of the title compound, C20H20OP+center dot Cl-, the cations and anions are linked by intermolecular CH center dot center dot center dot Cl and O-H center dot center dot center dot Cl hydrogen bonds ... -
2-Methyl-6-[2-(trifluoromethyl)phenyliminomethyl]phenol
Tanak, Hasan; Yavuz, Metin; Büyükgüngör, Orhan (Wiley-Blackwell, 2009)The title compound, C(15)H(12)F(3)NO, is a Schiff base which adopts the phenol-imine tautomeric form in the solid state. The dihedral angle between the aromatic rings is 38.79 (5)degrees. The molecular structure is stabilized ... -
4-(2,3-Dihydroxybenzylideneamino)-3-methyl-1H-1,2,4-triazol-5(4H)-one
Tanak, Hasan; Koysal, Yavuz; Yavuz, Metin; Isik, Samil; Gul, Guelsah (Wiley-Blackwell, 2009)All the non-H atoms of the title compound, C(10)H(10)N(4)O(3), are almost coplanar, the maximum deviation from planarity being 0.065 (3) angstrom. The dihedral angle between the aromatic rings is 1.66 (6)degrees. The ... -
4-(4-Methoxyphenethyl)-3-methyl-1H-1,2,4-triazol-5(4H)-one
Koysal, Yavuz; Tanak, Hasan; Unluer, Dilek; Isik, Samil (Int Union Crystallography, 2010)The dihedral angle between the two rings in the title compound, C12H15N3O2, is 49.03 (1)degrees. The crystal structure is stabilized by intermolecular N-H...O and C-H...O hydrogen bonds and pi-pi stacking interactions ... -
5-Benzyl-4-[3-(1H-imidazol-1-yl)propyl]-2H-1,2,4-triazol-3(4H)-ones: Synthesis, spectroscopic characterization, crystal structure and a comparison of theoretical and experimental IR results by DFT calculations
Unver, Yasemin; Sancak, Kemal; Tanak, Hasan; Degirmencioglu, Ismail; Dugdu, Esra; Er, Mustafa; Isik, Samil (Elsevier, 2009)The synthesis and structural properties of novel compounds, 5-Benzyl-4-[3-(1H-imidazol-1-yl)propyl]-2H-1,2,4-triazol-3(4H)-ones (3a-c) have been described. These products were obtained by the reaction of ethyl 2-[1-ethox ... -
A combined experimental (XRD, FT-IR, and UV-Vis) and DFT computational studies on (E)-N-[4-bromo-2-(trifluromethoxy) phenyl]-1-(5-nitrothiophen-2-yl) methanimine
Tanak, Hasan; Kocak, Figen; Agar, Erbil (Taylor & Francis Ltd, 2016)(E)-N-[4-bromo-2-(trifluromethoxy)phenyl]-1-(5-nitrothiophen-2-yl)methanimine, an organic Schiff base compound has been synthesised and characterised by FT-IR, UV-Vis, and X-ray single-crystal determination. The molecular ... -
Combined Experimental and Computational Modeling Studies on 4-[(2-Hydroxy-3-methylbenzylidene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
Tanak, Hasan; Agar, Aysen; Yavuz, Metin (Wiley, 2011)The Schiff base compound, 4-[(2-hydroxy-3-methylbenzylidene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, has been synthesized and characterized by IR, UV-vis, and X-ray single-crystal determination. Molecular ... -
Combined experimental and DFT computational studies on (E)-1-(5-nitrothiophen-2-yl)-N-[4-(trifluoromethyl)phenyl] methanimine
Tanak, Hasan; Agar, Aysen Alaman; Büyükgüngör, Orhan (Elsevier, 2013)The Schiff base compound (E)-1-(5-nitrothiophen-2-yl)-N-[4-(trifluoromethyl)phenyl] methanimine has been synthesized and characterized by IR, UV-Vis, and X-ray single-crystal determination. The molecular geometry from X-ray ... -
Crystal and Molecular Structure of 2-(4-Ethoxyphenyl)isoindoline-1,3-dione
Duru, Gulcan; Evecen, Meryem; Tanak, Hasan; Agar, Erbil (Pleiades Publishing Inc, 2018)The 2-(4-ethoxyphenyl)isoindoline-1,3-dione has been synthesized and characterized by X-ray single-crystal diffraction. The compound crystallizes in the orthorhombic sp. gr. Pna2(1) with four molecules in the unit cell and ... -
Crystal and Molecular Structure of 3,5-Diphenyl-4,5-dihydro-2-phenylcarboxamide-1H-pyrazole
Tanak, Hasan; Ilhan, Ilhan Ozer; Dege, Necmi; Akin, Nazenin; Saripinar, Emin (Maik Nauka/Interperiodica/Springer, 2017)Crystal structure of the title compound C22H19N3O is determined by single crystal X-ray diffraction (sp. gr. P2(1)/c, Z = 4). The molecule as a whole, is not planar: phenyl cycles are rotated relative to the plane of ... -
Crystal and Molecular Structure of N-(Phenylthio)phthalimide(1)
Tanak, Hasan; Yakan, Hasan; Kutuk, Halil; Karakullukcu, Nalan Turkoz; Dege, Necmi (Pleiades Publishing Inc, 2018)The title compound N-(Phenylthio)phthalimide has been synthesized and characterized by FT-IR, NMR, and X-ray single-crystal determination. The compound crystallizes in the triclinic sp. gr. P & Unknown; with Z= 2. The title ... -
Crystal structure and DFT computational studies of (E)-2,4-di-tert-butyl-6-{[3-(trifluoromethyl)benzyl]-iminomethyl}phenol
Kaynar, Nihal Kan; Tanak, Hasan; Macit, Mustafa; Özdemir, Namık (Int Union Crystallography, 2020)The title compound, C23H28F3NO, is an ortho-hydroxy Schiff base compound, which adopts the enol-imine tautomeric form in the solid state. The molecular structure is not planar and the dihedral angle between the planes of ... -
Crystal structure of (E)-3-fluoro-N-((5-nitrothiophen-2-yl)methylene)aniline
Karatas, Aadiye; Tanak, Hasan; Agar, Aysen Alaman (Maik Nauka/Interperiodica/Springer, 2016)The structure of the title compound C11H7FN2O2S was characterized by single crystal X-ray diffraction. The compound crystallizes in the monoclinic space group P2(1)/n with Z = 12, i.e. with three molecules in asymmetric ...
