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(2,9-Dimethyl-1,10-phenanthroline-kappa N-2,N ')(pyridine-2,6-dicarboxylato-kappa O-3(2),N,O-6)copper(II) trihydrate
Ucar, I; Bulut, A; Büyükgüngör, Orhan (Blackwell Publishing, 2005)… -
3-acetoxy-2-(acetylamino)pyridinium-1-squarate
Ucar, I; Bulut, A; Yeşilel, Orkan Zafer; Odabasogly, M; Büyükgüngör, Orhan (Blackwell Munksgaard, 2005)The title compound, alternatively known as 3-acetoxy-2-(acetylamino)pyridinium betaine of squaric acid, C13H10N2O6, has been synthesized. The bond distances within the squarate ring indicate two possible resonance structures. ... -
Aquadichloro(di-2-pyridyidiazene)-copper(II) monohydrate
Ucar, I; Arslan, F; Bulut, A; Icbudak, H; Olmez, H; Büyükgüngör, Orhan (Int Union Crystallography, 2004)The crystal structure of the mononuclear title complex, [CuCl2(C10H8N4)(H2O)] . H2O, shows an s-cis/E/s-trans-configured di-2-pyridyldiazene ligand, with the square-pyramidal Cu-II ion coordinated to one pyridyl and one ... -
A bicapped trigonal-prismatic lead complex: catena-poly[[[aquabis(1,10-phenanthroline-kappa N-2,N ')lead(II)]-mu-squarato-kappa O-1 :kappa O-2(2),O-3] dihydrate]
The asymmetric unit of the title compound, {[Pb(C4O4)(C12H8N2)(2)(H2O)]center dot 2H(2)O}(n), contains one squarate dianion, two phenanthroline (phen) ligands and one aqua ligand all coordinated to Pb, and two solvent water ... -
Bis(1,10-phenanthroline-kappa N-2,N ')(squarato-kappa O)copper(II) trihydrate
Bulut, A; Ucar, I; Yeşilel, Orkan Zafer; Icbudak, H; Olmez, H; Büyükgüngör, Orhan (Int Union Crystallography, 2004)The title mononuclear [Cu(sq)(phen)(2)] . 3H(2)O complex [ sq is squarate (C4O4) and phen is 1,10-phenanthroline (C12H8N2)] has been synthesized and the structure consists of a neutral mononuclear [ Cu( sq)( phen) 2] unit ... -
Bis(2,9-dimethyl-1,10-phenanthroline-kappa N-2,N ')copper(I) hydrogen squarate hemihydrate
Ucar, I; Bulut, A; Büyükgüngör, Orhan (Int Union Crystallography, 2005)In the crystal structure of the synthetically prepared title compound, [Cu(C14H12N2)(2)](C4HO4) center dot 0.5H(2)O or [Cu(dmphen) (2)](HSq) center dot 0.5H(2)O (dmphen is 2,9-dimethyl- 1,10-phenanthroline or neocuproine ... -
Bis(acesulfamato)tetraaquacobalt(II)
Icbudak, H; Bulut, A; Cetin, N; Kazak, C (Int Union Crystallography, 2005)The crystal structure of the first acesulfame - metal complex, namely tetraaquabis[6-methyl-1,2,3-oxathiazin-4(3H)-onato 2,2-dioxide-kappaN] cobalt(II), [Co(C4H4NO4S)(2)(H2O)(4)], is reported. The Co-II ion resides on a ... -
Bis(acesulfamato-kappa N-2(3),O-4)bis(2-aminopyrimidine-kappa N-1)copper(II)
Bulut, A; Icbudak, H; Sezer, G; Kazak, C (Blackwell Munksgaard, 2005)In the crystal structure of the title compound, bis(2-amino-pyrimidine-κ N-1)bis[6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide(1-)-κN-2(3),O-4]copper(II), [Cu(C4H4NO4S)(2)(C4H5N3)(2)], the first mixed-ligand ... -
Bis(triethanolamine-kappa N-3,O,O ')copper(II) squarate
Ucar, I; Yeşilel, Orkan Zafer; Bulut, A; Icbudak, H; Olmez, H; Kazak, C (Int Union Crystallography, 2004)… -
Bis(triethanolamine-kappa N-3,O,O ')nickel(II) spuarate
Yeşilel, Orkan Zafer; Bulut, A; Ucar, I; Icbudak, H; Olmez, H; Büyükgüngör, Orhan (Int Union Crystallography, 2004)The crystal structure determination of the title compound, [Ni(C6H15NO3)(2)](C4O4), is reported; the squarate dianion is located on an inversion centre and a supramolecular architecture is formed. All the O atoms of the ... -
Bis[N-(2-hydroxyethyl)ethylenediamine-kappa N-3,N ',O]nickel(II) squarate monohydrate
In the title compound, [Ni(C4H12N2O)(2)](C4O4)center dot H2O or [Ni(Hydet-en)(2)](Sq)center dot H2O, where Hydet-en is N-(2-hydroxy-ethyl) ethylenediamine and Sq is the squarate dianion, the Ni-II centre has a distorted ... -
A capped trigonal prismatic cadmium complex with tetra- and tridentate ligands: bis(triethanolamine)-kappa N-3,O,O ';kappa N-4,O,O ',O ''-cadmium(II) squarate monohydrate
Ucar, I; Yeşilel, Orkan Zafer; Bulut, A; Icbudak, H; Olmez, H; Kazak, C (Int Union Crystallography, 2004)In the crystal structure of the title compound, [Cd(C6H15NO3)(2)](C4O4).H2O, a supramolecular structure is observed. The asymmetric unit consists of one unit of the cationic Cd complex, one water molecule and two half-squarate ... -
catena-Poly[[[diaquabis(pyridine-4-carboxamide-kappa N)copper(II)]-mu(2)-squarato-kappa O-1 : O-3] dihydrate]
Ucar, I; Bulut, A; Büyükgüngör, Orhan (Int Union Crystallography, 2005)The asymmetric unit of the title compound, {[Cu(C4O4)(C-6-H6N2O),(H2O)(2)]center dot 2H(2)O}(n), consists of one pyridine-4-carboxamide (isonicotinamide or ina) ligand, one-half of a squarate dianion, a coordinated aqua ... -
Diapuabis(1,10-phenanthroline)cobalt(II) diorotate 2.25-hydrate
Bulut, A; Icbudak, H; Yeşilel, Orkan Zafer; Olmez, H; Büyükgüngör, Orhan (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 ... -
Diaquabis(N,N-dimethylethylenediamine-kappa N-2,N ')copper(II) squarate
Ucar, I; Yeşilel, Orkan Zafer; Bulut, A; Olmez, H; Büyükgüngör, Orhan (Int Union Crystallography, 2004)The crystal structure determination of the title compound, [Cu(C4H12N2)(2)(H2O)(2)](C4O4), is reported. It adopts an elongated octahedral trans-[CuN4O2] coordination geometry with the Cu-II atom located at a centre of ... -
Diaquabis(pyridine-2-carboxamide-kappa N-2(1),O-2)copper(II) squarate
Ucar, I; Bulut, A; Yeşilel, Orkan Zafer; Olmez, HI; Büyükgüngör, Orhan (Blackwell Munksgaard, 2004)The title compound, [Cu(C6H6N2O)(2)(H2O)(2)](C4O4) [or Cu(pia)(2)(H2O)(2).Sq, where pia is picolinamide or pyridine-2-carboxyamide, and Sq is the squarate dianion, (C4O4)(2-)], has been synthesized and the crystal structure ... -
Dinicotinamidium squarate
Bulut, A; Yeşilel, Orkan Zafer; Dege, N; Icbudak, H; Olmez, H; Büyükgüngör, Orhan (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 ... -
EPR studies of Cu2+ in dl-aspartic acid single crystals
Karabulut, B; Tapramaz, R; Bulut, A (Verlag Z Naturforsch, 1999)EPR studies of Cu2+ doped dl-Aspartic Acid [NH2CH(CH2COOH)COO] powder and single crystal have been carried out at 113 and 300 K. The principal hyperfine and g values, covalancy parameter, mixing coefficients and Fermi-contact ... -
EPR studies of gamma-irradiated taurine single crystals
Bulut, A; Karabulut, B; Tapramaz, R; Koksal, F (Pergamon-Elsevier Science Ltd, 2000)An EPR study of gamma-irradiated taurine [C2H7NO3S] single crystal was carried out at room temperature. The EPR spectra were recorded in the three at mutually perpendicular planes. There are two magnetically distinct sites ... -
EPR studies of VO2+ in Ba(ClO4)(2)center dot 3H(2)O single crystals
Yavuz, M; Kalkan, H; Bulut, A; Atalay, S; Oztekin, E (Verlag Z Naturforsch, 1997)The results of an electron paramagnetic resonance (EPR) study of vanadyl ion VO2+ doped in single crystals of Ba (ClO4)(2) . 3H(2)O are reported. The spectra indicated the presence of two substitutional and interstitial ...