Makaleler

YAYINLARI

1. Okan Zafer Yeşilel, İnci İlker, Moamen S. Refat and Hiroyuki Ishida,“Syntheses and characterization of two Copper pyridine-dicarboxylate compounds containing water clusters”, Polyhedron, 2010, basımda.

2. Alper Tolga Çolak, Okan Zafer Yeşileland Orhan Büyükgüngör, “Synthesis, Structural Characterisation of Zinc(II)-pyridine-2,5- dicarboxylato Complexes and Self-Assembled 1D Water Cluster in a Supramolecular Architecture, Polyhedron, 2010, basımda.

3. Fatih Semerci, Okan Zafer Yeşilel, Ertan Şahin, “Cu(II) and Zn(II)-pyridine-2,3-dicarboxylate Complexes with 2-Methylimidazole: Syntheses, Crystal Structures, Spectroscopic and Thermal analyses” Journal of Inorganicand Organometallic Polymers and Materials, 2010, basımda.

4. Murat Taş, Okan Zafer Yeşilel, Orhan Büyükgüngör, “Novel Copper(II) Complexes of N-Phenylanthranilic Acid Containing Ethanol and Hydroxo Ligands” Journal of InorganicandOrganometallicPolymersandMaterials, 2010, basımda.

5. Alper Tolga Çolak, Okan Zafer Yeşileland Orhan Büyükgüngör, “Syntheses, crystal structures, spectroscopic and thermal analysis of zinc(II)-pyridine-2,5-dicarboxylate compounds”, Polyhedron, 2010, basımda.

6. Hakan Erer, Okan Zafer Yeşilel, Necmi Dege and Yelda Bingöl Alpaslan, “One Dimensional Coordination Polymer of Nickel(II)-Squarate with N,N,N',N'−Tetramethylethylenediamine, {[Ni(μ-sq)(H2O)2(tmen)]·H2O}n”,Journal of Inorganic and Organometallic Polymers and Materials, 2010, basımda.

7. Alper Tolga Çolak, Ferdağ Çolak, Okan Zafer Yeşilel, Demet Akduman, Filiz Yılmaz, Mehmet Tümer, Supramolecular Cobalt(II)-Pyridine-2,5-Dicarboxylato Complexes With Isonicotinamide, 2-Amino-3-Methylpyridine and 2-Amino-6-Methylpyridine: Syntheses, Crystal Structures, Spectroscopic, Thermal And Antimicrobial Activity Studies” Inorganica Chimica Acta, 2010 basımda.

8. Okan Zafer Yeşilel, Hakan Erer and Orhan Büyükgüngör, An unprecedented Coordination Mode of Orotate Ligand In Novel Polynuclear Cadmium(II) Orotate Complexes, Polyhedron, 2010, 29, 1815-1821.

9. Okan Zafer Yeşilel, Gökhan Kaştaş, Cihan Darcan, İnci İlker, Hümeyra Paşaoğlu and Orhan Büyükgüngör, Syntheses, Thermal Analyses, Crystal Structures and Antimicrobial Properties of Silver(I) Saccharinate Complexes With Diverse Diamine Ligands, Inorganica Chimica Acta 2010, 363 1849-1858.

10. Okan Zafer Yeşilel, Hakan Erer, Mustafa Odabaşoğlu and Orhan Büyükgüngör, A Novel Copper(II)-Hydrogen Oxalate Coordination Polymer Showing A New Coordination Mode, Journal of Inorganic and Organometallic Polymers and Materials, 2010, 20, 78-82.

11. Alper Tolga Çolak, Okan Zafer Yeşileland Orhan Büyükgüngör One-Dimensional Coordination Polymer of Zinc(II)-Pyridine-2,5-dicarboxylate with N,N-dimethylethylenediamine: Synthesis, Structural, Spectroscopic and Thermal Properties, Journal of Inorganic and Organometallic Polymers and Materials, 2010, 20, 26-31.

12. Hakan Erer, Okan Zafer Yeşilel and Orhan Büyükgüngör, “One-Dimensional Coordination Polymers of Co(II) and Cd(II)-Squarate with 2-Methylimidazole and 4(5)-Methylimidazole Ligands”, Polyhedron, 2010, 29, 1163-1167.

13. Moamen S. Refat, Lamia A. El-Zayat and Okan Zafer Yeşilel, “Synthesis and spectroscopic characterization of charge-transfer complexation of morpholine with chloranilic and picric acids in organic media and crystal structure of bis(morpholinium 2,4,6-trinitrocyclohexanolate)”, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2010, 75 745-752.

14. Okan Zafer Yeşilel, Aylin Mutlu, Cihan Darcan and Orhan Büyükgüngör, “Syntheses, Structural Characterization and Antimicrobial Activities of Novel Cobalt-Pyrazine-2,3-dicarboxylate Complexes with N-Donor Ligands”, J. Mol. Struc., 2010, 964, 39-46.

15. Alper Tolga Çolak, Demet Akduman, Okan Zafer Yeşileland Orhan Büyükgüngör, “Pyridine-2,5-dicarboxylic Acid Complexes of Nickel(II) with 2,2’-Bipyridine and 1,10-Phenanthroline: Syntheses, Crystal Structure, Spectroscopic and Thermal Studies”, Trans. Met. Chem., 2009, 34, 861-868.

16. Güneş Süheyla Kürkçüoğlu, Okan Zafer Yeşilel, İlkan Kavlakand Orhan Büyükgüngör, “Hetero-metallic Coordination Polymers: Syntheses, Vibrational Spectra, Thermal Analyses and Crystal Structures of trans-[M(N-Meim)2Ni(μ–CN)4]n (M = Cu(II), Zn(II) and Cd(II))”, Journal of InorganicandOrganometallicPolymersandMaterials, 2009, 19, 539–548.

17. Alper Tolga Çolak, Ferdağ Çolak, Demet Akduman, Okan Zafer Yeşileland Orhan Büyükgüngör, “Syntheses, Crystal Structures, Spectral and Thermal Analysis and Biological Activities of Copper(II)-Pyridine-2,5-dicarboxylate Complexes with 4-Methylimidazole, Imidazole, and 3,4-dimethylpyridine”, Solid State Scinces, 2009, 11, 1908-1918.

18. İnci İlker, Okan Zafer Yeşilel, Güneş Günay, Orhan Büyükgüngör,“Dinuclear and polynuclear Silver(I) saccharinate complexes with 1,3-diaminopropane and N-methylethylenediamine constructed from Ag···C interactions”, Journal of Organometallic Chemistry, 2009, 694, 4178–4184.

19. Güneş Süheyla Kürkçüoğlu, Okan Zafer Yeşilel, İlkay Çaylı and Orhan Büyükgüngör,Synthesis, crystal structure, vibrational spectra and thermal properties of the cyano-bridged heteronuclear polymeric complex [Cd(pea)2Ni(μ-CN)4]n, Z. Kristallogr., 2009, 224, 493-498.

20. Hümeyra Paşaoğlu, Gökhan Kaştaş, Okan Zafer Yeşilel and M. Hakkı Yıldırım, “[N-(2-Hydroxyethyl)ethylenediamine]oxalatocopper(II)”,  Acta Crystallogr.,2009, E65, m1337–m1338.

21. Alper Tolga Çolak, Ferdağ Çolak, Okan Zafer Yeşileland Orhan Büyükgüngör, “Synthesis, spectroscopic, thermal, voltammetric studies and biological activityof crystalline complexes of pyridine-2,6-dicarboxylic acid and 8-hydroxyquinoline”, J. Mol. Struc., 2009, 936, 67-74.

22. Hakan Erer, Okan Zafer Yeşilel, Cihan Darcan and Orhan Büyükgüngör, Synthesis, Spectroscopic, Thermal Studies, Antimicrobial Activities and Crystal Structures of Co(II), Ni(II), Cu(II) and Zn(II)-Orotate Complexes with 2-Methylimidazole, Polyhedron, 2009, 28, 3087–3093.

23. Okan Zafer Yeşilel, İnci İlker and Orhan Büyükgüngör, Three Copper(II) Complexes of Thiophene-2,5-Dicarboxylic Acid With Dissimilar Ligands: Synthesis, IR And UV-Vis. Spectra, Thermal Properties and Structural Characterizations, Polyhedron, 2009, 28, 3010–3016.

24. Okan Zafer Yeşilel, Hakan Erer and Orhan Büyükgüngör, Uncommon Coordination Modes of 4-Methylimidazole in [Zn(4─Meim)2(5─Meim)2]sq·3H2O, Inorg. Chem. Commun., 2009, 12, 724-727.

25 .Mustafa Serkan Soylu, Okan Zafer Yeşilel, Bünyamin Karabulut and Orhan Büyükgüngör, Syntheses, Spectral, Thermal and Structural Characterization of dinuclear and polynuclear Copper(II) Orotate Complexes, [Cu2(HOr)2(H2O)4] and [Cu(­-HOr)(ba)2]n, Polyhedron, 2009, 28, 2487-2493.

26. Güneş Süheyla Kürkçüoğlu, Okan Zafer Yeşilel, İlkan Kavlak, Sema Kurtaranand Orhan Büyükgüngör,Synthesis, characterization and crystal structure of a novel three-dimensional supramolecular network containing Ni···π interaction heteronuclear complex: {[Cu(4(5)-Meim)4][Ni(CN)4]·H2O}n, Journal of InorganicandOrganometallicPolymersandMaterials, 2009, 19, 314-321.

27. Okan Zafer Yeşilel, Hakan Erer, Mustafa Serkan Soylu and Orhan Büyükgüngör, Synthesis, Spectral, Thermal and Structural studies of Copper(II)-Squarate Coordination polymer with 2-Hydroxyethylpyridine, {[Cu(μ-sq)(etpy)2]·H2O}n, J. Coord. Chem., 2009, 62, 2438–2448.

28. Ersin Temel, Hakan Erer, Okan Zafer Yeşilel and Orhan Büyükgüngör, Diaquabis(1,3-propanediamine)nickel(II) squarate tetrahydrate, Acta Crystallogr. 2009, E65, m735-m736.

29. Alper Tolga Çolaka, Demet Akduman, Okan Zafer Yeşilel and Orhan Büyükgüngör, Synthesis, Crystal Structure, Spectroscopic and Thermal Characterization of bis(2-amino-3-methylpyridinium) diaquabis(pyridine dicarboxylato)nickelate(II) dihydrate (Hampy)2[Ni(pydc)2(H2O)2]·2H2O, Z. Kristallogr., 2009, 224, 207-212.

30. Okan Zafer Yeşilel, Hakan Erer, Necmi Dege and Orhan Büyükgüngör, Syntheses, Spectral, Thermal Studies and Crystal Structures of Vitamin B13 Complexes of Nickel(II) with N,N,N',N'−Tetramethylethylenediamine and 2,2-Dimethyl-1,3-Propanediamine, Z. Anorg. Allg. Chem., 2009,  635, 577-581.

31. Alper Tolga Çolak, Ferdağ Çolak, Okan Zafer Yeşileland Orhan Büyükgüngör, “Synthesis, Characterization, Crystal Structure and Biologic Activities of Supramolecular Compounds of Mn(II) and Zn(II) with Dipicolinic acid and 8-Hydroxyquinoline, J. Coord. Chem. 2009, 62, 1650-1660.

32. Güneş Süheyla Kürkçüoğlu, Okan Zafer Yeşilel, İlkan Kavlakand Orhan Büyükgüngör,Nickel(II)···πInteraction in [M(ampy)2Ni(μ–CN)2(CN)2]n (M = Zn(II) and Cd(II), ampy = 2-aminomethylpyridine): Syntheses, Vibrational Spectroscopy, Thermal Analyses and Crystal Structures of  Cyano-Bridged Heteronuclear Polymeric Complexes, J. Mol. Struc., 2009, 920, 220-226.

33. Güneş Süheyla Kürkçüoğlu, Okan Zafer Yeşilel, İlkan Kavlak and Orhan Büyükgüngör Synthesis, IR Spectrum, Thermal Analysis and Crystal Structure of cyano-bridged heteronuclear polymeric complex: [Zn(teta)Ni(­-CN)2(CN)2]n, Z. Anorg. Allg. Chem.,2009, 633, 175-178.

34. Okan Zafer Yeşilel, Aylin Mutlu and Orhan Büyükgüngör, “Novel Dinuclear and Polynuclear Copper(II)-Pyrazine-2,3-Dicarboxylate Supramolecular Complexes with 1,3-Propanediamine, N,N,N′,N′-Tetramethylethylenediamine and 2,2′-Bipyridine”, Polyhedron, 2009, 28, 437-444.

35. Okan Zafer Yeşilel, Hakan Erer, Aylin Mutlu and Orhan Büyükgüngör, “Coordination polymers of Mn(II) and Cu(II)-Orotate with 2-methylimidazole and N,N,N′,N′-tetramethylethylenediamine ligands: Syntheses, spectroscopic and thermal analyses and crystal structures of mer-[Mn(μ-HOr)(H2O)(2-meim)2]n and thermochromic {[Cu(μ-HOr)(tmen)]·1.5H2O}n complexes”, Polyhedron, 2009, 28, 150-156.

36. Güneş S. Kürkçüoğlu, Okan Zafer Yeşilel, İlkan Kavlakand Orhan Büyükgüngör, “Syntheses, Spectral and Thermal Analyses of Polymeric 2-methylpyrazinemetal(II) Complexes with Tetracyanonickelate ion and Crystal Structure of Supramolecular [Cd(H2O)(2mpz)Ni(μ-CN)4]n Complex”, Structural Chemistry 2008, 19, 879-888.

37. Okan Zafer Yeşilel, Aylin Mutlu, Cemil Öğretir and Orhan Büyükgüngör, “The first dinuclear orotate complex: Syntheses, spectral, thermal and structural characterization of supramolecular orotate complexes of nickel(II) and copper(II) with 2−Hydroxyethylpyridine, J. Mol. Struc., 2008, 889, 415-421.

38. Okan Zafer Yeşilel, Aylin Mutlu and Orhan Büyükgüngör, “Syntheses, spectral, thermal and structural characterization of copper(II) complexes of 2,3-pyrazinedicarboxylate with N,N′-dimethylethylenediamine and 1,10-phenanthroline, J. Coord. Chem.,2008, 61, 3267-3275.

39. Okan Zafer Yeşilel, Aylin Mutlu and Orhan Büyükgüngör “A new coordination mode of pyrazine-2,3-dicarboxylic acid and its the first monodentate complexes: Syntheses, spectral, thermal and structural characterization of [Cu(pzdca)(H2O)(en)2]·H2O and  [Cu(pzdca)(H2O)(dmpen)2]”, Polyhedron, 2008, 27, 2471-2477.

40. Güneş S. Kürkçüoğlu, Tuncer Hökelek, Okan Zafer Yeşileland Sabiha AKSAY “Synthesis, IR Spectrum, Thermal Property and Crystal Structure of Cyano-bridged heteronuclear polymeric complex, [Cd(teta)Ni(μ–CN)2(CN)2]·2H2O, Structural Chemistry 2008, 19, 493-499.

41. Alper Tolga Çolak, Okan Zafer Yeşilel, Tuncer Hökelek and Ertan Şahin, “Synthesis, Spectral and Thermal Properties and Crystal Structure of Catena−poly−μ−ethylenediamine(dipicolinato)zinc(II) trihydrate, {[Zn(dipic)(μ−en)]·3H2O}n, Structural Chemistry, 2008, 19, 285-290.

42. Okan Zafer Yeşilel, Cihan Darcan and Ertan Şahin, “The First Hydroxo-Bridged Saccharinate Complexes: Syntheses, Spectral, Thermal, Structural Characterization and Antimicrobial Activities of [Cu(μ-OH)(sac-N)(deten)]2·2H2O and [Cu(μ-OH)(sac-O)(tmen)]2”, Polyhedron, 2008, 27, 905–913

43. Okan Zafer Yeşilel, Mustafa Odabaşoğlu and Orhan Büyükgüngör, “Supramolecular Squarate and Hydrogensquarate Compounds with 4-Amino-1,2,4-triazole, 2-Aminothiazole and 2-Aminobenzimidazole”, J. Mol. Struc.,2008, 874, 151–158.

44. Moamen S. Refat, Lamia A. El-Zayat and Okan Zafer Yeşilel, “Synthesis and spectroscopic characterization of Piperidine/chloranil and Piperidine/7,7’,8,8’-tetracyanoquinodimethane charge transfer complexes: X-ray crystal structure of 7,7-dicyano-8,8-di-Piperidinoquinodimethane adduct”, Polyhedron, 2008, 27, 475-484.

45. Ghulam Qadeer, Nasim Hasan Rama, Murat Taş and Okan Zafer Yeşilel, “Ethyl 2-(3-methoxyphenyl)acetate”,Acta Crystallogr. 2007, E63, 04678.

46. Okan Zafer Yeşilel, Necmi Dege, Cihan Darcan, and Orhan Büyükgüngör, “Synthesis, Crystal Structure, Spectral and Thermal Characterization, and Antimicrobial Activity of [Cu(HOr)(aepy)(H2O)]·H2O (aepy = 2-aminoethylpyridine, HOr2- = orotate)”, Z. Naturforsch., 2007, 62b,1590-1594.

47. Hümeyra Paşaoğlu, Gökhan Kaştaş, Okan Zafer Yeşilel and Onur Şahin, “[N,N′-Bis(3-aminopropyl)ethylenediamine]disaccharinatocadmium(II) 0.25hydrate”, Acta Crystallogr. 2007, E63, m2953-m2954.

48. Hümeyra Paşaoğlu, Gökhan Kaştaş, Okan Zafer Yeşilel, Onur Şahin and Orhan Büyükgüngör, “[N,N′-Bis(3-aminopropyl)ethylenediamine] disaccharinatozinc(II) monohydrate”, Acta Crystallogr. 2007, E63, m2710-m2711.

49. Recep Bıyık, Recep Tapramaz, Okan Zafer Yeşilel, “EPR Spectra of Cu2+ Doped [Zn(sac)2(dmen)] and [Zn(sac)2(paen)] Single Crystals”, Spectrochim. Acta A, 2007, 68, 394–398.

50. Okan Zafer Yeşilel, Halis Ölmez and Cengiz Arıcı, “The First Bis(orotato−N, O) Cadmium Complex and Monodentate Protonated Ethylenediamine Ligands; Synthesis, Spectrothermal Properties of Cadmium(II)−Orotato Complex with Ethylenediamine. Crystal Structure of Trans−[Cd(HOr)2(enH)2]·2H2O and cis−[Cd(H2O)2(phen)2](H2Or)2·2H2O”,Polyhedron, 2007, 26, 3669-3674.

51. G. Qadeer, N. H. Rama, Murat Tas, Okan Zafer Yeşilel and W.Y. Wong, “3,4,5-Trimethoxybenzoic acid” Acta Crystallogr. 2007, E63, o3456-o3457.

52. Okan zafer Yeşilel, Hümeyra Paşaoğlu, Kamber Akdağ, and Orhan Büyükgüngör, “Synthesis, spectral, thermal and structural characterization of mer−triaquaorotatoquinoxalinecadmium(II) dihydrate”, Z. Anorg. Allg. Chem., 2007, 633, 1731-1734.

53. Okan Zafer Yeşilel, Halis Ölmez and Hasan İçbudak, “Orotic acid complexes of Co(II), Ni(II), Zn(II) and Cd(II) with imidazole: Syntheses, Spectroscopic and Thermal Studies”, J. Therm. Anal. Calorim., 2007, 89, 555-559.

54. Okan Zafer Yeşilel and Halis Ölmez, “Syntheses and spectrothermal studies of triethanolamine complexes of Co(II), Ni(II), Cu(II) and Cd(II) squarates”, J. Therm. Anal. Calorim., 2007, 89, 261-265.

55. Okan Zafer Yeşilel and Orhan Büyükgüngör The novel monomeric bis(orotate−N,O) supramolecular complex of manganese(II): Synthesis, spectrothermal properties and crystal structures of (enH2)[Mn(HOr)2(H2O)2]·2.5H2O”, Solid State Sciences, 2007, 9, 485-490.

56. Okan Zafer Yeşilel, H. Paşaoğlu, K. Akdağ ve O. Büyükgüngör, “The First Bis(orotato−N,O) Complex. Synthesis, Crystal Structure, Spectroscopic and Thermal Characterization of (chaH)2[Cu(HOr−N,O)2(cha)]·2H2O (cha = Cyclohexylamine and HOr = Orotate(2−))Polyhedron, 2007, 26, 2761-2766.

57. Okan Zafer Yeşilel, Gökhan Kaştaş and Orhan Büyükgüngör, “The novel polymeric potassium complex with a new coordination mode of orotic acid [K(μ5−H2Or)(μ−H2O)]n: Synthesis and structural characterization”, Inorganic Chemistry Communications, 2007, 10, 936-939.

58. Okan Zafer Yeşilel, H. Paşaoğlu, O. O. Yılan ve O. Büyükgüngör, “Syntheses, Spectral, Thermal and Structural Characterization of 2-Hydroxyanilinium and 2-Amino-3-hydroxypyridinium squarates”Z. Naturforsch.,2007, 62b, 823-828.

59. Okan Zafer Yeşilel, K. Akdağ, H. Paşaoğlu ve O. Büyükgüngör, “Synthesis, Spectral, Thermal and Structural Characterization of a Vitamin B13 Complex of Nickel(II) with 2-Aminothiazole, mer-[Ni(HOr)(H2O)2(ata)2] Z. Naturforsch., 2007, 62b, 818-822.

60. Okan Zafer Yeşilel, Halis Ölmez and Cengiz Arıcı, “Mer-Diaquabis(imidazole)(orotate)cobalt(II)”,Acta Crystallogr., 2007, C63, m240-m242.

61. Okan Zafer Yeşilel and E. Şahin, “Vitamin B13 Complexes of Nickel(II) and Copper(II) with Ethanolamine: Syntheses, Crystal Structure, Spectroscopic and Thermal Studies, Z. Anorg. Allg. Chem., 2007, 633, 1087-1093.

62. Bünyamin Karabulut, Mustafa Serkan Soylu, Okan Zafer Yeşilel, Fevzi Köksal, Halis Ölmez and Orhan Büyükgüngör, “Synthesis, X-ray crystal structure, X-band epr and optical absorption spectra of [Cu(H2O)2(imH)4]sq single crystals, Spectrochim. Acta A, 2007, 67, 240-245. 

63. Alper Tolga Çolak, Murat Taş, Gazi İrez, Okan Zafer Yeşilel and Orhan Büyükgüngör, “Syntheses, Spectral, Thermal and Structural Characterization of 2−phenyl−2−(1−hydroxyiminoethyl)−1,2,3,4−tetrahydroquinazoline and Its Novel Ni(II) Complex”,  Z. Anorg. Allg. Chem., 2007, 633, 504-508.

64. Okan Zafer Yeşilel, Mustafa Serkan Soylu, Halis Ölmez and Orhan Büyükgüngör, Synthesis and Spectrothermal Studies of Vitamin B13 Complexes of Cobalt(II) and Nickel(II) with 4-Methylimidazole. Crystal Structure of [Ni(HOr)(H2O)(4-Meim)3]2⋅5H2O, Polyhedron, 2006, 25, 2985-2992.

65. Okan Zafer Yeşilel and Halis Ölmez, Spectrothermal studies of the 1,10-phenanthroline complexes of Co(II), Ni(II), Cu(II) and Cd(II) orotates, J. Therm. Anal. Calorim., 2006, 86. 211-216.

66. Okan Zafer Yeşilel, Mustafa Odabaşoğlu, Halis Ölmez and Orhan Büyükgüngör, “Supramolecular Organization of Organoammonium Squarates”, Z. Naturforsch., 2006, 61b, 1243-1248.

67. Okan Zafer Yeşilel, Hümeyra Paşaoğlu, Gökhan Kaştaş, Halis Ölmez and Orhan BüyükgüngörSynthesis, Crystal Structure, Spectral and Thermal Studies of a New Organic−Inorganic Hybrid Cobalt(II) Complex of 2,2′−Bipyridine and Nitrate with Squarate”, Z. Naturforsch., 2006, 61b, 1249-1253.

68. Zerrin Heren, Cem Keser, Cem Cüney Ersanlı, Okan Zafer Yeşilel and Orhan Büyükgüngör, Synthesis, Spectral and Thermal Studies, and Crystal Structure of  cis−bis(imidazole)bis(picolinato)copper(II) dihydrate, [Cu(pic)2(im)2]⋅2H2O Z. Naturforsch., 2006, 61b, 1072-1078.

69. Okan Zafer Yeşilel, Halis Ölmez, Ozan Yılan, Hümeyra Paşaoğlu, and Orhan Büyükgüngör,Syntheses, Crystal Structure, Spectral, and Thermal Studies of 1,10-Phenanthroline and Picolinamide Complexes of Cobalt(II) Squarate, Z. Naturforsch., 2006, 61b, 1094-1100.

70. Zerrin Heren, Cem Keser, C. Cüneyt Ersanlı, Okan. Z Yeşilel and Nazan Ocak,Synthesis, Spectrothermal Studies and Crystal Structure of cis─bis(4-methylimidazole)bis(picolinato)copper(II), Z. Naturforsch., 2006, 61b, 1217-1221.

71. Okan Zafer Yeşilel, Spectrothermal Properties and Crystal Structure of Polynuclear μ−Squarato(O1,O3)Bis(Monoethanolamine)Copper(II) Complex, [Cu(μ−sq)(mea)2]n, J. Coord. Chem., 2006, 59, 1675-1684.

72. Zerrin Heren, Hümeyra Paşaoğlu, Gökhan Kaştaş, Cem Keser, Okan Zafer Yeşilel and Orhan Büyükgüngör,The Novel Polymeric Complex of Mn(II) with Picolinic Acid, [Mn(pic)2]n. A New Coordination Mode for Picolinic Acid, Z. Anorg. Allg. Chem., 2006, 632, 1578-1581.

73. Okan Zafer Yeşilel, Halis Ölmez and Serkan Soylu, Synthesis and spectrothermal studies of thermochromic diamine complexes of cobalt(III), nickel(II) and copper(II) squarate. Crystal structure of [Co(en)3](sq)1.5·6H2O, Trans. Met. Chem., 2006, 31, 396-404.

74. Okan Zafer Yeşilel, Halis Ölmez, Hümeyra Paşaoğlu, Gökhan Kaştaş and Orhan Büyükgüngör, Synthesis, spectral, thermal and structural characterization of copper(II) saccharinato complex of 2-aminopyrimidine, [Cu(sac-O)2(ampym-N)2(H2O)2]⋅2ampym, Z. Naturforsch., 2006, 61b, 153-158.

 75. Okan Zafer Yeşilel, İbrahim Uçar, Ahmet Bulut, Halis Ölmez and Orhan Büyükgüngör, Synthesis, Crystal Structure, Spectral and Thermal Characterization of Diaquabis(1,10−phenanthroline)zinc(II) diorotate hydrate, cis-[Zn(H2O)2(phen)2](H2Or)2·(H2O)2.125, Z. Naturforsch., 2006, 61b, 147-152.

76. Okan Zafer Yeşilel,Halis Ölmez, Hasan İçbudak and Orhan Büyükgüngör, Synthesis, Crystal Structure and Thermal Properties of Copper(II) Orotato Complexes with 2,2'-Bipyridin, Z. Naturforsch., 2005, 60b, 1138-1142.

77. Okan Zafer Yeşilel, Halis Ölmez, İbrahim Uçar, Ahmet Bulut and Canan Kazak, Synthesis, Spectrothermal Behavior and Molecular Structure of aquaorotatotriethanolaminenickel(II) Monohydrate, Z. Anorg. Allg. Chem., 2005, 631, 3100-3103.

78. Okan Zafer Yeşilel and Halis Ölmez, Novel cobalt(II), nickel(II) and copper(II) complexes of neutral orotic acid. Synthesis, spectroscopic and thermal studies, Trans. Met. Chem., 2005, 30, 992-997.

79. Okan Zafer Yeşilel, Fatma Tezcan, Halis Ölmez, Hümeyra Paşaoğlu, and Orhan Büyükgüngör, Synthesis, Crystal Structure and Spectrothermal Analysis Of Mer–Triaquanicotinamide-Orotato Cobalt(II) Trihydrate, Z. Anorg. Allg. Chem., 2005, 631, 2497-2500.

80. İbrahim Ucar, Okan Zafer Yeşilel, Ahmet Bulut, Halis Ölmez and Orhan Büyükgüngör, Tris(1,10-phenanthroline)nickel(II) squarate octahydrate, Acta Cryst., 2005, E61, m947-m949.

81. İbrahim Uçar, Ahmet Bulut, Okan Zafer Yeşilel, Mustafa Odabaşoğlu, and Orhan Büyükgüngör, 3-Acetoxy-2-(acetylamino)pyridinium-1-squarate, Acta Cryst., 2005, C61, o148–o150.

82. İbrahim Ucar, Ahmet Bulut, Okan Zafer Yeşilel, Halis Ölmez and Orhan Büyükgüngör, Diaquabis(pyridine-2-carboxamide-κ2N1,O2)copper(II) squarate, Acta Cryst., 2004, E60, m1945-m1948.

83. Esat Bozkurt, İbrahim Kartal, Bünyamin Karabulut, Okan Zafer Yeşilel, EPR studies of Cu2+-doped bis(saccharinato)bis(pyridine)zinc(II) single crystals, Appl. Magn. Reson., 2004, 26, 275-282.

84. Ahmet Bulut, İbrahim Uçar, Okan Zafer Yeşilel, Hasan İçbudak, Halis Ölmez and Orhan Büyükgüngör, Bis(1,10-phenanthroline-κ2N,N′)(squarato-κO)copper(II) trihydrate, Acta Cryst., 2004, C60, m526–m528.

85. İbrahim Uçar, Ahmet Bulut, Okan Zafer Yeşilel, Halis Ölmez and Orhan Büyükgüngör, mer-Diaquabis(1H-imidazole-κ3)(orotato-)-κ2N3,O4)nickel(II), Acta Cryst., 2004, C60, m563–m566.

86. İbrahim Ucar, Okan Zafer Yeşilel, Ahmet Bulut, Hasan İçbudak, Halis Ölmez and Canan Kazak, A capped trigonal prismatic cadmium complex with tetra- and tridentate ligands: bis(triethanolamine)-κ3N,O,O′;κ4N,O,O′,O′′-cadmium(II) squarate monohydrate, Acta Cryst., 2004, C60, m392-m394. 

87. İbrahim Uçar, Ahmet Bulut, Okan Zafer Yeşilel and Orhan BüyükgüngörPicolinamidium squarate and di-p-toluidinium squarate dehydrate, Acta Cryst., 2004, C60, o585–o588.

88. İbrahim Uçar, Okan Zafer Yeşilel, Ahmet Bulut, Halis Ölmez and Orhan Büyükgüngör, Diaquabis(N,N-dimethylethylenediamine-κ2-N,N')copper(II) squarate, Acta Cryst., 2004, E60, m1025–m1027.

89. Hümeyra Paşaoğlu, Fatma Tezcan, Okan Z. Yeşilel, Halis Ölmez, Hasan İçbudak and Orhan Büyükgüngör, Diaquabis(pyridine-2-carboxamide-κ2N1,O2)nickel(II) disaccharinate tetrahydrate, Acta Cryst., 2004, C60, m335–m337.

90. Halis Ölmez, Hasan Içbudak, Okan Zafer Yeşilel, Cengiz Arıcı and Dinçer ÜlküSynthesis, spectroscopy, thermal behaviour and molecular structure of orotatotriethanolaminecopper(II) monohydrate, Z. Kristallogr., 2004, 219, 300–304.

91. İbrahim Ucar, Okan Zafer Yeşilel, Ahmet Bulut, Hasan İçbudak, Halis Ölmez and Canan Kazak, Bis(triethanolamine-κ3 N,O,O′)copper(II) squarate, Acta Cryst., 2004, E60, m322–m324.   

92. Okan Zafer Yeşilel, Ahmet Bulut, İbrahim Uçar, Hasan İçbudak, Halis Ölmez and Orhan Büyükgüngör, Bis(triethanolamine-κ3N,O,O′)nickel(II) squarate, Acta Cryst., 2004, E60, m228-m230.

93. Ahmet Bulut, Okan Zafer Yeşilel, Necmi Dege, Hasan İçbudak, Halis Ölmez and Orhan Büyükgüngör, Dinicotinamidium squarate, Acta Cryst., 2003, C59, o727–o729.

94. Ahmet Bulut, Hasan İçbudak, Okan Zafer Yeşilel, Halis Ölmez and Orhan Büyükgüngör, Diaquabis(1,10-phenanthroline)cobalt(II) diorotate 2.25-hydrate, Acta Cryst., 2003, E59, m736–m738.

95. Hasan İçbudak, Halis Ölmez, Okan Z. Yeşilel, Figen Arslan, Pance Naumov, Gligor Jovanovski, Abdul Razak Ibrahim, Anwar Usman, Hoong-Kun Fun, Suchada Chantrapromma, Seik Weng Ng, Syntheses, characterization and crystal structures of novel amine adducts of metal saccharinates, orotates and salicylates. J. Mol. Struc., 2003, 657, 255-270.

96. Okan Z. Yeşilel, Hasan İçbudak, Halis Ölmez and Pance Naumov, Spectroscopic and Thermal Studies of bis(N,N ́-Dimethyletylenediamine) and bis(N,N-Dimethylethylenediamine)saccharinato Complexes of Co(II), Ni(II) and Cu(II), Synth. React. Inorg. Met.-Org. Chem., 2003, 33, 77-90.

97. Halis Ölmez, Okan Zafer Yeşilel, Hasan İçbudak, Thermal studies on solid complexes of uracil with some divalent transition metal ions, J. Therm. Anal. Calorim., 2001, 63, 105–116.