Browsing by Author "Asker, Erol"
Now showing items 1-20 of 36
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1,3-bi-9-anthrylpropane
Arslan, Mustafa; Asker, Erol; Masnovi, John; Baker, Ronald J. (Blackwell Publishing, 2007)The title compound, C31H24, with three molecules in the asymmetric unit. The crystal packing is mainly stabilized by weak C - H-...pi interactions in addition to van der Waals forces. -
1,3-Bis(9-ethylcarbazol-3-yl)propane
Asker, Erol; Masnovi, John (Blackwell Publishing, 2005)In the title compund, C31H30N2, pi-pi overlap is absent in the region where carbazole groups of two adjacent molecules are inclined toward each other. The ethyl groups which protrude from the plane of the carbazole groups ... -
1,4-Di-9-anthrylbutane
Arslan, Mustafa; Asker, Erol; Masnovi, John; Baker, Ronald J. (Blackwell Publishing, 2007)In the title compound, C32H26, the molecule has an inversion centre at the mid-point of the central C-C bond. Weak intermolecular C-H center dot center dot center dot pi interactions help to stabilize the crystal structure. -
10,10 '-Dinitro-10,10 '-(butane-1,4-diyl)dianthracen-9(10H)-one
Arslan, Mustafa; Asker, Erol; Masnovi, John; Baker, Ronald J. (Blackwell Publishing, 2006)The title compound, C32H24N2O6, was obtained as the decomposition product of (E,E)-1,4-bis[9,10-dihydro-9-nitro-10-(trinitromethyl)-9-anthryl]butane, which was synthesized via a photochemical reaction of 1,4-bis(9-anthryl)butane ... -
10,10 '-dinitro-10,10 '-(propane-1,3-diyl)di-10H-anthracen-9-one
Arslan, Mustafa; Asker, Erol; Masnovi, John; Baker, Ronald J. (Blackwell Publishing, 2006)The title compound, C31H22N2O6, was obtained as the decomposition product of (E, E)-1,3-bis[9,10-dihydro-9-nitro10-(trinitromethyl)-9-anthryl] propane, which was synthesized via a photochemical reaction of 1,3-di-9-anthrylpropane ... -
A 2 : 1 complex of 1,3-bis(9H-carbazol-9-yl)propane and tetrachloro-p-benzoquinone (p-chloranil)
Arslan, Mustafa; Asker, Erol; Krafcik, Randolph B.; Masnovi, John; Baker, Ronald J. (Blackwell Publishing, 2006)In the title electron donor-acceptor complex, C27H22N2 center dot-0.5C(6)Cl(4)O(2), the p-chloranil molecule lies on a crystallographic inversion center, which is located at the center of the benzene ring. In the crystal ... -
3,3'-[(E)-eten-1,2-diil]di(9-heksil-9H-karbazol) bileşiğinin sentezi, X-ışını yapı tayini ve teorik yapı tahmini
Asker, Erol; Zeybek, Orhan; Filiz, Fahrettin (2016)3,3'-[(E)-eten-1,2-diil]di(9-heksil-9H-karbazol) bileşiği 9H-karbazoldan çıkarak üç basamakta sentezlenmiş ve yapısı spektroskopik yöntemlerle aydınlatılmıştır. Kristal yapısı monoklinik uzay grubu P21/c'de çözülmüş ve ... -
5,3 '-Dihydroxy-3,6,7,4 '-tetramethoxyflavone
Asker, Erol; Akın, Sebahat; Hökelek, Tuncer (Blackwell Publishing, 2006)The title compound [systematic name: 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6,7- trimethoxychromen-4-one (casticin)], C19H18O8, was isolated from the seeds of Vitex agnus-castus L. The fused chromene ring system and the ... -
9,9 '-Diethyl-3,3 '-di-9H-carbazolyl
Asker, Erol; Masnovi, John (Blackwell Publishing, 2006)In the title compound, C28H24N2, the carbazole ring systems are essentially planar to within 0.076 (3) angstrom. The dihedral angle between the planes of the ring systems is 40.38 (4)degrees. The contribution of intermolecular ... -
9-Ethyl-3-(9H-9-ethylcarbazol-3-yl)-4-nitro-9H-carbazole
Asker, Erol; Masnovi, John (Blackwell Publishing, 2006)In the molecule of the title compound, C28H23N3O2, the nitro group is almost perpendicular to the carbazole ring to which it is attached. The crystal packing is determined by C-H center dot center dot center dot O and pi-pi ... -
9-Ethyl-3-methyl-1,6-dinitrocarbazole
Asker, Erol; Masnovi, John (Blackwell Publishing, 2004)The title compound, C15H13N3O4, crystallizes in the triclinic space group P(1) over bar. The 6-nitro and methyl groups are essentially planar with the carbazole moiety, while the 1-nitro group is twisted out of the carbazole ... -
Ağ araştırması (web quest) tasarlayıcılarının bu etkinliklerin hazırlanması sürecine ve Türkiye'de uygulanabilirliklerine ilişkin görüşleri
Zencirci, İsmail; Asker, Erol (2009)Nitel tasarımda gerçekleştirilen bu örnek olay araştırmasında Ağ Araştırması etkinliği hakkında bilgi sahibi ya da en az bir Ağ Araştırması etkinliği hazırlayan eğitimcilerin Ağ Araştırması etkinliklerinin hazırlanması ... -
Bazı karbazol bileşiklerinin TCNE ve TNM ile yük-transfer kompleksleşmeleri
Özgün, Selin (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2016)Bu çalışmada organik elektron donör karbazol türevleri, 3,6-di(karbazol-9-il)-9-etilkarbazol, 3,6-di(karbazol-9-il)-9-heksilkarbazol, 1,n-di[3,6-di(karbazol-9-il)karbazol-9-il]alkanların (n=1-5) elektron akseptörler ... -
Bis(9-ethylcarbazol-3-yl)ethane
Asker, Erol; Masnovi, John (Blackwell Publishing, 2006)In the title compound, C30H28N2, each carbazole skeleton is essentially planar. The planes of the two carbazole ring systems are nearly parallel, with a dihedral angle of 2.33 ( 19)degrees. The crystal packing is stabilized ... -
Bis(9-ethylcarbazol-3-yl)methane
Asker, Erol; Masnovi, John (Blackwell Publishing, 2006)In the title compound, C29H26N2, the carbazole ring systems are essentially planar. There is no indication of pi-pi interactions in the crystal structure, adjacent carbazole groups being non-parallel. -
Biyoloji öğretiminde yaratıcı yazma uygulamaları
Demirbaş, Aygül (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2005)Yaratıcı yazma etkinlikleriyle zenginleştirilen Biyoloji dersinin, farklı yaratıcılık düzeyindeki öğrencilerin yaratıcı yazma becerilerine, derse yönelik tutum ve akademik başarı düzeylerine etkilerini incelemek amacıyla ... -
Charge-transfer complexations of 1,n-di(9-ethylcarbazol-3-yl)alkanes with tetracyanoethylene and tetranitromethane
Asker, Erol; Masnovi, John M. (Pergamon-Elsevier Science Ltd, 2009)1,n-Di(9-ethylcarbazol-3-yl)alkanes, where n = 1-5, as the dichromophoric model compounds of poly-3-vinylcarbazoles were synthesized to examine their complexation behaviors with the electron acceptors tetracyanoethylene ... -
Çeşitli karbazol bileşiklerinin tetrasiyanoetilen ile komplekslerinin hazırlanması ve termodinamik özelliklerinin incelenmesi
Uzkara, Ece (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2010)Bu çalışmada organik elektron donör karbazol türevleri 9-etilkarbazol, 9-etil-3-metilkarbazol, 1,3-dikarbazolilpropan ve 1,3-di(3-metilkarbazol-9-il)propanın elektron akseptör tetrasiyanoetilen (TCNE) ile kloroform (CHCl3) ... -
Determination of the relationship between elementary students’ scientific creativity and academic achievement in science and technology courses
Bu araştırmanın amacı, ilköğretim ikinci kademe öğrencilerinin genel ve bilimsel yaratıcılıkları ile Fen ve Teknoloji dersi akademik başarısı arasındaki ilişkinin belirlenmesi, cinsiyet, sınıf ve genel yaratıcılık düzeylerine ... -
(E)-9,10-Dihydro-9-methyl-9-nitro-10(trinitromethyl)anthracene
Arslan, Mustafa; Baker, R. James; Masnovi, John; Asker, Erol (Int Union Crystallography, 2005)The title compound, C16H12N4O8, was prepared by the photochemical reaction of 9-methylanthracene and tetranitromethane in dichloromethane. Intermolecula face-to-face pi-pi stacking interactions are present along the a axis.
