Uğur Bozkaya araştırma grubu, yeni elektronik yapı teorilerinin geliştirilmesi, bu teorilerin etkin şekilde kullanılan bilgisayar programları (C ++ ile yazılmış) haline getirilmesi ve geliştirilen yöntemlerin zorlu kimyasal problemlere sahip sistemlere uygulanması alanlarında çalışmalar gerçekleştirmektedir. Özellikle, pertürbasyon teorisi ve eşleşmiş kümeler teorisi gibi yüksek seviyeli elektron korelasyon yöntemleri için etkin enerji ve analitik gradientler yöntemlerinin geliştirilmesi ile ilgili çalışmalar ön plana çıkmaktadır.
Hesaplamalı kimya alanındaki çalışmalarımız arasında, kovalent olmayan etkileşimler, atomik ve moleküler kümeler, geçiş metali bileşikleri ve organik reaksiyon mekanizmaları bulunmaktadır.
• Yüksek Başarımlı Hesaplama Kümesi (HPC)
• Kuantum Kimyasal Yazılımlar
• . "Molekül İçi Küme Yaklaşımı Uygulanmış Möller-Plesset Pertürbasyon Teorisi Yöntemlerinin Geliştirilmesi, CPU ve GPU İçin Paralel Programlanması ve Boya Bazlı Foto-Elektrokimyasal Güneş Hücresine Uygulanması", TÜBİTAK-COST (120Z743), 2020 (36 Ay). Yürütücü (Devam Ediyor).
• "Density-Fitted Coupled-Cluster Methods with Local Correlation Methods and Energy Based Fragmentation Approaches: Coupled-Cluster Theory Meets Macromolecules", TÜBİTAK-2247-B (119C023), 2020 (24 Ay). Yürütücü (Devam Ediyor).
• "Yüksek Seviyeli Coupled-Cluster Yöntemlerini Temel Alan Yüksek Doğruluktaki Ab Initio Moleküler Dinamik Simülasyon Yöntemlerinin Geliştirilmesi ve Büyük Ölçekli Moleküler İyonik Kümelerin Simülasyonlarına Uygulanması", TÜBİTAK-COST (119Z948), 2020 (36 Ay). Yürütücü (Devam Ediyor).
• “Yüksek Seviyeli Bağlanmış Küme ve Pertürbasyon Teorisi Yöntemleri için Hareket Denklemi Yaklaşımının Yoğunluk Fit Edilmesi ve Dondurulmuş Doğal Orbitaller Teknikleriyle Geliştirilmesi, Etkin Programlanması ve Zorlu Kimyasal Sistemlere Uygulanması”, TÜBİTAK-1001 (118Z916), 2019 (36 Ay). Yürütücü (Devam Ediyor).
• “İyonik Hidrojen Kümeleri için Üst Düzey Coupled-Cluster Yöntemleriyle Yüksek Doğrulukta Bağlanma Enerjileri ve Anharmonik Kuvvet Alanlarının Hesaplanması”, TÜBİTAK, 2209-A Üniversite Öğrencileri Araştırma Projeleri Destekleme Programı, 2020 (12 Ay). Proje danışmanlığı (Devam Ediyor). (Lisans öğrencisi Berfin Yaren ÖZDEMİRCAN)
• “İkinci Dereceden Kuazidejenere Pertürbasyon Teorisinin Modern İntegral Tensör Ayrıştırma Yöntemleriyle Formüle Edilmesi, Etkin ve Paralel Programlanması ve Çok Referanslı Moleküler Sistemlere Uygulanması”, TÜBİTAK-1001 (116Z506), 2017 (36 Ay). Yürütücü (Tamamlandı).
• “Yoğunluk Fit Edilmiş Coupled-Cluster Yöntemlerinin Analitik Enerji Gradient İfadelerinin Türetilmesi, Etkin ve Paralel Programlanması ve Zayıf Etkileşimlere Uygulanması”, TÜBİTAK-COST (114Z786), 2015 (36 Ay). Yürütücü (Tamamlandı).
• “Yoğunluk Fit Edilmiş ve Cholesky Ayrıştırması Uygulanmış Optimize Orbitalli İkinci ve Üçüncü Dereceden Möller-Plesset Pertürbasyon Teorilerinin Geliştirilmesi, Büyük Ölçekli, Etkin ve Paralel Programlanması ve Non-Kovalent Etkileşimlere Uygulanması”, TÜBİTAK-1001 (113Z203), 2013 (36 Ay). Yürütücü (Tamamlandı).
• “Optimize Orbitalli İkili Uyarılmış Çiftleşmiş Küme Teorisinin Enerji ve Analitik Gradient İfadelerinin Modern Tensör Ayrıştırma Yöntemleriyle Formülasyonu Etkin Programlanması ve Açık Kabuklu Kimyasal Sistemlere Uygulamaları” Hacettepe Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi, 2016 (24 Ay). Yürütücü (Tamamlandı).
• “Geçiş Metali Komplekslerinin Moleküler Özelliklerinin ve Elektronik Yapılarının Yüksek Seviyeli Elektron Korelasyon Yöntemleriyle Araştırılması” Hacettepe Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi, 2016. Yürütücü (Tamamlandı).
Behnle, S., Richter, R., Völkl, L., Idzko, P., Förstner, A., Bozkaya, U., Fink, R. F. 2022. "Accurate Property Prediction by Second Order Perturbation Theory: The REMP and OO-REMP Hybrids", J. Chem. Phys., 157, 104111. DOI: 10.1063/5.0105628
Bozkaya, U., Ermiş, B. 2022. "Linear-Scaling Systematic Molecular Fragmentation Approach for Perturbation Theory and Coupled-Cluster Methods", J. Chem. Theory Comput. DOI: 10.1021/acs.jctc.2c00587
Altaş, A., Gültekin, D. D., Acar, M., Cücü, E., Karatay, A., Elmalı, A., Atalay, A., Demircan, Ç. A., Bozkaya, U., Kazaz, C., Şahin, E., Bozdemir, Ö. A. 2022. "Bay- and Peri-functionalized Donor-acceptor Perylene Monoimides via Nitration and Nucleophilic Substitution/reduction Pathway". Mater. Today Chem., 24, 100908. DOI: 10.1016/j.mtchem.2022.100908
Gündoğdu, Ö., Atalay, A., Çelebioğlu, N., Anıl, B., Şahin, E., Şanlı-Mohamed, G., Bozkaya, U., Kara, Y. 2022. "Regio- and Stereo-chemical Ring-opening Reactions of the 2,3-epoxy alcohol Derivative with Nucleophiles: Explanation of the Structures and C-2 Selectivity Supported by Theoretical Computations", J. Mol. Struct., 1264, 133163. DOI: 10.1016/j.molstruc.2022.133163
Ünal, A., Bozkaya, U. 2022. "Efficient Implementation of Equation-of-Motion Coupled-Cluster Singles and Doubles Method with the Density-Fitting Approximation: An Enhanced Algorithm for the Particle−Particle Ladder Term". J. Chem. Theory Comput., 18, 1489-1500. DOI:10.1021/acs.jctc.1c01000
Bozkaya, U., Ermiş, B., Alagöz, Y., Ünal, A., Uyar, A. K. 2022. "MacroQC 1.0: An Electronic Structure Theory Software for Large-Scale Applications". J. Chem. Phys., 156, 044801. DOI: 10.1063/5.0077823.
Polat, İ., Eşsiz, S., Bozkaya, U., Salamci, E. 2022. "Efficient and Regioselective Synthesis of Dihydroxy-substituted 2-aminocyclooctane-1-carboxylic acid and Its Bicyclic Derivatives", Beilstein J. Org. Chem., 18, 77–85. DOI: 10.3762/bjoc.18.7
Ermiş, B., Ekinci, E., Bozkaya, U. 2021. "State-Of-The-Art Computations of Vertical Electron Affinities with the Extended Koopmans’ Theorem Integrated with the CCSD(T) Method", J. Chem. Theory Comput.,17, 7648–7656. DOI: 10.1021/acs.jctc.1c00938
Eşsiz, S., Bozkaya, U. 2021. "A Computational Study for the Reaction Mechanism of 2, 2-azobis (isobutyronitrile)-initiated Oxidative Cleavage of the Geminal Alkenes", Org. Biomol. Chem.,19, 9483–9490, DOI: 10.1039/d1ob01607e.
Alagöz, Y., Ünal, A., Bozkaya, U. 2021. “Efficient Implementations of the Symmetric and Asymmetric Triple Excitation Corrections for the Orbital-Optimized Coupled-Cluster Doubles Method with the Density-Fitting Approximation”, J. Chem. Phys., 155, 114104. DOI: 10.1063/5.0061351.
Ermiş, B., Ünal, A., Soydaş, E., Bozkaya, U. 2021. "Anharmonic Force Field from Coupled-Cluster Methods and Accurate Computation of Infrared Spectra", Adv. Quantum Chem., 83, 139-153. DOI: 10.1016/bs.aiq.2021.05.003.
Bozkaya, U. 2021. "Molint 1.0: A Framework for the Computation of Molecular Integrals and Their Derivatives for Density-fitted Methods", Int. J. Quantum Chem.,121, e26623. DOI: 10.1002/qua.26623
Bozkaya, U., Ünal, A., Alagöz, Y. 2020. “Energy and Analytic Gradients for the Orbital-Optimized Coupled-Cluster Doubles Method with the Density-Fitting Approximation: An Efficient Implementation”, J. Chem. Phys., 153, 244115. DOI: 10.1063/5.0035811
Mammadova, F., Hamarat, B., Ahmadli, D., Şahin, O., Bozkaya, U., Türkmen, Y. E. 2020. "Polarization‐Enhanced Hydrogen Bonding in 1,8‐Dihydroxynaphthalene: Conformational Analysis, Binding Studies and Hydrogen Bonding Catalysis", ChemistrySelect, 5, 13387–13396. DOI: 10.1002/slct.202002960
Servan, S. A., Ünal, A., Hamarat, B., Bozkaya, U. 2020. "Assessment of the Density-Fitted Second-Order Quasidegenerate Perturbation Theory for Transition Energies: Accurate Computations of Singlet-Triplet Gaps for Charge-Transfer Compounds", J. Phys. Chem. A, 124, 6889–6898. DOI: 10.1021/acs.jpca.0c04555
Eşsiz, S., Bozkaya, U. 2020. "Computational Study for the Reaction Mechanism of N-Hydroxyphthalimide-Catalyzed Oxidative Cleavage of Alkenes", J. Org. Chem., 85, 10136–10142. DOI: 10.1021/acs.joc.0c01472
Smith, D. G. A., Burns, L. A., Simmonett, A. C., Parrish, R. M., Schieber, M. C., Galvelis, R., Kraus, P., Kruse H., Remigio, R. D., Alenaizan, A., James, A. M., Lehtola, S., Misiewicz, J. P., Scheurer, M., Shaw, R. A., Schriber, J. B., Xie, Y., Glick, Z. L., Sirianni, D. A., O’Brien, J. S., Waldrop, J. M., Kumar, A., Hohenstein, E. G., Pritchard, B. P., Brooks, B. R., Schaefer III, H. F., Sokolov, A. Y., Patkowski, K., DePrince III, A. E., Bozkaya, U., King, R. A, Evangelista, F. A., Turney, J. M., Crawford, T. D., Sherrill, C. D. 2020. "Psi4 1.4: Open-source software for high-throughput quantum chemistry", J. Chem. Phys., 152, 184108. DOI: 10.1063/5.0006002
Warden, C. E., Smith, D. G. A., Burns, L. A., Bozkaya, U., Sherrill, C. D. 2020. "Efficient and Automated Computation of Accurate Molecular Geometries Using Focal-Point Approximations to Large-Basis Coupled-Cluster Theory". J. Chem. Phys., 152, 124109. DOI: 10.1063/5.0004863
Ünal, A., Bozkaya, U. 2020. " Ionized Water Clusters (H2O)+n, n= 2 to 6: A High-Accuracy Study of Structures and Energetics". Int. J. Quantum Chem., 120, e26100. DOI: 10.1002/qua.26100.
Atakay, M., Aksakal, F., Bozkaya, U., Salih, B., Wesdemiotis, C. 2020. "Conformational Characterization of Polyelectrolyte Oligomers and Their Noncovalent Complexes Using Ion Mobility-Mass Spectrometry", J. Am. Soc. Mass Spectrom., 31, 441−449. DOI: 10.1021/jasms.9b00135
Bozkaya, U., Soydaş, E., Filiz, B. 2020. "State-of-the-Art Computations of Dipole Moments Using Analytic Gradients of High-Level Density-Fitted Coupled-Cluster Methods with Focal-Point Approximations". J. Comput. Chem., 41, 769–779. DOI: 10.1002/jcc.26126
Bozkaya, U. 2019. "An Efficient Implementation of the Second-Order Quasidegenerate Perturbation Theory with Density-Fitting and Cholesky Decomposition Approximations: Is It Possible to Use HartreeFock Orbitals for a Multiconfigurational Perturbation Theory?". J. Chem. Theory Comput., 15 (8), 4415-4429. DOI: 10.1021/acs.jctc.9b00378
Köse, A., Ünal A., Şahin, E., Bozkaya U., Kara Y. 2019. “An Anomalous Addition of Chlorosulfonyl Isocyanate to a Carbonyl Group: The Synthesis of ((3aS,7aR,E)-2-ethyl3-oxo-2,3,3a,4,7,7a-hexahydro-1H-isoindol1-ylidene)sulfamoyl Chloride”. Beilstein J. Org. Chem., 15, 931–936. DOI:10.3762/bjoc.15.89
Donmez, S. E., Soydaş, E., Aydın, G., Şahin, O., Bozkaya, U. and Türkmen, Y. E. 2019. “Aza-Nazarov Cyclization Reactions via Anion Exchange Catalysis”. Org. Lett., 21 (2), 554-558. DOI: 10.1021/acs.orglett.8b03886
Bozkaya, U., Ünal, A. 2018. "State-of-the-Art Computations of Vertical Ionization Potentials with the Extended Koopmans’ Theorem Integrated with the CCSD(T) Method". J. Phys. Chem. A, 122, 4375−4380. DOI: 10.1021/acs.jpca.8b01851
Ünal, A., Bozkaya, U. 2018. "Anionic Water Pentamer and Hexamer Clusters: An Extensive Study of Structures and Energetics". J. Chem. Phys., 148, 124307, DOI: 10.1063/1.5025233
Bozkaya, U. 2018. "Analytic Energy Gradients for Orbital-Optimized MP3 and MP2.5 with the Density-Fitting Approximation: An Efficient Implementation". J. Comput. Chem., 39, 351–360. DOI: 10.1002/jcc.25122
Demircan, Ç. A., Bozkaya, U. 2017. "Transition Metal Cation−π Interactions: Complexes Formed by Fe2+ , Co2+, Ni2+, Cu2+, and Zn2+ Binding with Benzene Molecules". J. Phys. Chem. A, 121(34), pp 6500–6509. DOI: 10.1021/acs.jpca.7b05759
Koçak, R., Yıldız, D., Bozkaya, U., Daştan, A., Bozdemir, Ö. A. 2017. "Dihydropyridazine-Appended Dibenzosuberenones as A New Class of Fluorophores: Application to Fluoride Sensing". Tett. lett., Volume 58, Issue 30, 2981-2985. DOI: 10.1016/j.tetlet.2017.06.059
Bozkaya, U., Sherrill, C. D. 2017. "Analytic energy gradients for the coupled-cluster singles and doubles with perturbative triples method with the density-fitting approximation". J. Chem. Phys., 147, 044104. DOI: 10.1063/1.4994918
Parrish, R. M., Burns, L. A., Smith, D. G. A., Simmonett, A. C., De Prince, III, A. E., Hohenstein, E. G., Bozkaya, U., Sokolov, A. Y., Remigio, R. D., Richard, R. M., Gonthier, J. F., James, A. M., McAlexander, H. R., Kumar, A., Saitow, M., Wang, X., Pritchard, B. P., Verma, P., Schaefer, III, H. F., Patkowski, K., King, R. A., Valeev, E. F., Evangelista, F. A., Turney, J. M., Crawford, T. D. and Sherrill, C. D. 2017. "PSI4 1.1: An Open-Source Electronic Structure Program Emphasizing Automation, Advanced Libraries, and Interoperability". J. Chem. Theory Comput., 13 (7), 3185–3197. DOI: 10.1021/acs.jctc.7b00174
Bozkaya, U. 2016. “Orbital-Optimized MP3 and MP2.5 with Density-Fitting and Cholesky Decomposition Approximations”. J. Chem. Theory Comput., 12, 1179-1188. DOI: 10.1021/acs.jctc.5b01128
Bozkaya, U. 2016. “Orbital-Optimized Linearized Coupled-Cluster Doubles with Density- Fitting and Cholesky Decomposition Approximations: An Efficient Implementation”. Phys. Chem. Chem. Phys., 18, 11362-11373. DOI: 10.1039/C6CP00164E
Bozkaya, U. 2016. “A Noniterative Asymmetric Triple Excitation Correction for The Density-Fitted Coupled-Cluster Singles and Doubles Method: Preliminary Applications”. J. Chem. Phys., 144, 144108. DOI: 10.1063/1.4945706.
Bozkaya, U., Sherrill, C. D. 2016. “Analytic Energy Gradients for the Coupled-Cluster Singles and Doubles Method with the Density-Fitting Approximation”. J. Chem. Phys., 144, 174103. DOI: 10.1063/1.4948318.
Karaca, E.; Can, K. H.; Bozkaya, U.; Pekmez, N. Ö. 2016. “Charge Transfer Complex of p-aminodiphenyldiamine with Maleic Anhydride: spectroscopic, electrochemical and physical properties”. ChemPhysChem., 17, 2056-2065. DOI: 10.1002/cphc.201600161
Yıldız, D.; Bozkaya, U. 2016. “Assessment of the Extended Koopmans’ Theorem for the Chemical Reactivity: Accurate Computations of Chemical Potentials, Chemical Hardnesses, and Electrophilicity Indices”. J. Comput. Chem., 37, 345-353. DOI: 10.1002/jcc.24225
Üçüncü, M., Cantürk, C., Karakus, E., Zeybek, H., Bozkaya, U., Soydas, E., Sahin, E., Emrullahoğlu, M. 2016. "A Rare γ-Pyranopyrazole Skeleton: Design, One-Pot Synthesis and Computational study”. Org. Biomol. Chem., 14, 7490-7494. DOI: 10.1039/C6OB01099G
Soydaş, E., Bozkaya, U. 2015. “Assessment of Orbital-Optimized MP2.5 for Thermochemistry and Kinetics: Dramatic Failures of Standard Perturbation Theory Approaches for Aromatic Bond Dissociation Energies and Barrier Heights of Radical Reactions”. J. Chem. Theory Comput., 11, 1564−1573. DOI: 10.1021/ct501184w
Bozkaya, U. 2014. “Derivation of General Analytic Gradient Expressions for Density-Fitted Post-Hartree-Fock Methods: An Efficient Implementation for the Density-Fitted Second-Order Møller-Plesset Perturbation Theory”. J. Chem. Phys., 141, 124108. DOI: 10.1063/1.4903269
Bozkaya, U. 2014. “Analytic Energy Gradients and Spin Multiplicities for Orbital-Optimized Second-Order Perturbation Theory with Density-Fitting Approximation: An Efficient Implementation”. J. Chem. Theory Comput., 10, 4389-4399. DOI: 10.1021/ct500634s
Bozkaya, U. 2014. “Orbital-Optimized Second-Order Perturbation Theory with Density-Fitting and Cholesky Decomposition Approximations: An Efficient Implementation”. J. Chem. Theory Comput.,10, 2371-2378. DOI: 10.1021/ct500231c
Bozkaya, U. 2014. “Accurate Electron Affinities from the Extended Koopmans’ Theorem Based on Orbital-Optimized Methods”. J. Chem. Theory Comput., 10, 2041-2048. DOI: 10.1021/ct500186j
Soydaş, E., Bozkaya, U. 2014. “Assessment of the Orbital-Optimized Coupled-Electron Pair Theory for Thermochemistry and Kinetics: Improving upon CCSD and CEPA(1)”. J. Comput. Chem., 35 , 1073-1081. DOI: 10.1002/jcc.23592
Bozkaya, U., Sherrill, C. D. 2014. “Orbital-optimized MP2.5 and Its Analytic Gradients: Approaching CCSD(T) Quality for Noncovalent Interactions”. J. Chem. Phys., 141, 204105. DOI: 10.1063/1.4902226.
Soydaş, E.; Bozkaya, U. 2013. “Accurate Open-Shell Noncovalent Interaction Energies from the Orbital-Optimized Møller–Plesset Perturbation Theory: Achieving CCSD Quality at the MP2 Level by Orbital Optimization”. J. Chem. Theory Comput., 9, 4679-4683. DOI: 10.1021/ct4008124
Bozkaya, U. 2013. “The Extended Koopmans’ Theorem for Orbital-Optimized Methods: Accurate Computation of Ionization Potentials”. J. Chem. Phys., 139, 154105. DOI: 10.1063/1.4825041
Bozkaya, U. 2013. “Analytic Energy Gradients for the Orbital-Optimized Third-Order Møller–Plesset Perturbation Theory”. J. Chem. Phys., 139, 104116. DOI: 10.1063/1.4820877
Bozkaya, U., Sherrill, C. D. 2013. “Orbital-Optimized Coupled-Electron Pair Theory and its Analytic Gradients: Accurate Equilibrium Geometries, Harmonic Vibrational Frequencies, and Hydrogen Transfer Reactions”. J. Chem. Phys., 139, 054104. DOI: 10.1063/1.4816628.
Bozkaya, U., Sherrill, C. D. 2013. “Analytic Energy Gradients for the Orbital-Optimized Second-Order Møller–Plesset Perturbation Theory”. J. Chem. Phys., 138, 184103. DOI: 10.1063/1.4803662.
Soydaş, E., Bozkaya, U. 2013. “Assessment of Orbital-Optimized Third-Order Møller-Plesset Perturbation Theory and Its Spin-Component and Spin-Opposite Scaled Variants for Thermochemistry and Kinetics”. J. Chem. Theory Comput., 9, 1452-1460. DOI: 10.1021/ct301078q
Baglan, M., Ozturk, S., Gür, B., Meral, K., Bozkaya, U., Bozdemir, O. A., Atılgan, S. 2013. "Novel Phenomena for Aggregation Induced Emission Enhancement: Highly Fluorescent Hydrophobic TPE-BODIPY Couples in both Organic and Aqueous Media”. RSC Advances, 3, 15866-15874. DOI: 10.1039/C3RA40791H
Bozkaya, U., Schaefer, H. F. 2012 “Symmetric and Asymmetric Triple-Excitation Corrections for Orbital-Optimized Coupled-Cluster Doubles Method: Improving Upon CCSD(T) and CCSD(T)Λ. Application to Potential Energy Surfaces”. J. Chem. Phys., 136, 204114. DOI: 10.1063/1.4720382
Bozkaya, U., Turney, J. M., Yamaguchi, Y., Schaefer, H. F. 2012. “The Lowest-Lying Electronic Singlet and Triplet Potential Energy Surfaces for the HNO-NOH System: Energetics, Unimolecular Rate Constants, Tunneling and Kinetic Isotope Effects for the Isomerization and Dissociation Reactions”. J. Chem. Phys., 136, 164303. DOI:10.1063/1.4704895.
Metin, Ö., Alp, N., Akbayrak, S., Biçer, A., Gültekin, M. S., Özkar, S., Bozkaya, U. 2012. “Dihydroxylation of Olefins Catalyzed by Zeolite-Confined Osmium Nanoclusters: A Novel, Efficient, Reusable and Eco-Friendly Method for the Preparation of 1,2-cis-Diols”. Green Chem., 14, 1488-1492. DOI: 10.1039/C2GC16616J
Bozkaya, U., Özkan, İ. 2012. “Thermal Denitrogenation of 7-isopropylidene-2,3-diaza-norbornene: Formation of Substituted 3-methylene-(1,4)-pentadienes”. Phys. Chem. Chem Phys., 14, 14282-14292. DOI: 10.1039/C2CP42349A
Bozkaya, U., Özkan, İ. 2012. “Thermal Aromatizations of 2-Vinylmethylenecyclopropane and 3-Vinylcyclobutene”. J. Org. Chem., 77, 5714-5723. DOI: 10.1021/jo300877w
Bozkaya, U., Özkan, İ. 2012. “Thermal Rearrangements of 1-Ethynyl-2-methylcyclopropane: A Computational Study”. J. Phys. Chem. A, 116, 3274-3281. DOI: 10.1021/jp3000575
Bozkaya, U., Özkan, İ. 2012. “Potential Energy Surfaces for Rearrangements of Berson Trimethylenemethanes”. J. Phys. Chem. A, 116, 2309-2321. DOI: 10.1021/jp211518f
Bozkaya, U., Özkan, İ. 2012. “Theoretical Study of Thermal Rearrangements of 1-Hexen-5-yne, 1,2,5-Hexatriene, and 2-Methylenebicyclo[2.1.0]pentane”. J. Org. Chem., 77, 2337-2344. DOI: 10.1021/jo202645k
Bozkaya, U. 2011. “Orbital-Optimized Third-Order Møller-Plesset Perturbation Theory and Its Spin-Component and Spin-Opposite Scaled Variants: Application to Symmetry Breaking Problems”. J. Chem. Phys., 135, 224103. DOI: 10.1063/1.3665134
Bozkaya, U., Turney, J. M., Yamaguchi, Y., Schaefer, H. F., Sherrill, C. D. 2011. “Quadratically Convergent Algorithm for Orbital Optimization in the Orbital-Optimized Coupled-Cluster Doubles Method and in Orbital-Optimized Second-Order Møller-Plesset Perturbation Theory”. J. Chem. Phys., 135, 104103. DOI: 10.1063/1.3631129.
Bozkaya, U., Schaefer, H. F. 2010. “The Ten Chemically Transparent Dinitro-Naphtalene Isomers and their Radical Anions”. Mol. Phys., 108, 2491. DOI: 10.1080/00268976.2010.507225
Bozkaya, U., Turney, J. M., Yamaguchi, Y., Schaefer, H. F. 2010. “The Barrier Height, Unimolecular Rate Constant, and Lifetime for the Dissociation of HN2”. J. Chem. Phys., 132, 064308. DOI:10.1063/1.3310285
Çaykara, T., Bozkaya, U., Kantoğlu, Ö. 2003. “Network Structure and Swelling Behavior of Poly(acrylamide/crotonic acid) Hydrogels in Aqueous Salt Solutions”. J. Polym. Sci. Part B: Polym. Phys., 41, 1656. DOI: 10.1002/polb.10500
Resmi Web Adresi
bozkayalab.hacettepe.edu.tr