Transition moment directions in 9,10-anthraquinones. Symmetrical cases |
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| Institution: | 1. Research and Development Center, Saudi Aramco, Dhahran 31311, Saudi Arabia;2. Chemical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi Arabia;3. Department of Chemistry and Earth Sciences, University of Qatar, Doha, Qatar;4. Interdisciplinary Research Center for Membrances & Water Security, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia;1. Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA;1. Division of Vascular and Endovascular Surgery, University of California, San Francisco, CA, USA;2. Department of Vascular Surgery, University of Birmingham, Birmingham, United Kingdom;3. Department of Biomedical and Preclinical Sciences, University Hospital of Liège, Wallonia, Belgium;4. Department of Surgery, Advocate Lutheran General Hospital, Niles, IL, USA;5. Department of Vascular Surgery, Kantonsspital St. Gallen, St. Gallen, and University of Berne, Berne, Switzerland;6. Department of Vascular and Endovascular Surgery, The University of Adelaide Medical School, Adelaide, South Australia, Australia;7. Division of Vascular Surgery and Endovascular Therapy, Baylor College of Medicine, Houston, TX, USA;8. Department of Clinical Research, University Hospitalof Poitiers, Poitiers, France;9. Jain Institute of Vascular Sciences, Bangalore, India;10. Mayo Clinic Evidence-Based Practice Center, Rochester, MN, USA;11. Department of Cardiology, Dupuytren, University Hospital, France;12. Department of Vascular Surgery American, Hospital, Turkey;13. University of Liège CHU Sart-Tilman Hospital, Belgium;14. University of Southern California, USA;15. Asahikawa Medical University, Japan;p. Ninewells Hospital University of Dundee, UK;q. Escuela de Medicina Pontificia Universidad, Catolica de Chile, Chile;r. Department of Surgical Sciences, Vascular Surgery, Uppsala University, Sweden;s. University Hospital of Strasbourg, France;t. The University of Hong Kong, Hong Kong;u. Royal Adelaide Hospital & University of Adelaide, Australia;v. University Heart Center Hamburg, University Hospital Hamburg-Eppendorf, Germany;w. Schulich Heart Centre, Sunnybrook Health, Sciences Centre, University of Toronto, Canada;x. Cardiovascular Division, University of, Minnesota Medical School, USA;y. Technical University of Munich, Germany;z. Interventional Cardiovascular Unit, Cardiology Department, Istituto Clinico, Città Studi, Milan, Italy;11. King’s College Hospital, London, UK;12. Diagnostica e Sperimentale, University of Bologna, Italy;13. Washington University School of Medicine, USA;14. Sheffield Vascular Institute, UK;15. Greenville Health System, USA;16. 301 General Hospital of PLA, Beijing, China;17. Care Hospital, Banjara Hills, Hyderabad, India;18. University of Bristol, UK;19. Division of Vascular and Endovascular Surgery, The Ottawa Hospital and the University of Ottawa, Ottawa, Canada;110. Nagoya University Graduates School of Medicine, Japan;111. UT Southwestern Medical Center, USA;112. Renji Hospital, School of Medicine, Shanghai Jiaotong University, China;113. Division of Vascular and Interventional Radiology, Icahn School of Medicine at Mount Sinai;114. Brigham and Women’s Hospital, USA;115. Mayo Clinic, USA;1p. Sanno Hospital and Sanno Medical Center, Japan;1q. Oregon Health & Science University, USA;1r. Clinic Venart, Mexico;1s. Colombia National University, Colombia;1t. Sanatorio Dr Julio Mendez, University of Buenos Aires, Argentina;1u. Division of Cardiology, Duke University Health System, USA;1v. St. Elizabeth’s Medical Center, USA;1w. Dartmouth-Hitchcock, USA;1x. Mt. Elizabeth Hospital, Singapore;1y. Amputation Prevention Centers of America, USA;1z. University of Massachusetts, USA;21. Kaiser Foundation Hospital Honolulu and Hawaii Permanente Medical Group, USA;22. Greenville Health Center/USC School of Medicine Greenville, USA;23. Hospital de Galdakao-Usansolo, Bizkaia, Spain;24. University of the Witwatersrand, Johannesburg, South Africa;25. Ghent University Hospital, Belgium;26. The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China;1. Institute of Chemical Technology, Matunga, Mumbai 400019, India;2. Loba Chemie Pvt. Ltd, Research, and Development Center, Tarapur, Thane 401506, India;3. Department of Chemistry, University of Mumbai, Kalina, Mumbai 400098, India |
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| Abstract: | Linear dichroism (LD) absorption spectra of 9,10-anthraquinone and a number of derivatives of C2v symmetry have been recorded using specially produced thick stretched polyenthylene sheets as an anisotropic solvent. The spectra were recorded in the infrared region, which provided very precise information on the relevant properties of the solute orientation distribution. Similarly, absorption spectra were recorded in the visible-ultraviolet region which made a separation of the spectrum into contributions from different excited electronic state symmetries possible. This allows a detailed discussion of transition moment directions and the spectral assignment of the electronic transitions. |
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