PPT-INFRARED SPECTROSCOPY Assist.Prof

DrAyad MR Raauf 2 nd Semester College of Pharmacy Dept of pharmaceutical chemistry M Sc Students 1 2 UV Xrays IR g rays Radio Microwave Energy kcalmol 30030 30030. User Spectra 1cm 5000 6000 7000 8000 9000 025 000 025 050 075 100048 Ethanol 96 139492 Ethanol absolut 021687 Triethanolamin Isoprop 119866 Propylenglykol 140273 Triethylcitrat Citroflex 2 Example spectra Kombin CH 1O NH OH 1O CH 2O Advantages Liqu 2002 Chapter 15 Infrared Spectroscopy Theory An important tool of the organic chemist is Infrared Spectroscopy or IR IR spectra are acquired on a special instrument called an IR spectrometer IR is used both to ather information about the structure Infrared Absorbance. IR- Empirical Comparisons. Identifying functional groups in organic molecules. Region of infrared that is most useful lies between. 2.5-16 . m. m (4000-625 cm. -1. ). depends on transitions between vibrational . Keywords. : infrared, radiation, absorption. , spectroscopy. • State that absorption of infrared radiation causes covalent bonds to vibrate.. • Identify absorption peaks in an infrared spectrum.. Seda Yerli 20824388. Serap . Sunatepe. 20824245. Gonca Çalışkan 20823894 . Beytepe. ,Ankara. 12.04.2012. OUTLINE. History. of IR . Radiation. . and. FTIR. General . Information. . about. IR . Molecular Vibrations . Electromagnetic Radiation: Light, Energy, Heat. IR Tutor:. . http://chemistry.beloit.edu/Warming/pages/infrared.html. What do the sun’s energy, a molecule’s shape and a TV remote have to do with greenhouse gases?. 11-5. IR spectroscopy. . measures the vibrational excitation of atoms around the bonds that connect them.. The positions of the absorption lines are related to the types of functional groups present.. 2. C. DANIEL WITSCH, VOLKER LUTTER, GUIDO W. FUCHS, . THOMAS GIESEN. Institute of Physics, University of Kassel, Germany. JÜRGEN GAUSS,. Institut. . für. . Physikalische. . Chemie. , Universität Mainz, Germany. 12. th. International User Meeting on Cavity Enhanced Spectroscopy, 13 June, 2017. 1A12. Charles R. Markus. , Jefferson E. McCollum, Thomas S. Dieter, Philip A. . Kocheril. , and Benjamin J. McCall. #10 Signals from Within. [8:55-20:29]. Infrared Spectroscopy. http. ://www.learner.org/resources/series61.html. region of infrared that is most useful lies between. 2.5-16 . m. m (4000-625 cm. -1. ). Spectroscopy . . Is the interaction between matter and electromagnetic radiation (light). . Spectroscopy is commonly used in chemistry to detect, identify, and quantify information about different atoms and molecules. 1 IR-Spectroscopy IR region The part of electromagnetic radiation between the visible and microwave regions 0.8  m to 50  m ( 12,500 cm -1 - 200 cm -1 ) is called IR region Most interested region in Infrared Spectroscopy is between 2.5 University. , . Istanbul. . Assist. . . Prof.Tanzer. Yakar. Sakarya . University. , Sakarya. Assist. . Prof. Nazım Göker . Kilis 7 . December. . University. , Kilis. Assist. . Prof. Hikmet Ünlü. Spectroscopy & Structure. All spectroscopic techniques are used in two ways:. To prove that two compounds are identical. A compound’s spectra are unique to that compound. To help establish the structure of a new compound.