SPECTROSCOPY OF COORDINATION COMPOUNDS
Academic year and teacher
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- Versione italiana
- Academic year
- 2015/2016
- Teacher
- ROBERTO ARGAZZI
- Credits
- 6
- Didactic period
- Secondo Semestre
- SSD
- CHIM/03
Training objectives
- The course aims to provide students with the knowledge of the methods offered by the group theory
of symmetry operations in order to analyze and interpret the spectroscopic properties of coordination compounds in relation to the electronic configuration of the metal and the molecular geometry. It also provides the basic knowledge of instrumentation for spectroscopic investigations with particular reference to time resolved techniques that make use of laser sources. After completing the course, the student will be able to use the provided theoretical tools to predict and/or discuss spectroscopic properties of specific transition metal complexes and choose the most appropriate experimental techniques complex for closer study. Prerequisites
- It is not required to have any prerequisites, however, it is useful to have a good knowledge of the basic principles and generalm methods of inorganic chemistry and physical chemistry II .
Course programme
- Fundamentals of the group theory of symmetry operations with applications to quantum mechanics related to molecular symmetry (6 hrs). State correlation diagrams referred to electronic configuration and coordination geometry. UV-Vis spectroscopy and spin and symmetry selection rules. Orgel and Tanabe-Sugano diagrams (8 hrs). Theoretical basis of vibrational spectroscopies (IR and Raman) with application of group theory to the analysis of allowed transitions (5 hrs). Continuous and discrete spectral sources. Laser sources: principles and spectroscopic applications (4 hrs). Prism and grating monochromators (3 hrs). Photoelectric detectors: photomultiplier tubes and microchannel plates. Photovoltaic detectors: photodiodes and charge coupled devices (4 hrs). Laboratory experiences: transient absorption and emission spectroscopies (2 hrs). Raman spectroscopy on solid and liquid samples (2 hrs). Luminescence kinetics with the Time Correlated Single Photon Counting technique (2 hrs).
Didactic methods
- The course consists of 30 hours of lectures on the topics of the program course and 6 hours of laboratory experiments aimed to become familiar with the instrumentation for spectroscopic analysis.
Learning assessment procedures
- The exam consists of an oral test on the topics of the course and on the laboratory experiments and it has the aim to verify the understanding of the course subjects and the ability to use the conceptual tools, provided during the course, for the discussion of possible cases.The examination consists of 3 questions and is passed when the candidate answers satisfactorily to at least two questions.
Reference texts
- 1) F. Albert Cotton, La Teoria dei Gruppi in Chimica, Tamburini Editore, Milano.
2) J.E. Huheey, E.A. Keiter, R.L. Keiter, Chimica Inorganica, Piccin, Padova.
3) J. M. Hollas, Modern Spectroscopy, 4th ed., Wiley.
