PřF:C5020 Chemical Structure - Course Information

C5020 Chemical Structure

Extent and Intensity

2/0/0. 2 credit(s) (fasci plus compl plus > 4). Recommended Type of Completion: zk (examination). Other types of completion: k (colloquium).

Teacher(s)

doc. RNDr. Pavel Brož, Ph.D. (lecturer)

Guaranteed by

doc. RNDr. Pavel Brož, Ph.D.
Department of Chemistry – Chemistry Section – Faculty of Science
Supplier department: Department of Chemistry – Chemistry Section – Faculty of Science

Timetable

Mon 14:00–15:50 C12/311

Prerequisites

( C3401 Physical Chemistry I && C4402 Physical Chemistry II )||( C3140 Physical Chemistry I && C4020 Advanced Physical Chemistry )|| C4660 Basic Physical Chemistry
Passing out the lecture Physical Chemistry I and II.

Course Enrolment Limitations

The course is also offered to the students of the fields other than those the course is directly associated with.

fields of study / plans the course is directly associated with

• Analytical Chemistry (programme PřF, N-CH)
• Inorganic Chemistry (programme PřF, N-CH)
• Physical Chemistry (programme PřF, N-CH)
• Environmental Chemistry (programme PřF, N-CH)
• Material Chemistry (programme PřF, N-CH)
• Organic Chemistry (programme PřF, N-CH)

Course objectives

At the end of the course, student will be able to apply the knowledge about basic spectroscopic methods (mass spectrometry, diffraction analysis, IR spectrometry, NMR etc.) for identification of chemical structure. He will be able to propose an adequate procedure for study of chemical substances and to interpret the gained data.

Syllabus

• 1. Electron diffraction and rtg. irradiation. Electrons as particles and irradiation. Quantum numbers. Diffraction on the set of planes (Huygens and Ewald constructions). Direct and reciprocal lattice. Interference (Laue and Bragg method). Radial distribution function. 2. Absorption of electrons and gamma irradiation. Mass spectrometry (ionization methods, resolution, detection, group of molecular peaks, main types of fragmentation). Moessbauer spectroscopy (isotopic shift. quadrupolar splitting). 3. Photoelectron spectroscopy. Absorption of rtg. photon (XPS, ESCA), absorption of electrons (Auger) and UV quanta (UPS). Rtg. fluorescence. 4. Absorption of UV and visible light. Electron spectroscopy (Franck-Condom principle). Vibration and rotation structure of energy diagrams. Thermal relaxation, fluorescence, phosphorescence (types of electron transitions, particle in one-dimensional potential well, chromophores, auxochromes, external and internal effects on shifts of absorption lines. Use of electron spectroscopy in structural and quantitative analysis (Lambert-Beer law). 5. Molecules in electric field (polarizability, induced and permanent dipole moment, permittivity of dielectricum). Induced and orientation polarization. Clasius-Mossoti and Debye equations. Dipole moments (Halverstadt-Kumler and Gugenheim-Smith methods). Index of refraction and molar refraction. 6. Electrons in electric field of light wave. Rayleigh and Raman dispersion. Raman spectroscopy (anisotropy of polarizability, depolarization, Stokes and anti-Stokes transitions, vibration and rotational Raman spectra). 7. Absorption of IR an MW irradiation. IR vibrations (harmonic and anharmonic oscillator, energy on vibration levels, types of normal vibrations). Transfers among vibration energy levels. NIR in qualitative and quantitative analysis. Vibration-rotation and rotation spectra (elastic and non-elastic rotor, rotation-distortion constant). 8. Transfer of the light through material. Diffraction of light (Snellius law). Measurement of index of diffraction, its dependence on wavelength and density. Effect of the electric field (Kerr effect, Kerr factor, Kerr constant and its use in structural analysis). 9. Optical activity. Specific rotation, dependence on wavelength, Drude equation, Cotton effect, optical rotation dispersion, circular dichroism. Optical rotation and structure (absolute value, octant rule). 10. Molecules in magnetic field. Magnetic induction, magnetization, anisotropy of magnetic susceptibility. Dielectrics, paramagnetics, ferromagnetics (Curie law, Weiss correction, Curie temperature). 11. Electron paramagnetic resonance spectroscopy. Electron in magnetic field, resonance condition, Lande g-factor, hyperfine splitting, multiplicity of signals. 12. Nuclear magnetic resonance spectroscopy. Nuclei in magnetic field, nuclear spin, quantum numbers, condition of resonance, coupling constant (substitution, sterical and solvatation components). Coupling constant, stepwise reduction of spin multiplets. Number of NMR signals and symmetry of molecule. Intensity of signals and its use in quantitative analysis.

Literature

• ATKINS, P. W. Physical chemistry. 6th ed. Oxford: Oxford University Press, 1998, xvi, 1014. ISBN 0198501013. info

Teaching methods

Theoretical preparation in the field of spectroscopic methods for identification of chemical structure connected with computing seminar with practical outputs.

Assessment methods

Oral examination and solution of an example on analysis of chemical structure. Credit from the seminar is necessary.

Language of instruction

Czech

Further Comments

Study Materials
The course is taught annually.

Listed among pre-requisites of other courses

• C5030 Chemical Structure-sem.
  NOW(C5020)  

• Enrolment Statistics (Autumn 2014, recent)
  
• Permalink: https://is.muni.cz/course/sci/autumn2014/C5020