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The article presents the way in which freeware Internet programs can be applied to teach [superscript 1]H NMR spectroscopy. The computer programs described in this article are part of the educational curriculum that explores spectroscopy and spectra interpretation. (Contains 6 figures.)

The article presents several computer educational programs and online resources which offers a broad range of information in various fields, including spectroscopy to students. An electronic handbook titled "Applications of 1H NMR Spectroscopy," by P. Hallpap and H. Händel is recommended for beginners studying Proton Nuclear Magnetic Resonance (NMR) spectroscopy. In addition, students can also solve spectral problems where questions and answers are presented or as interactive educational tutorials to learn more of the field. Among the Internet resources are Organic chemistry OnLine or SDBS Integrated Spectral Data Base System for Organic Compounds. Moreover, a Web site of the University of Colorado can be used for an online tutorial.

This paper presents the results of research on the relationship between the structure and odour properties of a selection of chemical compounds. The research concerns five groups of esters, each with a different smell: almond, apricot, apple, pineapple and rose. The supposed relationship between the smell and certain selected attributes of each molecule was examined by various pattern recognition techniques using programs developed in the Department of Computer Chemistry at Rzeszów University of Technology.