Available online
Description
How Nuclear Magnetic Resonance (NMR) can be used to study alcohol molecules exchanging protons with other alcohol molecules.
How Nuclear Magnetic Resonance (NMR) can be used to study alcohol molecules exchanging protons with other alcohol molecules.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 09 |
| First transmission date: | 1978 |
| Published: | 1978 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
| + Show more... | |
| Producer: | David Jackson |
| Contributors: | Alan Bassindale; Joan Mason; Laurie Phillips |
| Publisher: | BBC Open University |
| Keyword(s): | Alcohol molecules; Animated film; Conformational equilibrium; Cyclohexyl molecules; Molecular motion; NMR spectrum; Proton exchange |
| Footage description: | Footage - Graphic of alcohol molecule, cyclohexane flip (0'06"-0'30") - X-ray diffraction time-scale (0'42"-0'53") - Infra-red & NMR spectroscopy time-scale (1'01"-1'18") - NMR spectrum of 2-propanol (1'35"-1'48") - Proton spectrum with no OH line. NMR spectrum of 2-propanol. Change of hydroxyl resonance with acid added (2'15"-3'02") - Animation of averaged spin orientation for hydroxy proton. Spectrum of 2-propanol (3'03"-3'45") - Decoupled signal in spectrum (3'53"-4'09") - Graphic of axial & equatorial protons in different environments. Cyclohexane ring flipping. Cyclohexane chair conformation (4'54"-5'33") - Model of cyclohexane (5'34"-5'53") - Animation of cyclohexane interconversion two conformations (5'54-6'25") - Spectrum of cyclohexane spin-spin coupling. Integration curve (6'26"-7'06") - Carbon 13 NMR spectrum of cyclohexane at -80C (7'26"-7'43") - Spectrum of bromocyclohexane at 26C & -75C (7'51"-9'39"). Carbon 13 NMR spectrum of bromocyclohexane at 20C, -30C & -80C (10'10"-11'27") - Models of anti & gauche conformers of 1,2 dibromoethane. Spectrum of 1,2 dibromoethane (11'45"-12'18") - Fluorine spectrum of sample being cooled. Spectrum of gauche & anti forms of sample. Animation of model and spectrum. Table of x-ray, IR & NMR time-scale (12'42"-15'20") - Graphic of N,N dimethyl acetamide. Model of dimethyl formamide (15'57"-17'21") - Animation and NMR of dimethylacetamide (17'22"-18'06") - Animation and NMR of dimethylacetamide. Graph of inversion of a monosubstituted cyclohexane. Graph of rotation about the C-N bond in amides (20'08"-21'33") - Computer simulation of lineshape equation (21'49"-22'15"). |
| Master spool number: | 6HT/71973 |
| Production number: | 00525_1199 |
| Videofinder number: | 864 |
| Available to public: | no |
