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Description
The study of internal rotation about a C-C bond and the use of Raman and infra-red methods of examining conformational equilibria.
The study of internal rotation about a C-C bond and the use of Raman and infra-red methods of examining conformational equilibria.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 07 |
| First transmission date: | 1978 |
| Published: | 1978 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
| + Show more... | |
| Producer: | David Jackson |
| Contributor: | David Roberts |
| Publisher: | BBC Open University |
| Keyword(s): | Beer's Law; C-C bond; Ethanes; Infra-red; Internal rotation; Mutual exclusion rule; Raman method; Spectra; Temperature |
| Footage description: | Footage - Spectrum of liquid sample of C2H4Br2, ethane & toluene (0'26"-1'07/") - Rotation of models (1'14"-1'27") - Spectrum of 1,2-dibromoethane (1'32"-1'38") - Probe. Spectrometer. Spectrum (2'18"-4'10") - Dipole moment measurements of C-Br bond, dibromethane and anti and gauche conformers (4'47"-5'38") - Low temperature spectrum compared with low temperature Raman spectrum (5'39"-5'55") - Symmetry of anti form of dibromoethane model. Model of gauche form showing no symmetry (6'12"-6'46") - Low temperature spectrum compared with low temperature Raman spectrum. Graphic of anti dibromoethane (6'57"-7'35") - Low temperature spectrum compared with room temperature spectrum. Graphic of gauche conformer (7'41"-8'29") - Model of syn form (8'44"-8'54") - Raman spectroscopy of dibromoethane & monodeuterodibromoethane. Spectra (9'06"-11'54") - Models of anti, syn and gauche forms of conformers. Raman spectrum (11'55"-13'32") - Van't Hoff isochore equation. Infra-red spectra (13'53"-14'38"). Spectra linear in absorbance. Plot of logarithm of intensity ratio over temperature (14'53"-17'10") - Solution cell being assembled (17'30"-18'50") - Model of 2-bromoethanol. Infra-red spectrum of liquid sample (19'05"-19'41") - Sample diluted with carbon tetrachloride. Spectrum of most concentrated solution. Graphic of gauche & anti forms of bromoethanol (19'42"-21'45") - Graphic of factors that enthalpy differences depend on (22'24"-22'38") - Model of 2-penyl-ethanol (22'56"-23'04"). |
| Master spool number: | 6HT/72002 |
| Production number: | 00525_1196 |
| Videofinder number: | 862 |
| Available to public: | no |
