Available online
Description
Research into the nature of cyclobutadiene over the past 100 years & the roles of theoretical prediction & experimental determination in chemical research.
Research into the nature of cyclobutadiene over the past 100 years & the roles of theoretical prediction & experimental determination in chemical research.
| Module code and title: | S304, The nature of chemistry |
|---|---|
| Item code: | S304; 18 |
| First transmission date: | 1978 |
| Published: | 1978 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:24:00 |
| + Show more... | |
| Producer: | Barrie Whatley |
| Contributors: | Michael Dewar; Roland Pettit |
| Publisher: | BBC Open University |
| Keyword(s): | Cyclobutadiene; Cyclooctatetraene |
| Footage description: | Footage - Computer animation of cyclobutadiene & benzene molecule (0'06"-0'54") - Graphic of fully conjugated cyclic polyenes. Computer animation of cyclooctatetraene (0'55-1'53") - Graphic of benzene & cyclobutadiene (1'54"-2'40") - Model of cyclobutadiene iron tricarbonyl (3'44"-3'56") - Drawing of reaction between allyl chloride & iron enneacarbonyl. Drawing of reaction of dichloro cyclobutenein with iron enneacarbonyl. Dichlorocyclobutene heated with iron enneacarbonyl & benzene (4'07"-5'30") - Ceric ammonium nitrate added to methanol compound (5'50"-6'08") - Experiment using Diels Alder reaction to show cyclobutadiene exists (7'24"-8'00") - Orbital theory of cyclobutadiene. Energy levels of orbitals. Graphic of square triplet & rectangular singlet (8'53"-12'20") - Graphic showing ground state of cyclobutadiene. Graphic of dimethylmaleate & dimethylfumarate. Graphic of stereospecific & non stereopecific (12'32"-14'13"). Graphic of isolation of cyclobutadiene (14'25"-15'17") - Drawing of Corey & Streith reaction converting alpha pyrone to beta lactone (15'52"-16'13") - Apparatus used for spectroscopic observation of cyclobutadiene (16'54"-19'24") - Spectrum of cyclobutadiene (19'46"-20'16") - Graphic of theoretical prediction of state of cyclobutadiene (20'31"-21'28") - Graphic of geometry of cyclobutadiene (21'58"-23'03"). |
| Master spool number: | 6HT/72376 |
| Production number: | 00525_1226 |
| Videofinder number: | 871 |
| Available to public: | no |
