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Evidence for intermolecular forces, potential energy of interaction between two non-bonded species, Lennard-Jones potential, explanation of Van der Weals forces in terms of dipole-dipole, dipole-induced...
A film containing computer-generated sequences of the interaction between deuterium ions (D+) and hydrogen deuteride (HD). The sequences, together with other animation, give a full semi-classical treatment...
Notation of bonding and anti-bonding orbitals in organic molecules (pi, pi*, sigma, sigma* and n). Types of transition for various classes of compounds, Chromophores isolated and conjugated, Auxochromes and...
A computer-drawn film of the potentials and trajectories in real and configuration space of singly ionised argon (Ar+) and carbon monoxide (CO) charge transfer interactions.
Symmetry elements and symmetry operations of molecular point groups are defined and discussed. Slides of three-dimensional models are used to illustrate the various elements and operations.
Illustrates concepts in energy transfer such as free energy and entropy, and shows why some molecules, particularly the ATP molecule, have potential energy. Shows how energy transfer begins with energy from...
Part 1 shows covalent structure of the polypeptide chain; structural characteristics of the peptide link and of the polypeptide chain. Part 2 shows the orderly arrangements of the polypeptide chain; three...
When an atom becomes part of a molecule there are changes in the size and the shape of the charge-cloud associated with any one of the nuclei. If the atom forms a covalent bond to a neighbour, the size of...
The mechanism of energy storage and release in the double bonds of organic chemistry; the characteristics necessary for a fluorescent molecule to be capable of practical application.
Shows how amino acids are joined together to form the peptide chains of a protein molecule; how the sequence of amino acids in a protein is determined and the function of DNA and RNA in the synthesis of...
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