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SOLVED: 1) The 6 r electrons in benzene can be described by particle on the ring model, with aHamiltonian H = where R is the radius of the ring while 0 denotes the ZmR? do angular coordinate. Take the C-C bondlength in benzene (a regular hexagon) to be 1.4 AQuestions:a) What is the boundary condition for the particle on the ring? b) What are suitable set of orthogonal eigenfunctions Of the Hamiltonian for the particle on the ring? Clearly indicate the energies, the wave functions and their degen
2022年9月29日
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The particle on a ring is a useful model for the motion of electrons around the porphyrin ring (2), the conjugated macrocycle that forms the structural basis of the haem (heme) group and the chlorophylls. The group may be modelled as a circular ring of radius 440 pm, with 22 electrons in the conjugated system moving along its perimeter. In the ground state of the molecule each state is occupied by two electrons. (a) Calculate the energy and angular momentum of an electron in the highest occupied
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All five of the following herbicides contain a trifluoromethyl group attached to a benzene ring. This group is commonly included in many bioactive molecules because it slows down oxidative decomposition of the aromatic ring, making the -CF3 containing compounds more stable than their -CH3 analogs. figure cant copy figure cant copy figure cant copy figure cant copy figure cant copy (a) Oxidation is defined as the loss of electrons. Is it likely to be easier to remove electrons from a benzene ring
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Jc 7F.1 Use the particle-on-a-ring Self-test model to calculate the energy required for the excitation of a T 'minimum electron in C2H2. Assume that the radius of the coronene ring is three times the carbon-carbon bond length in benzene and that the electrons are confined to the periphery of the molecule. F.1l iS e. Vlc( Oftt 1 3y 1 Coronene ewonmorogs TGOttuod (model ring in red) Gi 1-[Ou, (88*8 I0 u(zLPI0O = TV # ='w0 € =lw woy uopisuen JOJ HJaMSUV
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Lab grown CVD dimond engagement ring customizable For inquiries, please contact us at 55387353 or 55981082 Regus Business Centre ,Jaidah Square ,Doha #abgrowndiamonds #dohaqatar #customjewelry
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Benzene model: NO ‘Delocalized’ BS. The pink ones are the 3rd Carbon share. Watch as there are always 2 pinks and 2 Hydrogen electrons on one side of the ring and 0 pinks and 0 Hydrogen electrons on the other side.
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