P16.4 Calculate the energy levels of the 7-network in hexa-triene, C6Hg, using the particle in the box model. To calculatethe box length, assume that the molecule is linear and use thevalues 135 and 154 pm for C=C and C-C bonds. What isthe wavelength of light required to induce a transition fromthe ground state to the first excited state? How does this com-pare with the experimentally observed value of 240 nm?What does the comparison made suggest to you about esti-mating the length of the 7-network by adding bond lengthsfor this molecule?

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Calculate the energy levels of the 7-network in hexa-

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

P16.4 Calculate the energy levels of the 7-network in hexa-
triene, C6Hg, using the particle in the box model. To calculate
the box length, assume that the molecule is linear and use the
values 135 and 154 pm for C=C and C-C bonds. What is
the wavelength of light required to induce a transition from
the ground state to the first excited state? How does this com-
pare with the experimentally observed value of 240 nm?
What does the comparison made suggest to you about esti-
mating the length of the 7-network by adding bond lengths
for this molecule?

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