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4.4: Unit 4 Practice Problems

  • Page ID
    510808
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    Exercise 1

    Can the following matrices be multiplied and if so what is the product matrix?

    a) clipboard_ee003225be8f7545fa1ce75f331626e31.png

    b) clipboard_e04b8d38e78fc69bd28e9a49e448a6e98.png

    c) clipboard_e1730f815abaab9b88814318e888c791e.png

    d) clipboard_e29aff0c84c94bc09f70f45a78e315029.png

    Answer

    a) clipboard_e7c2253e759540050e8b0ddfe53c402a8.png

    b) clipboard_e70fac56aca366cd4521a45d3af60b2f1.png

    c) clipboard_e69ce2876684ac1d13682315aba75aa65.png

    d) clipboard_ee82ea61ae57d99e6005ac7f319cbe475.png

    clipboard_e283766480b38c6c9fb6dcd8675e86753.png

    Exercise 2

    Determine the irreducible representations for the following orbitals in the point group D2h.

    The z axis is defined as the axis of the principal C2 axis. C2’ is defined as the axis rotating around y. σv is defined as the xz plane.

    clipboard_e2e7c3633964e1cee3e46ae3e7e9b800b.png

    Answer

    clipboard_e306fd0853de3c93edcd7b4bdf17b0d75.png

    Exercise 3

    Determine the matrix representations of the symmetry elements of the following point groups:

    a) D2

    Define principal C2 axis as the axis running along z. C2’ runs along x.

    b) C3

    If we define the principal C3 axis running along the z axis:

    Answer

    a) clipboard_e578879db86d0697318d1299f4f3b7d67.png

    b) clipboard_e03a9b59108b1fb21786531b2cbde1c62.png


    Dr. Kai Landskron (Lehigh University). If you like this textbook, please consider to make a donation to support the author's research at Lehigh University: Click Here to Donate.


    This page titled 4.4: Unit 4 Practice Problems was last modified on Sat, 18 Jan 2025 05:30:55 GMT and is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Kai Landskron.

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