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Homework Help: VSEPR Model Question

  1. Jan 4, 2012 #1
    1. The problem statement, all variables and given/known data

    What are the bond angles of TeCl4

    2. Relevant equations


    3. The attempt at a solution

    The electronic geometry should be Trigonal Bipyramidal
    The molecular geometry should be See-Saw shaped (Steric Number 5, One lone pair)

    I know the angles are less than those of a trigonal bipyramidal shape with 5 bond pairs (90° and 120°) but I dont know what the angles are for the see-saw shape.

    Also, the VSEPR model only provides bond angles for structures with max bond pairs (for example, the steric number is 5 with five bond pairs). Does anyone know how you would determine the bond angle if there were lone pairs? Or is that only determined by experimental evidence

  2. jcsd
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