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Bond dissosication energy question

  1. Sep 30, 2012 #1
    Hello,
    How can I calculate the bond dissociation energy for K+Br- when I only know the the length of the bond?
    Equation D0 = De - 0.5hω does not help because I do not know ω and De. ω is the vibrational frequency of the bond.
    Thank you for your advice beforehand.
     
  2. jcsd
  3. Oct 5, 2012 #2
    isn't there an inorganic chemistry way to this.
    i'm not really sure but i do remember finding energy of NaCl by i guess born haber cycle
     
  4. Oct 5, 2012 #3

    Borek

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    Staff: Mentor

    If you assume its a purely ionic bond, you can calculate its energy just from electrostatic attraction. You know the initial distance, you known charges, just move atoms to infinity.
     
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