Bond dissosication energy question

  • #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.
 

Answers and Replies

  • #2
13
0
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
 
  • #3
Borek
Mentor
28,674
3,166
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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