2.14 The net potential energy between two adja- cent ions, EN, may be represented by the sum of Equations 2.8 and 2.9; that is, A B EN = (2.11)

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2.14 The net potential energy between two adja-
cent ions, EN, may be represented by the sum
of Equations 2.8 and 2.9; that is,
A B
+
r"
EN =
(2.11)
Calculate the bonding energy Eo in terms of
the parameters A, B, and n using the follow-
ing procedure:
1. Differentiate EN with respect to r, and then
set the resulting expression equal to zero, be-
cause the curve of EN versus r is a minimum
at Eg.
2. Solve for r in terms of A, B, and n, which
yields rg, the equilibrium interionic spacing.
3. Determine the expression for E, by sub-
stituting ro into Equation 2.11.
Transcribed Image Text:2.14 The net potential energy between two adja- cent ions, EN, may be represented by the sum of Equations 2.8 and 2.9; that is, A B + r" EN = (2.11) Calculate the bonding energy Eo in terms of the parameters A, B, and n using the follow- ing procedure: 1. Differentiate EN with respect to r, and then set the resulting expression equal to zero, be- cause the curve of EN versus r is a minimum at Eg. 2. Solve for r in terms of A, B, and n, which yields rg, the equilibrium interionic spacing. 3. Determine the expression for E, by sub- stituting ro into Equation 2.11.
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