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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3755/CH1/EX1.2 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3755/CH1/EX1.2')
| -rw-r--r-- | 3755/CH1/EX1.2/Ex1_2.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3755/CH1/EX1.2/Ex1_2.sce b/3755/CH1/EX1.2/Ex1_2.sce new file mode 100644 index 000000000..2769e7b15 --- /dev/null +++ b/3755/CH1/EX1.2/Ex1_2.sce @@ -0,0 +1,21 @@ +clear
+//
+//
+//
+
+//Variable declaration
+e=1.6*10^-19; //charge(coulomb)
+x=9*10^9;
+r0=3.56*10^-10; //equilibrium distance(m)
+A=1.763; //madelung constant
+n=10.5; //repulsive exponent value
+IE=3.89; //ionisation energy(eV)
+EA=-3.61; //electron affinity(eV)
+
+//Calculations
+U0=-(x*A*e/r0)*(1-1/n); //ionic cohesive energy(eV)
+U=U0+IE+EA; //atomic cohesive energy(eV)
+
+//Result
+printf("\n ionic cohesive energy is %0.2f eV",U0)
+printf("\n atomic cohesive energy is %0.2f eV",U)
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