From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3755/CH1/EX1.2/Ex1_2.sce | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 3755/CH1/EX1.2/Ex1_2.sce (limited to '3755/CH1/EX1.2') 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) -- cgit