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{
"metadata": {
"name": "",
"signature": "sha256:e6be7abf8c97801180567f4f6cb83dc9e729f9c81204b1adfe4e1f54ff45dd36"
},
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"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 11: Molecular Structure"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 11.1, page no. 380"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"import math\n",
"\n",
"#Variable Declaration\n",
"\n",
"f = 1.15 * 10 ** 11 # Frequency(Hz)\n",
"h = 1.055 * 10 ** -34 # Planck's constant(J.s)\n",
" \n",
"#Calculation\n",
"\n",
"w = 2 * math.pi * f\n",
"Icm = h / w\n",
"\n",
"#Results\n",
"\n",
"print \"(a) The moment of inertia is\",round(Icm/10 **-46 , 2),\"X 10^-46 kg.m^2.\"\n",
"\n",
"\n",
"\n",
"#Variable Declaration\n",
"\n",
"Ac = 12.0 #atomic mass of carbon (u)\n",
"Ao = 16.0 #atomic mass of oxygen (u)\n",
"u = 1.66 * 10 ** -27#(kg)\n",
"\n",
"#Calculation\n",
"\n",
"mu = Ac* Ao /(Ac+Ao)\n",
"R0 = math.sqrt(Icm/(mu*u))\n",
"\n",
"#Results\n",
"\n",
"print \"(b) The bond length of the molecule is\",round(R0/10**-9,3),\"nm.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"(a) The moment of inertia is 1.46 X 10^-46 kg.m^2.\n",
"(b) The bond length of the molecule is 0.113 nm.\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 11.2, page no. 383"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"import math\n",
"\n",
"#Variable Declaration\n",
"\n",
"f = 6.42 * 10 ** 13 #frequency(Hz)\n",
"mu = 1.14 * 10 ** -26 #(kg)\n",
" \n",
"#Calculation\n",
"\n",
"w = 2 * math.pi * f\n",
"K = mu * w**2\n",
"\n",
"#Results\n",
"\n",
"print \"(a) The force constant for this molecule is \",round(K/10**3,2),\"X 10^3 N/m.\"\n",
"\n",
"\n",
"\n",
"#Variable Declaration\n",
"\n",
"h = 1.055 * 10 ** -34 #Planck's constant (J.s)\n",
"\n",
"#Calculation\n",
"\n",
"A = (h/(mu * w)) ** 0.5\n",
"\n",
"#Results\n",
"\n",
"print \"(b) The Vibration amplitude is\",round(A/10**-9,5),\"nm.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"(a) The force constant for this molecule is 1.85 X 10^3 N/m.\n",
"(b) The Vibration amplitude is 0.00479 nm.\n"
]
}
],
"prompt_number": 6
}
],
"metadata": {}
}
]
}
|
