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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 17 - Molecular rotations and vibrations"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example E1 - Pg 423"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#calculate the frequency of transistion\n",
"#Initialization of variables\n",
"import math\n",
"mH=1.673*math.pow(10,-27) #kg\n",
"mCl=5.807*math.pow(10,-26) #kg\n",
"R=127.4 *math.pow(10,-12) #m\n",
"#calculations\n",
"mu=mH*mCl/(mH+mCl)\n",
"I=mu*R*R\n",
"B=1.05457*math.pow(10,-34) /(4*math.pi*I)\n",
"f=2*B/math.pow(10,9)\n",
"#results\n",
"print '%s %.1f %s' %(\"Frequency of transistion =\",f,\"GHz\")\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Frequency of transistion = 635.9 GHz\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example I1 - Pg 428"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#calculate the wavenumber and wavelength\n",
"#Initialization of variables\n",
"import math\n",
"v=89.6*math.pow(10,12) #Hz\n",
"#calculations\n",
"l=3*math.pow(10,8) /v\n",
"wn=math.pow(10,-2) /l\n",
"#results\n",
"print '%s %d %s' %(\"Wavenumber =\",wn,\" cm^-1\")\n",
"print '%s %.2f %s' % (\"\\n Wavelength =\",l*math.pow(10,6),\"mu m\")\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Wavenumber = 2986 cm^-1\n",
"\n",
" Wavelength = 3.35 mu m\n"
]
}
],
"prompt_number": 2
}
],
"metadata": {}
}
]
}
|
