C F2Cl2

Some of the Spectra:



Links to the graphs of the remaining transmission spectra:
10-3
10-4
10-5
10-6
10-7



Download the raw data:



The identified bands and their average transmission for selected concentrations:

  strong bands     medium bands        
concentration 1185-1130 1130-1045 960-815 2335-2150 1605-1495 1440-1265 1265-1185 695-605
1.00E+00 0.101 9.30 18.91 41.55 74.08 65.74 21.53 44.40
1.00E-01 3.06 24.82 38.40 87.51 96.12 94.26 80.22 72.19
1.00E-02 36.19 49.59 62.23 98.53 99.52 99.34 97.64 95.58
1.00E-03 87.25 87.94 90.96 99.89 99.91 99.94 99.76 99.53


  weak bands          
concentration 3405-3240 2085-1950 1870-1700 1495-1440 795-695 530-400
1.00E+00 96.00 96.08 73.14 86.68 84.03 89.78
1.00E-01 99.78 99.62 96.29 98.33 98.03 98.93
1.00E-02 100.0 99.92 99.56 99.78 99.79 100.0
1.00E-03 99.86 100.0 99.94 99.95 99.97 100.0

Download the above chart (comma seperated values data file)


Exponential Sum Fitting of the Average Transmission (only strong bands shown):







Links to remaining graphs:
2150-2335
1495-1605
1265-1440
1185-1265
605-695
3240-3405
1950-2085
1700-1870
1440-1495
695-795
400-530

k and a Values for the Exponential Sum Fits

 

band range

Exponential Sum Fits

            

Band strength

D s [m-1]

k1

k2

k3

a1

a2

a3

error

Strong

1130-1185

9.1836e-24

7.8059e-23

  

0.36

0.64

  

0.77
 

1045-1130

3.7598e-25

1.0248e-23

9.2577e-23

0.256

0.268

0.476

1.19
 

815-960

1.08e-22

2.6617e-25

9.1576e-24

0.332

0.386

0.282

0.19

Medium

2150-2335

2.9781e-25

4.4113e-24

  

0.92

0.08

  

0.38
 

1495-1605

1.1168e-25

    

1

    

1.33
 

1265-1440

1.4518e-25

5.5764e-24

  

0.97

0.03

  

0.25
 

1185-1265

5.3233e-25

5.6025e-24

  

0.9

0.1

  

0.54
 

605-695

1.6007e-25

5.7998e-24

  

0.68

0.32

  

0.69

Weak

3240-3405

1.5263e-26

    

1

    

1.01
 

1950-2085

1.489e-26

    

1

    

0.28
 

1700-1870

1.154e-25

    

1

    

0.94
 

1440-1495

5.2116e-26

    

1

    

0.53
 

695-795

6.3284e-26

    

1

    

0.43
 

400-530

4.0948e-26

    

1

    

0.86

The error is the sum of the absolute difference between the experimental and the theoretical data values.

To Download the chart above (comma separated data values)

 

Acknowledgements

The data used was obtained by
Hirofumi Hashimoto
Institute of Engineering and Mechanics
University of Tsukuba
Tsukuba, 305-8573 Japan
Phone/Fax: +81-298-53-6192
e-mail: hhashi@kz.tsukuba.ac.jp

Web page design: Katie Strong
Data Analysis: Margarita Marinova

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