CF Bond Length


 
 
Calibration of the ropt = MP2/6-311+G(3df,3pd) model for calculation of approximate equilibrium CF bond lengths.
 
Figure 1.  ropt versus re   PDF
Linear regression:  ~ re (Å) = 0.97855 × ropt + 0.02742,  RSD = 0.0018 Å

  








   







Table 1.  CF Bond Lengths (Å).  ropt = MP2/6-311+G(3df,3pd)
   






Molecule    re   ropt   ~ re |re - ~ re| Ref.
   
FCO+ 1.2014 1.2001 1.2017 0.0003 [1]
FCN 1.26405 1.2634 1.2638 0.0003
HCCF 1.2765 1.2762 1.2762 0.00025
FCH 1.305 1.3029 1.3024 0.0026 [2]
F2C=O 1.311 1.3119 1.3112 0.0001 [3]
O=CFCl 1.3232 1.3259 1.3249 0.0017
CHF3 1.3284 1.3321 1.3309 0.0025
c-FHC=CHCl 1.331 1.3306 1.3294 0.0016
CH2F2 1.3508 1.3543 1.3526 0.0018
CH3F 1.382 1.3824 1.3801 0.002
 
AVG 0.0013
RMS 0.0016
 


 







 
[1] P.Botschwina, P.Sebald, M.Bogey, C.Demuynck, and J.-L.Desyombes, J.Mol.Spectrosc. 153,255(1992).
[2] T.Suzuki and E.Hirota, J.Chem.Phys. 88,6778(1988).
[3] M.Nakata, K.Kohata, T.Fukuyama, K.Kuchitsu, and C.J.Wilkins, J.Mol.Struct. 68,271(1980).
 
 
References not given above are given on the following pages:
FCN HCCF CHF3
c-FHC=CHCl CH2F2 CH3F
 

 








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Last Modified 13 Nov 2009