CF2Cl-C(=O)-CF3  MP2/6-311+G(3df) opt structure.  
Approximate re bond lengths are given in parentheses.
 
 C
 O,1,B1
 C,1,B2,2,A1
 C,1,B3,2,A2,3,D1,0
 Cl,4,B4,1,A3,2,D2,0
 F,3,B5,1,A4,2,D3,0
 F,3,B6,1,A5,2,D4,0
 F,3,B7,1,A6,2,D5,0
 F,4,B8,1,A7,2,D6,0
 F,4,B9,1,A8,2,D7,0
      Variables:
 B1=1.19861253    (1.1943)
 B2=1.54750166    (1.5441)
 B3=1.54331815    (1.5402)
 B4=1.75316833    (1.7574)
 B5=1.3335493      (1.3324)
 B6=1.32043916    (1.3195)
 B7=1.33114891    (1.3300)
 B8=1.33865863    (1.3374)
 B9=1.32891993    (1.3278)
 A1=121.77979881
 A2=121.67043163
 A3=108.72320565
 A4=108.97727945
 A5=110.19052192
 A6=111.1304502
 A7=110.39758496
 A8=109.42742067
 D1=179.29691105
 D2=91.68133675
 D3=101.12349451
 D4=-18.27546903
 D5=-139.17516927
 D6=-147.61379451
 D7=-28.34197531
 
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CF2Cl-C(=O)-CF3  MP2/aug-cc-pVTZ opt structure.  
Approximate re bond lengths are given in parentheses.
 
 C
 O,1,B1
 C,1,B2,2,A1
 C,1,B3,2,A2,3,D1,0
 Cl,4,B4,1,A3,2,D2,0
 F,3,B5,1,A4,2,D3,0
 F,3,B6,1,A5,2,D4,0
 F,3,B7,1,A6,2,D5,0
 F,4,B8,1,A7,2,D6,0
 F,4,B9,1,A8,2,D7,0
      Variables:
 B1=1.20197596      (1.1945)
 B2=1.54729411      (1.5441)
 B3=1.54237577      (1.5394)
 B4=1.76060651      (1.7574)
 B5=1.33769442      (1.3317)
 B6=1.32438124      (1.3186)
 B7=1.3349463        (1.3290)
 B8=1.3419891        (1.3359)
 B9=1.33219647      (1.3263)
 A1=121.65132706
 A2=121.62305738
 A3=108.49414349
 A4=109.04091474
 A5=110.16725399
 A6=111.33628888
 A7=110.62880598
 A8=109.57749288
 D1=179.27943448
 D2=92.48234048
 D3=100.25418371
 D4=-19.05684205
 D5=-139.98222605
 D6=-146.87773187
 D7=-27.41779982
  CF2ClCOCF3_zm.html
  Last modified: 10 July 2010