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All results from a given calculation for CF3COF (trifluoroacetyl fluoride)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-549.270686
Energy at 298.15K-549.272728
HF Energy-548.356266
Nuclear repulsion energy338.534765
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2099 1943 229.42      
2 A' 1490 1379 107.24      
3 A' 1399 1295 321.69      
4 A' 1215 1125 302.94      
5 A' 868 803 5.76      
6 A' 728 674 58.75      
7 A' 625 579 2.08      
8 A' 448 415 2.94      
9 A' 408 378 0.09      
10 A' 238 220 4.28      
11 A" 1347 1247 290.64      
12 A" 816 756 19.17      
13 A" 539 499 11.58      
14 A" 250 231 7.43      
15 A" 51 47 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 6260.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 5795.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G*
ABC
0.12921 0.08459 0.06983

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.075 0.578 0.000
C2 -0.302 -0.898 0.000
O3 -1.389 -1.337 0.000
F4 -1.007 1.329 0.000
F5 0.798 0.851 1.078
F6 0.798 0.851 -1.078
F7 0.798 -1.631 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.52372.41141.31681.32611.32612.3241
C21.52371.17252.33552.33062.33061.3219
O32.41141.17252.69363.27643.27642.2068
F41.31682.33552.69362.15552.15553.4663
F51.32612.33063.27642.15552.15612.7059
F61.32612.33063.27642.15552.15612.7059
F72.32411.32192.20683.46632.70592.7059

picture of trifluoroacetyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 126.363 C1 C2 F7 109.314
C2 C1 F4 110.400 C2 C1 F5 109.535
C2 C1 F6 109.535 O3 C2 F7 124.324
F4 C1 F5 109.286 F4 C1 F6 109.286
F5 C1 F6 108.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability