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

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-548.942964
Energy at 298.15K-548.944607
HF Energy-548.130309
Nuclear repulsion energy325.361125
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 QCISD/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' 1813 1747 121.24      
2 A' 1300 1253 79.88      
3 A' 1238 1193 208.38      
4 A' 1069 1030 238.91      
5 A' 750 723 4.33      
6 A' 635 612 50.95      
7 A' 554 534 3.92      
8 A' 402 388 5.11      
9 A' 372 358 0.05      
10 A' 222 214 5.35      
11 A" 1200 1156 220.99      
12 A" 701 676 9.61      
13 A" 467 450 15.68      
14 A" 231 222 8.26      
15 A" 44 43 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 5498.8 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 5298.7 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 QCISD/6-31G
ABC
0.11774 0.07920 0.06517

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.077 0.578 0.000
C2 -0.324 -0.903 0.000
O3 -1.446 -1.366 0.000
F4 -1.055 1.380 0.000
F5 0.835 0.871 1.132
F6 0.835 0.871 -1.132
F7 0.835 -1.692 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.53452.46981.38711.39341.39342.3935
C21.53451.21382.39722.40242.40241.4017
O32.46981.21382.77393.38953.38952.3036
F41.38712.39722.77392.26102.26103.6067
F51.39342.40243.38952.26102.26382.8020
F61.39342.40243.38952.26102.26382.8020
F72.39351.40172.30363.60672.80202.8020

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 127.576 C1 C2 F7 109.117
C2 C1 F4 110.170 C2 C1 F5 110.179
C2 C1 F6 110.179 O3 C2 F7 123.307
F4 C1 F5 108.814 F4 C1 F6 108.814
F5 C1 F6 108.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability