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

using model chemistry: QCISD(T)/cc-pVTZ

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(T)/cc-pVTZ
 hartrees
Energy at 0K-550.150316
Energy at 298.15K-550.152235
HF Energy-548.566600
Nuclear repulsion energy336.058023
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(T)/cc-pVTZ
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' 1928 1829        
2 A' 1371 1301        
3 A' 1294 1227        
4 A' 1127 1069        
5 A' 816 774        
6 A' 697 661        
7 A' 599 569        
8 A' 429 407        
9 A' 389 369        
10 A' 228 217        
11 A" 1241 1178        
12 A" 772 732        
13 A" 523 496        
14 A" 242 230        
15 A" 47 44        

Unscaled Zero Point Vibrational Energy (zpe) 5851.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 5550.3 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(T)/cc-pVTZ
ABC
0.12786 0.08304 0.06859

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.078 0.585 0.000
C2 -0.306 -0.907 0.000
O3 -1.401 -1.352 0.000
F4 -1.011 1.336 0.000
F5 0.802 0.865 1.083
F6 0.802 0.865 -1.083
F7 0.802 -1.648 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.53992.43681.32251.33241.33242.3475
C21.53991.18232.35062.35322.35321.3332
O32.43681.18232.71593.30763.30762.2230
F41.32252.35062.71592.16362.16363.4915
F51.33242.35323.30762.16362.16532.7363
F61.33242.35323.30762.16362.16532.7363
F72.34751.33322.22303.49152.73632.7363

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 126.552 C1 C2 F7 109.372
C2 C1 F4 110.176 C2 C1 F5 109.813
C2 C1 F6 109.813 O3 C2 F7 124.075
F4 C1 F5 109.160 F4 C1 F6 109.160
F5 C1 F6 108.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability