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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-549.473575
Energy at 298.15K-549.475452
HF Energy-548.351588
Nuclear repulsion energy334.855928
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' 1973 1858 171.66      
2 A' 1413 1330 92.57      
3 A' 1330 1252 288.28      
4 A' 1150 1083 271.20      
5 A' 820 772 5.59      
6 A' 690 649 49.94      
7 A' 597 562 1.91      
8 A' 426 401 2.44      
9 A' 391 368 0.08      
10 A' 227 214 3.78      
11 A" 1281 1206 268.41      
12 A" 763 719 13.07      
13 A" 513 483 9.61      
14 A" 237 223 6.30      
15 A" 46 44 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 5928.9 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 5581.4 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
0.12601 0.08308 0.06844

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 0.581 0.000
C2 -0.309 -0.901 0.000
O3 -1.411 -1.347 0.000
F4 -1.015 1.344 0.000
F5 0.808 0.856 1.091
F6 0.808 0.856 -1.091
F7 0.808 -1.646 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.53152.43531.33281.34161.34162.3436
C21.53151.18872.35392.35072.35071.3427
O32.43531.18872.72013.31183.31182.2394
F41.33282.35392.72012.18022.18023.5023
F51.34162.35073.31182.18022.18122.7292
F61.34162.35073.31182.18022.18122.7292
F72.34361.34272.23943.50232.72922.7292

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 126.626 C1 C2 F7 109.071
C2 C1 F4 110.340 C2 C1 F5 109.633
C2 C1 F6 109.633 O3 C2 F7 124.303
F4 C1 F5 109.220 F4 C1 F6 109.220
F5 C1 F6 108.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability