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

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-546.141307
Energy at 298.15K-546.143032
HF Energy-545.352599
Nuclear repulsion energy329.446394
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/3-21G
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' 1846 1789 103.87      
2 A' 1325 1284 208.38      
3 A' 1301 1261 61.02      
4 A' 1134 1099 224.70      
5 A' 771 747 1.36      
6 A' 661 641 52.11      
7 A' 572 554 4.24      
8 A' 414 401 3.84      
9 A' 373 361 0.12      
10 A' 210 203 5.36      
11 A" 1287 1247 208.56      
12 A" 735 712 5.97      
13 A" 493 478 14.21      
14 A" 227 220 7.09      
15 A" 39 38 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 5693.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 5518.1 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/3-21G
ABC
0.12087 0.08124 0.06657

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.079 0.581 0.000
C2 -0.317 -0.898 0.000
O3 -1.431 -1.364 0.000
F4 -1.050 1.347 0.000
F5 0.827 0.870 1.111
F6 0.827 0.870 -1.111
F7 0.827 -1.664 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.53052.46171.36451.37011.37012.3661
C21.53051.20742.36152.38072.38071.3767
O32.46171.20742.73743.36473.36472.2775
F41.36452.36152.73742.23282.23283.5482
F51.37012.38073.36472.23282.22132.7668
F61.37012.38073.36472.23282.22132.7668
F72.36611.37672.27753.54822.76682.7668

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 127.688 C1 C2 F7 108.838
C2 C1 F4 109.182 C2 C1 F5 110.194
C2 C1 F6 110.194 O3 C2 F7 123.474
F4 C1 F5 109.469 F4 C1 F6 109.469
F5 C1 F6 108.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability