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

using model chemistry: QCISD(T)=FULL/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(T)=FULL/6-31G*
 hartrees
Energy at 0K-549.522226
Energy at 298.15K-549.524060
HF Energy-548.350793
Nuclear repulsion energy334.566960
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)=FULL/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' 1946 1946        
2 A' 1395 1395        
3 A' 1316 1316        
4 A' 1136 1136        
5 A' 812 812        
6 A' 682 682        
7 A' 591 591        
8 A' 423 423        
9 A' 387 387        
10 A' 225 225        
11 A" 1267 1267        
12 A" 755 755        
13 A" 510 510        
14 A" 236 236        
15 A" 50 50        

Unscaled Zero Point Vibrational Energy (zpe) 5863.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5863.9 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 QCISD(T)=FULL/6-31G*
ABC
0.12562 0.08307 0.06837

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.077 0.581 0.000
C2 -0.311 -0.901 0.000
O3 -1.416 -1.346 0.000
F4 -1.014 1.347 0.000
F5 0.810 0.854 1.092
F6 0.810 0.854 -1.092
F7 0.810 -1.645 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.53152.43821.33381.34261.34262.3434
C21.53151.19152.35532.35072.35071.3457
O32.43821.19152.72343.31463.31462.2460
F41.33382.35532.72342.18242.18243.5046
F51.34262.35073.31462.18242.18312.7268
F61.34262.35073.31462.18242.18312.7268
F72.34341.34572.24603.50462.72682.7268

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 126.659 C1 C2 F7 108.899
C2 C1 F4 110.377 C2 C1 F5 109.570
C2 C1 F6 109.570 O3 C2 F7 124.442
F4 C1 F5 109.257 F4 C1 F6 109.257
F5 C1 F6 108.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability