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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

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-450.443854
Energy at 298.15K-450.446277
HF Energy-449.482390
Nuclear repulsion energy251.741295
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' 3081 2900 47.66      
2 A' 1858 1749 56.25      
3 A' 1447 1362 39.98      
4 A' 1380 1299 136.96      
5 A' 1272 1198 198.13      
6 A' 867 817 40.35      
7 A' 710 668 35.80      
8 A' 531 500 17.28      
9 A' 436 410 4.30      
10 A' 260 244 6.45      
11 A" 1264 1190 280.98      
12 A" 994 935 6.94      
13 A" 530 499 2.23      
14 A" 315 297 0.81      
15 A" 65 61 12.66      

Unscaled Zero Point Vibrational Energy (zpe) 7504.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 7064.9 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/6-31G**
ABC
0.18082 0.09922 0.09757

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 0.023 0.359 0.000
C2 0.506 -1.094 0.000
O3 -0.264 -2.027 0.000
F4 -1.307 0.447 0.000
F5 0.506 0.989 1.090
F6 0.506 0.989 -1.090
H7 1.600 -1.198 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53032.40301.33331.34841.34842.2157
C21.53031.21022.37922.35042.35041.0996
O32.40301.21022.68513.29793.29792.0410
F41.33332.37922.68512.18352.18353.3406
F51.34842.35043.29792.18352.18072.6771
F61.34842.35043.29792.18352.18072.6771
H72.21571.09962.04103.34062.67712.6771

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.095 C1 C2 H7 113.807
C2 C1 F4 112.190 C2 C1 F5 109.299
C2 C1 F6 109.299 O3 C2 H7 124.097
F4 C1 F5 109.020 F4 C1 F6 109.020
F5 C1 F6 107.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability