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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-450.477763
Energy at 298.15K-450.480157
HF Energy-449.497747
Nuclear repulsion energy250.926303
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/6-31+G**
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' 3089 2921 34.17      
2 A' 1842 1742 70.71      
3 A' 1435 1356 35.14      
4 A' 1351 1277 131.85      
5 A' 1234 1166 224.37      
6 A' 853 806 43.62      
7 A' 701 663 34.89      
8 A' 525 496 18.40      
9 A' 430 407 4.77      
10 A' 258 244 6.00      
11 A" 1212 1146 311.33      
12 A" 984 930 10.93      
13 A" 524 496 1.90      
14 A" 318 300 1.16      
15 A" 64 61 15.06      

Unscaled Zero Point Vibrational Energy (zpe) 7409.7 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 7005.1 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/6-31+G**
ABC
0.17968 0.09844 0.09677

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 0.357 0.000
C2 0.507 -1.101 0.000
O3 -0.259 -2.038 0.000
F4 -1.312 0.460 0.000
F5 0.507 0.990 1.093
F6 0.507 0.990 -1.093
H7 1.601 -1.202 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53652.41091.33591.35391.35392.2201
C21.53651.21032.39612.35942.35941.0990
O32.41091.21032.71023.30903.30902.0394
F41.33592.39612.71022.18692.18693.3534
F51.35392.35943.30902.18692.18682.6831
F61.35392.35943.30902.18692.18682.6831
H72.22011.09902.03943.35342.68312.6831

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.284 C1 C2 H7 113.748
C2 C1 F4 112.872 C2 C1 F5 109.268
C2 C1 F6 109.268 O3 C2 H7 123.968
F4 C1 F5 108.785 F4 C1 F6 108.785
F5 C1 F6 107.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability