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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2=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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-450.437156
Energy at 298.15K-450.439558
HF Energy-449.479800
Nuclear repulsion energy251.678382
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 MP2=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' 3074 2896 44.74      
2 A' 1806 1702 40.34      
3 A' 1437 1354 33.60      
4 A' 1373 1294 135.00      
5 A' 1259 1187 201.33      
6 A' 867 817 41.30      
7 A' 708 667 33.34      
8 A' 530 499 16.51      
9 A' 434 409 4.32      
10 A' 259 244 6.29      
11 A" 1244 1172 283.27      
12 A" 992 935 7.53      
13 A" 528 498 1.75      
14 A" 315 296 0.90      
15 A" 67 63 12.23      

Unscaled Zero Point Vibrational Energy (zpe) 7446.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7016.2 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 MP2=FULL/6-31G*
ABC
0.18062 0.09929 0.09767

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.023 0.358 0.000
C2 0.506 -1.089 0.000
O3 -0.267 -2.026 0.000
F4 -1.307 0.444 0.000
F5 0.506 0.988 1.091
F6 0.506 0.988 -1.091
H7 1.604 -1.197 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52552.40211.33331.34961.34962.2172
C21.52551.21522.37482.34652.34651.1031
O32.40211.21522.68073.29813.29812.0469
F41.33332.37482.68072.18532.18533.3419
F51.34962.34653.29812.18532.18262.6777
F61.34962.34653.29812.18532.18262.6777
H72.21721.10312.04693.34192.67772.6777

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.020 C1 C2 H7 114.054
C2 C1 F4 112.168 C2 C1 F5 109.249
C2 C1 F6 109.249 O3 C2 H7 123.926
F4 C1 F5 109.078 F4 C1 F6 109.078
F5 C1 F6 107.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability