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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-449.990181
Energy at 298.15K-449.992399
HF Energy-449.300834
Nuclear repulsion energy244.415772
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' 3114 2959 26.71      
2 A' 1622 1541 15.14      
3 A' 1426 1355 22.16      
4 A' 1285 1221 92.28      
5 A' 1185 1126 190.45      
6 A' 813 772 54.18      
7 A' 658 625 25.97      
8 A' 492 467 22.83      
9 A' 411 391 7.28      
10 A' 256 243 6.37      
11 A" 1170 1112 241.73      
12 A" 974 925 14.67      
13 A" 487 463 3.37      
14 A" 301 286 1.03      
15 A" 50 47 15.32      

Unscaled Zero Point Vibrational Energy (zpe) 7121.2 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 6765.8 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
0.16842 0.09433 0.09293

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 0.027 0.349 0.000
C2 0.522 -1.099 0.000
O3 -0.261 -2.074 0.000
F4 -1.358 0.443 0.000
F5 0.522 1.017 1.132
F6 0.522 1.017 -1.132
H7 1.615 -1.199 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52962.43941.38831.40471.40472.2170
C21.52961.25082.43172.39902.39901.0971
O32.43941.25082.74573.38303.38302.0699
F41.38832.43172.74572.26862.26863.3962
F51.40472.39903.38302.26862.26432.7170
F61.40472.39903.38302.26862.26432.7170
H72.21701.09712.06993.39622.71702.7170

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.329 C1 C2 H7 114.128
C2 C1 F4 112.802 C2 C1 F5 109.610
C2 C1 F6 109.610 O3 C2 H7 123.543
F4 C1 F5 108.627 F4 C1 F6 108.627
F5 C1 F6 107.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability