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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-450.425065
Energy at 298.15K-450.427473
HF Energy-449.481295
Nuclear repulsion energy251.454516
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 MP2/6-31G**
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' 3093 2897 47.24      
2 A' 1803 1689 40.03      
3 A' 1440 1349 31.06      
4 A' 1371 1284 135.56      
5 A' 1258 1178 204.40      
6 A' 865 810 40.94      
7 A' 706 661 33.14      
8 A' 529 495 16.43      
9 A' 433 405 4.31      
10 A' 259 242 6.20      
11 A" 1243 1164 281.48      
12 A" 992 929 8.44      
13 A" 527 494 1.80      
14 A" 313 293 0.80      
15 A" 66 62 11.88      

Unscaled Zero Point Vibrational Energy (zpe) 7448.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 6975.6 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 MP2/6-31G**
ABC
0.18028 0.09909 0.09748

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.024 0.358 0.000
C2 0.507 -1.090 0.000
O3 -0.266 -2.029 0.000
F4 -1.308 0.445 0.000
F5 0.507 0.989 1.093
F6 0.507 0.989 -1.093
H7 1.601 -1.193 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52702.40461.33491.35091.35092.2131
C21.52701.21592.37722.34892.34891.0994
O32.40461.21592.68403.30143.30142.0459
F41.33492.37722.68402.18752.18753.3393
F51.35092.34893.30142.18752.18502.6751
F61.35092.34893.30142.18752.18502.6751
H72.21311.09942.04593.33932.67512.6751

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.069 C1 C2 H7 113.842
C2 C1 F4 112.158 C2 C1 F5 109.256
C2 C1 F6 109.256 O3 C2 H7 124.089
F4 C1 F5 109.069 F4 C1 F6 109.069
F5 C1 F6 107.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability