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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2/6-31+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 MP2/6-31+G**
 hartrees
Energy at 0K-450.459805
Energy at 298.15K-450.462176
HF Energy-449.496431
Nuclear repulsion energy250.557731
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 MP2/6-31+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' 3101 2917 33.14      
2 A' 1785 1679 52.96      
3 A' 1427 1343 27.53      
4 A' 1340 1261 128.90      
5 A' 1213 1141 234.66      
6 A' 849 799 44.87      
7 A' 697 655 32.24      
8 A' 521 490 17.58      
9 A' 426 401 4.78      
10 A' 256 241 5.76      
11 A" 1185 1115 314.00      
12 A" 981 922 14.78      
13 A" 520 490 1.43      
14 A" 315 296 1.17      
15 A" 64 60 14.33      

Unscaled Zero Point Vibrational Energy (zpe) 7340.6 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 6904.6 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 MP2/6-31+G**
ABC
0.17898 0.09825 0.09664

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 0.357 0.000
C2 0.508 -1.097 0.000
O3 -0.261 -2.040 0.000
F4 -1.313 0.458 0.000
F5 0.508 0.991 1.096
F6 0.508 0.991 -1.096
H7 1.602 -1.198 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53312.41281.33771.35721.35722.2177
C21.53311.21662.39452.35852.35851.0988
O32.41281.21662.70993.31353.31352.0445
F41.33772.39452.70992.19152.19153.3527
F51.35722.35853.31352.19152.19262.6819
F61.35722.35853.31352.19152.19262.6819
H72.21771.09882.04453.35272.68192.6819

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.257 C1 C2 H7 113.815
C2 C1 F4 112.863 C2 C1 F5 109.223
C2 C1 F6 109.223 O3 C2 H7 123.928
F4 C1 F5 108.821 F4 C1 F6 108.821
F5 C1 F6 107.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability