return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-450.457085
Energy at 298.15K-450.459458
HF Energy-449.479516
Nuclear repulsion energy251.339860
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 CCSD(T)/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' 3028 2913        
2 A' 1822 1753        
3 A' 1426 1372        
4 A' 1367 1316        
5 A' 1258 1210        
6 A' 860 828        
7 A' 703 677        
8 A' 527 507        
9 A' 432 416        
10 A' 257 247        
11 A" 1249 1202        
12 A" 972 935        
13 A" 526 506        
14 A" 313 301        
15 A" 61 59        

Unscaled Zero Point Vibrational Energy (zpe) 7400.4 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 7119.9 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 CCSD(T)/6-31G*
ABC
0.18025 0.09898 0.09734

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.024 0.359 0.000
C2 0.507 -1.094 0.000
O3 -0.268 -2.028 0.000
F4 -1.308 0.447 0.000
F5 0.507 0.990 1.092
F6 0.507 0.990 -1.092
H7 1.608 -1.205 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53112.40521.33521.35071.35072.2258
C21.53111.21432.38092.35292.35291.1065
O32.40521.21432.68463.30243.30242.0491
F41.33522.38092.68462.18702.18703.3514
F51.35072.35293.30242.18702.18442.6876
F61.35072.35293.30242.18702.18442.6876
H72.22581.10652.04913.35142.68762.6876

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 121.926 C1 C2 H7 114.144
C2 C1 F4 112.152 C2 C1 F5 109.310
C2 C1 F6 109.310 O3 C2 H7 123.930
F4 C1 F5 109.026 F4 C1 F6 109.026
F5 C1 F6 107.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability