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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: CCSD(T)=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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-450.476036
Energy at 298.15K-450.478421
HF Energy-449.479964
Nuclear repulsion energy251.608094
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)=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' 3028 2939        
2 A' 1827 1773        
3 A' 1428 1386        
4 A' 1370 1330        
5 A' 1260 1223        
6 A' 862 837        
7 A' 705 684        
8 A' 528 513        
9 A' 433 421        
10 A' 257 250        
11 A" 1251 1214        
12 A" 975 946        
13 A" 527 512        
14 A" 314 305        
15 A" 63 61        

Unscaled Zero Point Vibrational Energy (zpe) 7414.5 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 7197.3 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)=FULL/6-31G*
ABC
0.18063 0.09919 0.09755

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.024 0.359 0.000
C2 0.506 -1.092 0.000
O3 -0.268 -2.027 0.000
F4 -1.307 0.446 0.000
F5 0.506 0.989 1.091
F6 0.506 0.989 -1.091
H7 1.607 -1.203 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52932.40321.33361.34921.34922.2237
C21.52931.21332.37802.35002.35001.1062
O32.40321.21332.68223.29903.29902.0479
F41.33362.37802.68222.18472.18473.3481
F51.34922.35003.29902.18472.18202.6843
F61.34922.35003.29902.18472.18202.6843
H72.22371.10622.04793.34812.68432.6843

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 121.961 C1 C2 H7 114.118
C2 C1 F4 112.146 C2 C1 F5 109.293
C2 C1 F6 109.293 O3 C2 H7 123.921
F4 C1 F5 109.045 F4 C1 F6 109.045
F5 C1 F6 107.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability