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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-450.686290
Energy at 298.15K-450.688778
HF Energy-449.603012
Nuclear repulsion energy252.711155
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 QCISD/6-311G**
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' 3020 2881 52.85      
2 A' 1857 1772 68.82      
3 A' 1434 1368 44.61      
4 A' 1363 1301 158.11      
5 A' 1258 1200 216.43      
6 A' 864 824 38.42      
7 A' 719 686 38.10      
8 A' 541 516 17.68      
9 A' 442 421 4.49      
10 A' 260 248 6.21      
11 A" 1247 1190 306.52      
12 A" 995 949 9.91      
13 A" 543 518 2.23      
14 A" 323 308 0.67      
15 A" 74 70 12.57      

Unscaled Zero Point Vibrational Energy (zpe) 7469.2 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 7126.3 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 QCISD/6-311G**
ABC
0.18292 0.09957 0.09784

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.020 0.362 0.000
C2 0.502 -1.099 0.000
O3 -0.257 -2.028 0.000
F4 -1.300 0.455 0.000
F5 0.502 0.986 1.083
F6 0.502 0.986 -1.083
H7 1.603 -1.196 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53772.40581.32371.33941.33942.2206
C21.53771.19972.37942.34882.34881.1056
O32.40581.19972.69353.29093.29092.0377
F41.32372.37942.69352.16822.16823.3398
F51.33942.34883.29092.16822.16632.6728
F61.33942.34883.29092.16822.16632.6728
H72.22061.10562.03773.33982.67282.6728

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.525 C1 C2 H7 113.285
C2 C1 F4 112.299 C2 C1 F5 109.250
C2 C1 F6 109.250 O3 C2 H7 124.190
F4 C1 F5 109.008 F4 C1 F6 109.008
F5 C1 F6 107.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability