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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-450.947393
Energy at 298.15K-450.949904
HF Energy-449.658524
Nuclear repulsion energy253.618250
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/cc-pVTZ
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' 3033 2855 39.73      
2 A' 1875 1765 66.63      
3 A' 1439 1354 48.15      
4 A' 1375 1294 148.45      
5 A' 1266 1191 198.02      
6 A' 874 823 33.50      
7 A' 728 685 37.84      
8 A' 545 513 16.45      
9 A' 444 418 3.93      
10 A' 259 244 6.02      
11 A" 1255 1181 291.73      
12 A" 1003 944 7.91      
13 A" 548 515 1.77      
14 A" 322 303 0.95      
15 A" 74 70 13.42      

Unscaled Zero Point Vibrational Energy (zpe) 7519.3 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 7077.2 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/cc-pVTZ
ABC
0.18447 0.10016 0.09839

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.019 0.361 0.000
C2 0.499 -1.096 0.000
O3 -0.254 -2.024 0.000
F4 -1.295 0.457 0.000
F5 0.499 0.982 1.078
F6 0.499 0.982 -1.078
H7 1.594 -1.195 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.53412.40081.31741.33391.33392.2143
C21.53411.19592.37312.34092.34091.0993
O32.40081.19592.69063.28153.28152.0262
F41.31742.37312.69062.15862.15863.3283
F51.33392.34093.28152.15862.15642.6646
F61.33392.34093.28152.15862.15642.6646
H72.21431.09932.02623.32832.66462.6646

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 122.664 C1 C2 H7 113.434
C2 C1 F4 112.434 C2 C1 F5 109.220
C2 C1 F6 109.220 O3 C2 H7 123.902
F4 C1 F5 109.000 F4 C1 F6 109.000
F5 C1 F6 107.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability