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All results from a given calculation for CF3COOH (trifluoroacetic acid)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-525.287285
Energy at 298.15K-525.290725
HF Energy-524.373259
Nuclear repulsion energy339.607976
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 CID/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' 3907 3609 129.69      
2 A' 2031 1876 303.04      
3 A' 1563 1444 64.90      
4 A' 1402 1295 186.54      
5 A' 1329 1228 200.35      
6 A' 1249 1154 349.66      
7 A' 857 791 5.18      
8 A' 705 652 90.58      
9 A' 624 576 11.21      
10 A' 450 416 0.18      
11 A' 416 384 2.63      
12 A' 253 234 1.33      
13 A" 1343 1241 300.19      
14 A" 844 780 48.12      
15 A" 631 582 135.27      
16 A" 531 490 1.64      
17 A" 257 237 0.18      
18 A" 40 37 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 9215.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 8512.2 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 CID/6-31G*
ABC
0.13031 0.08480 0.07026

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 0.588 0.000
C2 -0.290 -0.893 0.000
O3 0.806 -1.638 0.000
O4 -1.411 -1.288 0.000
F5 -0.999 1.338 0.000
F6 0.806 0.875 1.077
F7 0.806 0.875 -1.077
H8 0.540 -2.565 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52762.34012.40021.31831.32771.32773.1864
C21.52761.32531.18922.34102.34242.34241.8674
O32.34011.32532.24473.48092.73442.73440.9648
O42.40021.18922.24472.65893.27993.27992.3322
F51.31832.34103.48092.65892.15252.15254.1963
F61.32772.34242.73443.27992.15252.15503.6152
F71.32772.34242.73443.27992.15252.15503.6152
H83.18641.86740.96482.33224.19633.61523.6152

picture of trifluoroacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 110.016 C1 C2 O4 123.643
C2 C1 F5 110.472 C2 C1 F6 110.044
C2 C1 F7 110.044 C2 O3 H8 108.228
O3 C2 O4 126.342 F5 C1 F6 108.872
F5 C1 F7 108.872 F6 C1 F7 108.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability