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

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-517.443560
Energy at 298.15K-517.445998
HF Energy-517.172423
Nuclear repulsion energy321.511532
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 MP2/STO-3G
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' 3853 3359 18.50      
2 A' 1820 1587 43.78      
3 A' 1538 1341 9.99      
4 A' 1402 1222 53.22      
5 A' 1280 1116 69.64      
6 A' 1159 1011 157.84      
7 A' 779 679 0.80      
8 A' 602 525 56.02      
9 A' 545 475 13.95      
10 A' 390 340 0.64      
11 A' 341 297 1.82      
12 A' 175 153 0.19      
13 A" 1372 1196 92.66      
14 A" 689 601 5.16      
15 A" 606 529 74.49      
16 A" 454 396 1.21      
17 A" 213 185 0.09      
18 A" 16 14 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 8616.1 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 7512.3 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 MP2/STO-3G
ABC
0.11844 0.07507 0.06236

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.098 0.627 0.000
C2 -0.319 -0.943 0.000
O3 0.852 -1.728 0.000
O4 -1.487 -1.407 0.000
F5 -1.046 1.418 0.000
F6 0.852 0.938 1.127
F7 0.852 0.938 -1.127
H8 0.476 -2.675 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.62432.47322.57911.39011.39181.39183.3236
C21.62431.41071.25712.46942.48642.48641.9060
O32.47321.41072.36173.67402.89522.89521.0190
O42.57911.25712.36172.85913.49963.49962.3369
F51.39012.46943.67402.85912.25892.25894.3661
F61.39182.48642.89523.49962.25892.25473.8039
F71.39182.48642.89523.49962.25892.25473.8039
H83.32361.90601.01902.33694.36613.80393.8039

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 108.952 C1 C2 O4 126.573
C2 C1 F5 109.769 C2 C1 F6 110.821
C2 C1 F7 110.821 C2 O3 H8 102.139
O3 C2 O4 124.475 F5 C1 F6 108.583
F5 C1 F7 108.583 F6 C1 F7 108.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability