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

using model chemistry: MP2/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 MP2/cc-pVTZ
 hartrees
Energy at 0K-526.099436
Energy at 298.15K-526.102738
HF Energy-524.578638
Nuclear repulsion energy337.435903
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/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' 3765 3575 108.58      
2 A' 1854 1760 228.00      
3 A' 1455 1382 50.35      
4 A' 1292 1227 143.40      
5 A' 1237 1175 209.15      
6 A' 1153 1095 303.29      
7 A' 810 770 2.01      
8 A' 672 638 68.85      
9 A' 599 568 9.30      
10 A' 431 409 0.07      
11 A' 396 376 2.33      
12 A' 241 229 1.12      
13 A" 1223 1161 287.68      
14 A" 797 757 32.30      
15 A" 611 580 97.37      
16 A" 515 489 1.97      
17 A" 249 236 0.09      
18 A" 35 33 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 8667.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 8229.9 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/cc-pVTZ
ABC
0.12865 0.08374 0.06931

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 0.593 0.000
C2 -0.296 -0.902 0.000
O3 0.812 -1.644 0.000
O4 -1.428 -1.294 0.000
F5 -1.000 1.339 0.000
F6 0.812 0.882 1.083
F7 0.812 0.882 -1.083
H8 0.536 -2.571 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54372.35052.42241.32171.33311.33313.1945
C21.54371.33361.19892.34932.36302.36301.8644
O32.35051.33362.26793.49092.74902.74900.9668
O42.42241.19892.26792.66813.30633.30632.3425
F51.32172.34933.49092.66812.16002.16004.2007
F61.33312.36302.74903.30632.16002.16533.6294
F71.33312.36302.74903.30632.16002.16533.6294
H83.19451.86440.96682.34254.20073.62943.6294

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 109.338 C1 C2 O4 123.589
C2 C1 F5 109.906 C2 C1 F6 110.240
C2 C1 F7 110.240 C2 O3 H8 107.205
O3 C2 O4 127.072 F5 C1 F6 108.905
F5 C1 F7 108.905 F6 C1 F7 108.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability