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

using model chemistry: QCISD(T)/cc-pVDZ

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(T)/cc-pVDZ
 hartrees
Energy at 0K-525.629230
Energy at 298.15K-525.632484
HF Energy-524.404035
Nuclear repulsion energy335.552129
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(T)/cc-pVDZ
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' 3757 3580        
2 A' 1877 1789        
3 A' 1460 1392        
4 A' 1307 1246        
5 A' 1251 1192        
6 A' 1157 1103        
7 A' 798 761        
8 A' 667 636        
9 A' 592 564        
10 A' 426 406        
11 A' 394 375        
12 A' 236 225        
13 A" 1241 1183        
14 A" 787 750        
15 A" 605 577        
16 A" 509 485        
17 A" 242 231        
18 A" 35 33        

Unscaled Zero Point Vibrational Energy (zpe) 8671.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 8264.5 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(T)/cc-pVDZ
ABC
0.12711 0.08290 0.06857

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.593 0.000
C2 -0.297 -0.902 0.000
O3 0.819 -1.657 0.000
O4 -1.435 -1.303 0.000
F5 -1.007 1.352 0.000
F6 0.819 0.886 1.089
F7 0.819 0.886 -1.089
H8 0.509 -2.582 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54362.36552.43251.33321.34321.34323.2023
C21.54361.34701.20732.36352.37172.37171.8633
O32.36551.34702.28173.52002.76632.76630.9748
O42.43251.20732.28172.68963.32513.32512.3277
F51.33322.36353.52002.68962.17632.17634.2162
F61.34322.37172.76633.32512.17632.17793.6476
F71.34322.37172.76633.32512.17632.17793.6476
H83.20231.86330.97482.32774.21623.64763.6476

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 109.651 C1 C2 O4 123.860
C2 C1 F5 110.269 C2 C1 F6 110.294
C2 C1 F7 110.294 C2 O3 H8 105.620
O3 C2 O4 126.489 F5 C1 F6 108.803
F5 C1 F7 108.803 F6 C1 F7 108.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability