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

using model chemistry: CCSD(T)/TZVP

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(T)/TZVP
 hartrees
Energy at 0K-525.887982
Energy at 298.15K-525.891220
HF Energy-524.571320
Nuclear repulsion energy336.287585
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(T)/TZVP
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' 3776 3634        
2 A' 1859 1790        
3 A' 1436 1382        
4 A' 1293 1244        
5 A' 1240 1194        
6 A' 1151 1108        
7 A' 804 774        
8 A' 677 651        
9 A' 597 574        
10 A' 431 415        
11 A' 392 378        
12 A' 240 231        
13 A" 1221 1175        
14 A" 776 747        
15 A" 580 558        
16 A" 509 490        
17 A" 246 237        
18 A" 27 26        

Unscaled Zero Point Vibrational Energy (zpe) 8627.0 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8303.5 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 CCSD(T)/TZVP
ABC
0.12812 0.08292 0.06873

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.593 0.000
C2 -0.296 -0.906 0.000
O3 0.814 -1.659 0.000
O4 -1.430 -1.301 0.000
F5 -1.002 1.351 0.000
F6 0.814 0.888 1.086
F7 0.814 0.888 -1.086
H8 0.527 -2.586 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54802.36622.42791.32801.33871.33873.2093
C21.54801.34191.20032.36462.37322.37321.8708
O32.36621.34192.27253.51542.76932.76930.9705
O42.42791.20032.27252.68623.31783.31782.3409
F51.32802.36463.51542.68622.16572.16574.2233
F61.33872.37322.76933.31782.16572.17193.6515
F71.33872.37322.76933.31782.16572.17193.6515
H83.20931.87080.97052.34094.22333.65153.6515

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 109.728 C1 C2 O4 123.621
C2 C1 F5 110.377 C2 C1 F6 110.387
C2 C1 F7 110.387 C2 O3 H8 106.912
O3 C2 O4 126.651 F5 C1 F6 108.605
F5 C1 F7 108.605 F6 C1 F7 108.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability