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

using model chemistry: QCISD(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 QCISD(T)/TZVP
 hartrees
Energy at 0K-525.890554
Energy at 298.15K-525.893784
HF Energy-524.570984
Nuclear repulsion energy336.103885
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)/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' 3771 3632        
2 A' 1854 1785        
3 A' 1432 1379        
4 A' 1289 1242        
5 A' 1237 1191        
6 A' 1147 1104        
7 A' 802 772        
8 A' 675 650        
9 A' 595 573        
10 A' 430 414        
11 A' 391 377        
12 A' 239 231        
13 A" 1217 1172        
14 A" 774 745        
15 A" 581 559        
16 A" 508 489        
17 A" 246 237        
18 A" 27 26        

Unscaled Zero Point Vibrational Energy (zpe) 8606.2 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 8289.5 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)/TZVP
ABC
0.12796 0.08284 0.06866

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.593 0.000
C2 -0.297 -0.906 0.000
O3 0.815 -1.660 0.000
O4 -1.431 -1.302 0.000
F5 -1.002 1.352 0.000
F6 0.815 0.889 1.087
F7 0.815 0.889 -1.087
H8 0.527 -2.587 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54842.36692.42921.32891.33951.33953.2100
C21.54841.34281.20112.36572.37442.37441.8714
O32.36691.34282.27413.51712.77042.77040.9708
O42.42921.20112.27412.68793.31983.31982.3418
F51.32892.36573.51712.68792.16692.16694.2249
F61.33952.37442.77043.31982.16692.17313.6527
F71.33952.37442.77043.31982.16692.17313.6527
H83.21001.87140.97082.34184.22493.65273.6527

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 109.699 C1 C2 O4 123.649
C2 C1 F5 110.378 C2 C1 F6 110.401
C2 C1 F7 110.401 C2 O3 H8 106.865
O3 C2 O4 126.652 F5 C1 F6 108.593
F5 C1 F7 108.593 F6 C1 F7 108.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability