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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-525.792297
Energy at 298.15K-525.795609
HF Energy-524.516114
Nuclear repulsion energy337.425413
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/6-311G**
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' 3848 3671 87.07      
2 A' 1906 1819 249.15      
3 A' 1473 1405 53.95      
4 A' 1323 1263 121.41      
5 A' 1269 1211 241.24      
6 A' 1176 1122 336.86      
7 A' 817 779 3.50      
8 A' 682 651 79.30      
9 A' 603 575 9.70      
10 A' 436 416 0.16      
11 A' 400 382 2.19      
12 A' 244 233 1.08      
13 A" 1257 1200 303.60      
14 A" 803 766 35.28      
15 A" 588 561 107.62      
16 A" 513 490 7.92      
17 A" 251 239 0.09      
18 A" 33 31 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 8809.9 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 8405.5 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/6-311G**
ABC
0.12881 0.08358 0.06925

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.593 0.000
C2 -0.295 -0.900 0.000
O3 0.812 -1.651 0.000
O4 -1.424 -1.298 0.000
F5 -1.001 1.348 0.000
F6 0.812 0.882 1.083
F7 0.812 0.882 -1.083
H8 0.522 -2.571 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54132.35752.42061.32491.33481.33483.1932
C21.54131.33781.19632.35622.36172.36171.8597
O32.35751.33782.26333.50412.75512.75510.9649
O42.42061.19632.26332.67963.30553.30552.3246
F51.32492.35623.50412.67962.16242.16244.2042
F61.33482.36172.75513.30552.16242.16613.6309
F71.33482.36172.75513.30552.16242.16613.6309
H83.19321.85970.96492.32464.20423.63093.6309

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 109.731 C1 C2 O4 123.821
C2 C1 F5 110.362 C2 C1 F6 110.196
C2 C1 F7 110.196 C2 O3 H8 106.601
O3 C2 O4 126.448 F5 C1 F6 108.786
F5 C1 F7 108.786 F6 C1 F7 108.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability