return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-526.411583
Energy at 298.15K-526.414763
HF Energy-526.025451
Nuclear repulsion energy335.297491
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 B2PLYP=FULL/6-31+G**
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' 3774 3589 106.97      
2 A' 1851 1760 281.63      
3 A' 1432 1362 48.30      
4 A' 1264 1202 97.50      
5 A' 1210 1151 278.44      
6 A' 1147 1090 304.11      
7 A' 793 754 5.27      
8 A' 660 628 74.15      
9 A' 582 553 8.53      
10 A' 419 399 0.06      
11 A' 389 370 2.01      
12 A' 239 228 1.40      
13 A" 1183 1125 313.91      
14 A" 781 743 41.15      
15 A" 601 572 108.92      
16 A" 499 474 1.34      
17 A" 244 232 0.07      
18 A" 28 26 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 8547.0 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 8128.2 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 B2PLYP=FULL/6-31+G**
ABC
0.12696 0.08268 0.06852

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 0.590 0.000
C2 -0.294 -0.906 0.000
O3 0.817 -1.655 0.000
O4 -1.432 -1.306 0.000
F5 -1.010 1.353 0.000
F6 0.817 0.889 1.092
F7 0.817 0.889 -1.092
H8 0.548 -2.589 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54322.36082.42881.33571.34781.34783.2123
C21.54321.33981.20622.36982.37632.37631.8820
O32.36081.33982.27563.51952.76802.76800.9720
O42.42881.20622.27562.69273.32673.32672.3590
F51.33572.36983.51952.69272.17892.17894.2390
F61.34782.37632.76803.32672.17892.18443.6549
F71.34782.37632.76803.32672.17892.18443.6549
H83.21231.88200.97202.35904.23903.65493.6549

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 109.741 C1 C2 O4 123.642
C2 C1 F5 110.602 C2 C1 F6 110.383
C2 C1 F7 110.383 C2 O3 H8 107.935
O3 C2 O4 126.617 F5 C1 F6 108.571
F5 C1 F7 108.571 F6 C1 F7 108.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability