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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-525.779487
Energy at 298.15K-525.782804
HF Energy-524.509344
Nuclear repulsion energy337.440372
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' 3798 3636 66.06      
2 A' 1906 1825 258.29      
3 A' 1476 1413 48.98      
4 A' 1325 1269 84.40      
5 A' 1276 1221 290.88      
6 A' 1181 1131 339.62      
7 A' 817 782 3.89      
8 A' 682 653 81.67      
9 A' 603 577 10.12      
10 A' 436 417 0.10      
11 A' 401 384 2.42      
12 A' 244 234 1.02      
13 A" 1258 1205 306.62      
14 A" 808 773 43.99      
15 A" 612 586 126.63      
16 A" 518 496 3.41      
17 A" 252 241 0.04      
18 A" 33 31 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 8812.3 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 8436.9 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
0.12883 0.08359 0.06926

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 0.592 0.000
C2 -0.295 -0.900 0.000
O3 0.812 -1.649 0.000
O4 -1.423 -1.300 0.000
F5 -1.002 1.347 0.000
F6 0.812 0.883 1.083
F7 0.812 0.883 -1.083
H8 0.542 -2.576 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54082.35512.42151.32511.33461.33463.2011
C21.54081.33621.19682.35532.36182.36181.8739
O32.35511.33622.26193.50162.75392.75390.9658
O42.42151.19682.26192.67993.30653.30652.3438
F51.32512.35533.50162.67992.16222.16224.2160
F61.33462.36182.75393.30652.16222.16583.6351
F71.33462.36182.75393.30652.16222.16583.6351
H83.20111.87390.96582.34384.21603.63513.6351

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 109.685 C1 C2 O4 123.905
C2 C1 F5 110.309 C2 C1 F6 110.240
C2 C1 F7 110.240 C2 O3 H8 107.895
O3 C2 O4 126.410 F5 C1 F6 108.769
F5 C1 F7 108.769 F6 C1 F7 108.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability