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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-114.578821
Energy at 298.15K-114.582364
HF Energy-114.578821
Nuclear repulsion energy187.542444
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 HF/CEP-121G*
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' 4074 3680 133.03      
2 A' 2046 1848 409.21      
3 A' 1579 1427 91.14      
4 A' 1426 1288 188.80      
5 A' 1360 1229 261.66      
6 A' 1266 1144 395.10      
7 A' 876 791 3.67      
8 A' 725 655 101.75      
9 A' 640 578 11.93      
10 A' 462 417 0.14      
11 A' 419 379 2.87      
12 A' 257 232 1.38      
13 A" 1362 1231 352.08      
14 A" 868 784 53.06      
15 A" 623 563 141.01      
16 A" 548 495 7.12      
17 A" 268 242 0.35      
18 A" 43 38 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 9420.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 8510.2 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 HF/CEP-121G*
ABC
0.13162 0.08369 0.06962

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 0.597 0.000
C2 -0.289 -0.908 0.000
O3 0.802 -1.657 0.000
O4 -1.405 -1.298 0.000
F5 -0.993 1.343 0.000
F6 0.802 0.889 1.072
F7 0.802 0.889 -1.072
H8 0.545 -2.575 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55142.36502.41231.31161.32151.32153.2050
C21.55141.32341.18242.35792.35972.35971.8639
O32.36501.32342.23603.49532.76222.76220.9530
O42.41231.18242.23602.67303.28713.28712.3308
F51.31162.35793.49532.67302.13942.13944.2083
F61.32152.35972.76223.28712.13942.14453.6346
F71.32152.35972.76223.28712.13942.14453.6346
H83.20501.86390.95302.33084.20833.63463.6346

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 110.454 C1 C2 O4 123.301
C2 C1 F5 110.609 C2 C1 F6 110.181
C2 C1 F7 110.181 C2 O3 H8 108.841
O3 C2 O4 126.246 F5 C1 F6 108.678
F5 C1 F7 108.678 F6 C1 F7 108.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.853      
2 C 0.309      
3 O -0.533      
4 O -0.353      
5 F -0.240      
6 F -0.262      
7 F -0.262      
8 H 0.489      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.135 -2.016 0.000 2.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.892 -2.836 0.000
y -2.836 -30.902 0.000
z 0.000 0.000 -36.934
Traceless
 xyz
x -8.974 -2.836 0.000
y -2.836 9.011 0.000
z 0.000 0.000 -0.037
Polar
3z2-r2-0.073
x2-y2-11.990
xy-2.836
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.477 0.085 0.000
y 0.085 4.181 0.000
z 0.000 0.000 3.131


<r2> (average value of r2) Å2
<r2> 133.035
(<r2>)1/2 11.534