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

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-518.949707
Energy at 298.15K-518.952076
HF Energy-518.949707
Nuclear repulsion energy322.204871
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 PBE1PBE/STO-3G
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' 3780 3335 10.85      
2 A' 1918 1692 62.73      
3 A' 1491 1315 5.30      
4 A' 1352 1193 70.28      
5 A' 1232 1086 95.19      
6 A' 1140 1006 149.20      
7 A' 769 678 1.82      
8 A' 597 526 53.56      
9 A' 534 471 11.28      
10 A' 377 332 0.18      
11 A' 334 294 1.92      
12 A' 173 153 0.35      
13 A" 1316 1161 122.43      
14 A" 690 609 17.22      
15 A" 622 548 67.63      
16 A" 445 392 0.29      
17 A" 200 176 0.00      
18 A" 18 16 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 8493.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 7491.7 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 PBE1PBE/STO-3G
ABC
0.11843 0.07559 0.06287

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.097 0.628 0.000
C2 -0.321 -0.940 0.000
O3 0.851 -1.715 0.000
O4 -1.475 -1.403 0.000
F5 -1.052 1.412 0.000
F6 0.851 0.932 1.131
F7 0.851 0.932 -1.131
H8 0.487 -2.670 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.62342.46162.56851.38991.39321.39323.3215
C21.62341.40521.24292.46252.48192.48191.9094
O32.46161.40522.34693.65982.87832.87831.0226
O42.56851.24292.34692.84633.48473.48472.3353
F51.38992.46253.65982.84632.26502.26504.3619
F61.39322.48192.87833.48472.26502.26233.7931
F71.39322.48192.87833.48472.26502.26233.7931
H83.32151.90941.02262.33534.36193.79313.7931

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 108.520 C1 C2 O4 126.787
C2 C1 F5 109.369 C2 C1 F6 110.490
C2 C1 F7 110.490 C2 O3 H8 102.567
O3 C2 O4 124.693 F5 C1 F6 108.946
F5 C1 F7 108.946 F6 C1 F7 108.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.283      
2 C 0.182      
3 O -0.214      
4 O -0.199      
5 F -0.089      
6 F -0.090      
7 F -0.090      
8 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.589 -1.223 0.000 1.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.346 -1.419 0.000
y -1.419 -27.558 0.000
z 0.000 0.000 -31.949
Traceless
 xyz
x -6.593 -1.419 0.000
y -1.419 6.589 0.000
z 0.000 0.000 0.003
Polar
3z2-r20.007
x2-y2-8.788
xy-1.419
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.072 -0.012 0.000
y -0.012 3.258 0.000
z 0.000 0.000 1.573


<r2> (average value of r2) Å2
<r2> 177.737
(<r2>)1/2 13.332