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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-526.418682
Energy at 298.15K-526.421950
HF Energy-526.418682
Nuclear repulsion energy338.063311
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/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' 3783 3626 66.70      
2 A' 1917 1837 300.15      
3 A' 1453 1393 40.93      
4 A' 1295 1241 88.64      
5 A' 1243 1191 303.25      
6 A' 1179 1130 326.86      
7 A' 814 780 5.06      
8 A' 678 650 83.35      
9 A' 595 571 9.44      
10 A' 431 413 0.06      
11 A' 394 378 2.17      
12 A' 238 228 1.21      
13 A" 1221 1170 315.37      
14 A" 809 775 54.23      
15 A" 629 603 113.65      
16 A" 514 493 1.32      
17 A" 242 232 0.01      
18 A" 29 28 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 8730.4 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8368.1 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/6-311G*
ABC
0.12948 0.08377 0.06949

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.591 0.000
C2 -0.291 -0.902 0.000
O3 0.809 -1.646 0.000
O4 -1.414 -1.300 0.000
F5 -1.005 1.337 0.000
F6 0.809 0.888 1.081
F7 0.809 0.888 -1.081
H8 0.541 -2.575 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53922.35082.41421.32291.33381.33383.1984
C21.53921.32841.19222.35032.36212.36211.8691
O32.35081.32842.25023.49222.75492.75490.9667
O42.41421.19222.25022.66933.30143.30142.3344
F51.32292.35033.49222.66932.15962.15964.2073
F61.33382.36212.75493.30142.15962.16233.6375
F71.33382.36212.75493.30142.15962.16233.6375
H83.19841.86910.96672.33444.20733.63753.6375

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 109.910 C1 C2 O4 123.734
C2 C1 F5 110.176 C2 C1 F6 110.401
C2 C1 F7 110.401 C2 O3 H8 108.017
O3 C2 O4 126.356 F5 C1 F6 108.754
F5 C1 F7 108.754 F6 C1 F7 108.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.644      
2 C 0.279      
3 O -0.492      
4 O -0.298      
5 F -0.178      
6 F -0.192      
7 F -0.192      
8 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.984 -2.026 0.000 2.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.818 -2.670 0.000
y -2.670 -30.311 0.000
z 0.000 0.000 -36.497
Traceless
 xyz
x -8.413 -2.670 0.000
y -2.670 8.846 0.000
z 0.000 0.000 -0.433
Polar
3z2-r2-0.866
x2-y2-11.507
xy-2.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.567 -0.020 0.000
y -0.020 4.333 0.000
z 0.000 0.000 2.998


<r2> (average value of r2) Å2
<r2> 165.711
(<r2>)1/2 12.873