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

using model chemistry: PBE1PBE/6-31G*

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/6-31G*
 hartrees
Energy at 0K-526.270756
Energy at 298.15K-526.273961
HF Energy-526.270756
Nuclear repulsion energy337.464083
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/6-31G*
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' 3743 3557 84.01      
2 A' 1928 1832 267.37      
3 A' 1469 1396 36.46      
4 A' 1323 1257 155.58      
5 A' 1255 1192 200.21      
6 A' 1187 1128 303.91      
7 A' 816 775 4.05      
8 A' 672 638 79.23      
9 A' 593 563 9.55      
10 A' 427 406 0.03      
11 A' 393 374 2.22      
12 A' 235 223 1.32      
13 A" 1259 1197 280.61      
14 A" 799 759 45.38      
15 A" 625 594 106.76      
16 A" 506 481 0.89      
17 A" 236 224 0.03      
18 A" 23 22 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 8743.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8308.6 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/6-31G*
ABC
0.12875 0.08368 0.06934

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.593 0.000
C2 -0.290 -0.898 0.000
O3 0.812 -1.647 0.000
O4 -1.420 -1.300 0.000
F5 -1.007 1.340 0.000
F6 0.812 0.885 1.084
F7 0.812 0.885 -1.084
H8 0.523 -2.577 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53842.35482.42031.32521.33581.33583.1996
C21.53841.33281.19902.35042.35972.35971.8651
O32.35481.33282.25863.49792.75442.75440.9733
O42.42031.19902.25862.67293.30613.30612.3242
F51.32522.35043.49792.67292.16572.16574.2052
F61.33582.35972.75443.30612.16572.16753.6387
F71.33582.35972.75443.30612.16572.16753.6387
H83.19961.86510.97332.32424.20523.63873.6387

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 109.990 C1 C2 O4 123.823
C2 C1 F5 110.105 C2 C1 F6 110.171
C2 C1 F7 110.171 C2 O3 H8 106.914
O3 C2 O4 126.187 F5 C1 F6 108.953
F5 C1 F7 108.953 F6 C1 F7 108.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.811      
2 C 0.477      
3 O -0.558      
4 O -0.425      
5 F -0.243      
6 F -0.253      
7 F -0.253      
8 H 0.444      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.052 -1.786 0.000 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.938 -2.620 0.000
y -2.620 -29.921 0.000
z 0.000 0.000 -35.784
Traceless
 xyz
x -8.086 -2.620 0.000
y -2.620 8.440 0.000
z 0.000 0.000 -0.354
Polar
3z2-r2-0.708
x2-y2-11.017
xy-2.620
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.552 -0.007 0.000
y -0.007 4.380 0.000
z 0.000 0.000 2.968


<r2> (average value of r2) Å2
<r2> 165.652
(<r2>)1/2 12.871