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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-526.622762
Energy at 298.15K-526.625930
HF Energy-526.622762
Nuclear repulsion energy335.922587
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 B3PW91/6-31+G**
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' 3782 3631 101.50      
2 A' 1886 1811 308.02      
3 A' 1429 1372 44.30      
4 A' 1266 1216 129.62      
5 A' 1209 1161 253.07      
6 A' 1158 1112 298.08      
7 A' 797 765 5.23      
8 A' 663 636 77.48      
9 A' 581 558 8.55      
10 A' 419 402 0.04      
11 A' 386 371 1.94      
12 A' 235 226 1.48      
13 A" 1190 1143 313.89      
14 A" 786 755 42.90      
15 A" 602 578 105.59      
16 A" 500 480 1.62      
17 A" 240 230 0.03      
18 A" 25 24 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 8576.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 8234.4 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 B3PW91/6-31+G**
ABC
0.12785 0.08268 0.06864

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.593 0.000
C2 -0.291 -0.909 0.000
O3 0.814 -1.657 0.000
O4 -1.423 -1.308 0.000
F5 -1.010 1.347 0.000
F6 0.814 0.893 1.089
F7 0.814 0.893 -1.089
H8 0.544 -2.590 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54822.36432.42761.33121.34351.34353.2152
C21.54821.33391.20112.36782.37732.37731.8766
O32.36431.33392.26413.51442.77252.77250.9712
O42.42761.20112.26412.68713.32203.32202.3477
F51.33122.36783.51442.68712.17272.17274.2324
F61.34352.37732.77253.32202.17272.17803.6589
F71.34352.37732.77253.32202.17272.17803.6589
H83.21521.87660.97122.34774.23243.65893.6589

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 110.016 C1 C2 O4 123.521
C2 C1 F5 110.413 C2 C1 F6 110.396
C2 C1 F7 110.396 C2 O3 H8 107.967
O3 C2 O4 126.463 F5 C1 F6 108.638
F5 C1 F7 108.638 F6 C1 F7 108.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.884      
2 C 0.367      
3 O -0.422      
4 O -0.396      
5 F -0.284      
6 F -0.269      
7 F -0.269      
8 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.082 -2.048 0.000 2.317
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.499 -2.825 0.000
y -2.825 -31.063 0.000
z 0.000 0.000 -37.206
Traceless
 xyz
x -8.364 -2.825 0.000
y -2.825 8.789 0.000
z 0.000 0.000 -0.425
Polar
3z2-r2-0.851
x2-y2-11.435
xy-2.825
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.642 0.031 0.000
y 0.031 5.289 0.000
z 0.000 0.000 3.926


<r2> (average value of r2) Å2
<r2> 167.975
(<r2>)1/2 12.961