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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-526.787875
Energy at 298.15K-526.791039
HF Energy-526.787875
Nuclear repulsion energy335.734968
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 B3LYP/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' 3750 3603 74.31      
2 A' 1886 1812 254.70      
3 A' 1433 1377 29.42      
4 A' 1287 1236 120.16      
5 A' 1228 1180 228.63      
6 A' 1156 1111 307.31      
7 A' 797 766 4.30      
8 A' 663 637 74.90      
9 A' 583 560 8.44      
10 A' 421 404 0.02      
11 A' 388 373 1.97      
12 A' 236 227 1.35      
13 A" 1219 1171 274.21      
14 A" 784 753 44.74      
15 A" 612 588 100.71      
16 A" 498 478 1.04      
17 A" 235 226 0.04      
18 A" 22 21 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 8598.7 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 8261.6 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 B3LYP/6-31G**
ABC
0.12740 0.08281 0.06865

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.594 0.000
C2 -0.292 -0.903 0.000
O3 0.816 -1.656 0.000
O4 -1.425 -1.307 0.000
F5 -1.013 1.348 0.000
F6 0.816 0.889 1.090
F7 0.816 0.889 -1.090
H8 0.530 -2.586 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54432.36592.42911.33341.34421.34423.2113
C21.54431.34041.20252.36332.37222.37221.8738
O32.36591.34042.26793.51742.76932.76930.9729
O42.42911.20252.26792.68693.32153.32152.3362
F51.33342.36333.51742.68692.17792.17794.2261
F61.34422.37222.76933.32152.17792.18073.6537
F71.34422.37222.76933.32152.17792.18073.6537
H83.21131.87380.97292.33624.22613.65373.6537

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 110.000 C1 C2 O4 123.869
C2 C1 F5 110.204 C2 C1 F6 110.232
C2 C1 F7 110.232 C2 O3 H8 107.120
O3 C2 O4 126.131 F5 C1 F6 108.857
F5 C1 F7 108.857 F6 C1 F7 108.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.798      
2 C 0.479      
3 O -0.459      
4 O -0.420      
5 F -0.239      
6 F -0.249      
7 F -0.249      
8 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.041 -1.789 0.000 2.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.946 -2.640 0.000
y -2.640 -30.114 0.000
z 0.000 0.000 -35.793
Traceless
 xyz
x -7.993 -2.640 0.000
y -2.640 8.256 0.000
z 0.000 0.000 -0.263
Polar
3z2-r2-0.526
x2-y2-10.832
xy-2.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.598 -0.019 0.000
y -0.019 4.482 0.000
z 0.000 0.000 2.993


<r2> (average value of r2) Å2
<r2> 167.166
(<r2>)1/2 12.929