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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-526.108869
Energy at 298.15K-526.112010
HF Energy-526.108869
Nuclear repulsion energy331.916103
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' 3676 3514 84.59      
2 A' 1819 1739 220.51      
3 A' 1449 1385 36.38      
4 A' 1269 1213 109.67      
5 A' 1212 1159 208.68      
6 A' 1124 1075 291.73      
7 A' 779 744 8.79      
8 A' 646 617 75.99      
9 A' 570 545 14.98      
10 A' 412 394 0.50      
11 A' 390 373 2.48      
12 A' 238 227 1.32      
13 A" 1207 1154 261.69      
14 A" 770 736 39.08      
15 A" 615 588 173.23      
16 A" 477 456 0.00      
17 A" 238 228 0.02      
18 A" 36 34 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 8462.7 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 8089.5 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
0.12269 0.08208 0.06784

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 0.082 0.578 0.000
C2 -0.293 -0.896 0.000
O3 0.828 -1.648 0.000
O4 -1.439 -1.313 0.000
F5 -1.042 1.355 0.000
F6 0.828 0.890 1.114
F7 0.828 0.890 -1.114
H8 0.630 -2.607 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52112.34812.42761.36681.37611.37613.2313
C21.52111.35031.22002.37202.38442.38441.9436
O32.34811.35032.29223.53792.77172.77170.9785
O42.42761.22002.29222.69723.35183.35182.4400
F51.36682.37203.53792.69722.22602.22604.2996
F61.37612.38442.77173.35182.22602.22773.6747
F71.37612.38442.77173.35182.22602.22773.6747
H83.23131.94360.97852.44004.29963.67473.6747

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 109.579 C1 C2 O4 124.293
C2 C1 F5 110.328 C2 C1 F6 110.679
C2 C1 F7 110.679 C2 O3 H8 112.163
O3 C2 O4 126.128 F5 C1 F6 108.498
F5 C1 F7 108.498 F6 C1 F7 108.081
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 0.806      
2 C 0.452      
3 O -0.546      
4 O -0.355      
5 F -0.262      
6 F -0.263      
7 F -0.263      
8 H 0.431      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.922 -2.503 0.000 2.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.319 -3.035 0.000
y -3.035 -30.374 0.000
z 0.000 0.000 -37.281
Traceless
 xyz
x -9.491 -3.035 0.000
y -3.035 9.926 0.000
z 0.000 0.000 -0.435
Polar
3z2-r2-0.869
x2-y2-12.945
xy-3.035
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.587 -0.066 0.000
y -0.066 3.920 0.000
z 0.000 0.000 2.665


<r2> (average value of r2) Å2
<r2> 170.482
(<r2>)1/2 13.057