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

using model chemistry: B3LYP/CEP-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/CEP-31G*
 hartrees
Energy at 0K-116.438695
Energy at 298.15K-116.441799
HF Energy-116.438695
Nuclear repulsion energy183.622211
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/CEP-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' 3730 3602 79.72      
2 A' 1861 1797 300.21      
3 A' 1411 1363 34.70      
4 A' 1261 1218 49.33      
5 A' 1209 1168 337.99      
6 A' 1137 1098 301.80      
7 A' 786 759 3.89      
8 A' 654 632 74.17      
9 A' 573 553 7.72      
10 A' 413 399 0.05      
11 A' 380 367 1.96      
12 A' 232 224 1.22      
13 A" 1182 1142 308.93      
14 A" 765 739 38.85      
15 A" 594 574 113.06      
16 A" 495 478 2.43      
17 A" 239 230 0.02      
18 A" 33 32 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 8477.9 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8187.1 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 B3LYP/CEP-31G*
ABC
0.12556 0.08070 0.06699

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.089 0.603 0.000
C2 -0.297 -0.921 0.000
O3 0.823 -1.678 0.000
O4 -1.441 -1.327 0.000
F5 -1.016 1.364 0.000
F6 0.823 0.905 1.097
F7 0.823 0.905 -1.097
H8 0.533 -2.615 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.57152.39592.46261.34261.35401.35403.2483
C21.57151.35231.21392.39552.40642.40641.8871
O32.39591.35232.29123.55532.80652.80650.9808
O42.46261.21392.29122.72453.36293.36292.3576
F51.34262.39553.55532.72452.19022.19024.2706
F61.35402.40642.80653.36292.19022.19463.6985
F71.35402.40642.80653.36292.19022.19463.6985
H83.24831.88710.98082.35764.27063.69853.6985

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 109.834 C1 C2 O4 123.782
C2 C1 F5 110.334 C2 C1 F6 110.463
C2 C1 F7 110.463 C2 O3 H8 106.886
O3 C2 O4 126.384 F5 C1 F6 108.624
F5 C1 F7 108.624 F6 C1 F7 108.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.209      
2 C -0.040      
3 O -0.293      
4 O -0.064      
5 F -0.068      
6 F -0.090      
7 F -0.090      
8 H 0.435      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.018 -2.077 0.000 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.152 -2.789 0.000
y -2.789 -30.707 0.000
z 0.000 0.000 -36.874
Traceless
 xyz
x -8.361 -2.789 0.000
y -2.789 8.805 0.000
z 0.000 0.000 -0.444
Polar
3z2-r2-0.888
x2-y2-11.444
xy-2.789
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.949 0.047 0.000
y 0.047 4.783 0.000
z 0.000 0.000 3.358


<r2> (average value of r2) Å2
<r2> 137.239
(<r2>)1/2 11.715