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

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-524.584049
Energy at 298.15K-524.587665
HF Energy-524.584049
Nuclear repulsion energy342.461310
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 HF/cc-pVTZ
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' 4092 3724 152.76      
2 A' 2064 1878 376.52      
3 A' 1576 1435 73.41      
4 A' 1426 1298 213.28      
5 A' 1353 1232 224.99      
6 A' 1271 1157 374.29      
7 A' 885 806 2.69      
8 A' 739 672 93.60      
9 A' 652 593 10.86      
10 A' 471 429 0.11      
11 A' 425 386 2.55      
12 A' 260 236 1.55      
13 A" 1362 1239 322.78      
14 A" 889 809 50.08      
15 A" 623 567 114.86      
16 A" 555 505 12.24      
17 A" 271 247 0.25      
18 A" 43 39 2.07      

Unscaled Zero Point Vibrational Energy (zpe) 9478.2 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 8626.1 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 HF/cc-pVTZ
ABC
0.13391 0.08526 0.07089

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 0.593 0.000
C2 -0.287 -0.900 0.000
O3 0.795 -1.642 0.000
O4 -1.393 -1.285 0.000
F5 -0.985 1.330 0.000
F6 0.795 0.880 1.063
F7 0.795 0.880 -1.063
H8 0.552 -2.557 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53792.34472.38991.29941.30991.30993.1840
C21.53791.31201.17142.33652.33822.33821.8574
O32.34471.31202.21673.46432.73692.73690.9466
O42.38991.17142.21672.64733.25673.25672.3236
F51.29942.33653.46432.64732.12112.12114.1798
F61.30992.33822.73693.25672.12112.12533.6058
F71.30992.33822.73693.25672.12112.12533.6058
H83.18401.85740.94662.32364.17983.60583.6058

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 110.466 C1 C2 O4 123.225
C2 C1 F5 110.588 C2 C1 F6 110.123
C2 C1 F7 110.123 C2 O3 H8 109.586
O3 C2 O4 126.309 F5 C1 F6 108.759
F5 C1 F7 108.759 F6 C1 F7 108.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.659      
2 C 0.299      
3 O -0.291      
4 O -0.322      
5 F -0.184      
6 F -0.206      
7 F -0.206      
8 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.212 -1.890 0.000 2.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.139 -2.904 0.000
y -2.904 -30.860 0.000
z 0.000 0.000 -36.508
Traceless
 xyz
x -8.455 -2.904 0.000
y -2.904 8.464 0.000
z 0.000 0.000 -0.009
Polar
3z2-r2-0.018
x2-y2-11.279
xy-2.904
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.567 0.068 0.000
y 0.068 4.327 0.000
z 0.000 0.000 3.266


<r2> (average value of r2) Å2
<r2> 162.806
(<r2>)1/2 12.760