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

using model chemistry: HF/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-524.592785
Energy at 298.15K-524.596366
HF Energy-524.592785
Nuclear repulsion energy342.326863
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/daug-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' 4085 3696 155.26      
2 A' 2055 1859 387.41      
3 A' 1569 1419 74.29      
4 A' 1420 1284 203.95      
5 A' 1348 1220 225.27      
6 A' 1269 1148 370.16      
7 A' 883 799 2.60      
8 A' 737 667 93.14      
9 A' 651 589 10.52      
10 A' 470 425 0.07      
11 A' 423 383 2.51      
12 A' 259 234 1.54      
13 A" 1355 1226 315.73      
14 A" 887 802 48.88      
15 A" 620 561 110.87      
16 A" 554 501 14.33      
17 A" 270 244 0.25      
18 A" 42 38 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 9448.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 8546.6 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 HF/daug-cc-pVTZ
ABC
0.13390 0.08511 0.07080

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-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 -0.901 0.000
O3 0.795 -1.643 0.000
O4 -1.393 -1.287 0.000
F5 -0.985 1.331 0.000
F6 0.795 0.881 1.063
F7 0.795 0.881 -1.063
H8 0.555 -2.559 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54022.34662.39171.29931.31021.31023.1872
C21.54021.31181.17132.33892.34032.34031.8594
O32.34661.31182.21653.46612.73912.73910.9467
O42.39171.17132.21652.65003.25843.25842.3264
F51.29932.33893.46612.65002.12092.12094.1838
F61.31022.34032.73913.25842.12092.12583.6087
F71.31022.34032.73913.25842.12092.12583.6087
H83.18721.85940.94672.32644.18383.60873.6087

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 110.473 C1 C2 O4 123.210
C2 C1 F5 110.629 C2 C1 F6 110.124
C2 C1 F7 110.124 C2 O3 H8 109.773
O3 C2 O4 126.317 F5 C1 F6 108.735
F5 C1 F7 108.735 F6 C1 F7 108.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 3.393      
2 C 0.355      
3 O -1.015      
4 O -1.150      
5 F -0.716      
6 F -0.653      
7 F -0.653      
8 H 0.440      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.241 -1.883 0.000 2.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.382 -2.961 0.000
y -2.961 -31.125 0.000
z 0.000 0.000 -36.789
Traceless
 xyz
x -8.425 -2.961 0.000
y -2.961 8.460 0.000
z 0.000 0.000 -0.035
Polar
3z2-r2-0.070
x2-y2-11.257
xy-2.961
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.110 0.075 0.000
y 0.075 4.935 0.000
z 0.000 0.000 3.845


<r2> (average value of r2) Å2
<r2> 163.130
(<r2>)1/2 12.772