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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-524.611613
Energy at 298.15K-524.615206
HF Energy-524.611613
Nuclear repulsion energy342.414248
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 4099 3715 156.07      
2 A' 2059 1866 386.12      
3 A' 1570 1423 73.07      
4 A' 1423 1290 214.22      
5 A' 1350 1224 225.91      
6 A' 1269 1150 374.09      
7 A' 883 800 2.62      
8 A' 738 669 93.58      
9 A' 651 590 10.87      
10 A' 470 426 0.08      
11 A' 423 384 2.49      
12 A' 260 235 1.53      
13 A" 1360 1232 323.69      
14 A" 888 805 49.79      
15 A" 621 563 114.54      
16 A" 555 503 13.75      
17 A" 271 245 0.24      
18 A" 42 38 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 9465.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 8579.4 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/Def2TZVPP
ABC
0.13398 0.08514 0.07083

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.084 0.591 0.000
C2 -0.286 -0.903 0.000
O3 0.793 -1.648 0.000
O4 -1.392 -1.289 0.000
F5 -0.981 1.335 0.000
F6 0.793 0.884 1.061
F7 0.793 0.884 -1.061
H8 0.548 -2.561 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53922.34842.39031.29961.30951.30953.1859
C21.53921.31161.17092.34342.34222.34221.8560
O32.34841.31162.21413.47082.74542.74540.9457
O42.39031.17092.21412.65623.25963.25962.3191
F51.29962.34343.47082.65622.11632.11634.1853
F61.30952.34222.74543.25962.11632.12213.6134
F71.30952.34222.74543.25962.11632.12213.6134
H83.18591.85600.94572.31914.18533.61343.6134

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 110.672 C1 C2 O4 123.195
C2 C1 F5 110.995 C2 C1 F6 110.352
C2 C1 F7 110.352 C2 O3 H8 109.548
O3 C2 O4 126.133 F5 C1 F6 108.409
F5 C1 F7 108.409 F6 C1 F7 108.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.700      
2 C 0.439      
3 O -0.345      
4 O -0.376      
5 F -0.213      
6 F -0.227      
7 F -0.227      
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
  1.232 -1.907 0.000 2.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.315 -2.958 0.000
y -2.958 -30.931 0.000
z 0.000 0.000 -36.650
Traceless
 xyz
x -8.524 -2.958 0.000
y -2.958 8.551 0.000
z 0.000 0.000 -0.027
Polar
3z2-r2-0.054
x2-y2-11.383
xy-2.958
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.747 0.076 0.000
y 0.076 4.458 0.000
z 0.000 0.000 3.430


<r2> (average value of r2) Å2
<r2> 162.988
(<r2>)1/2 12.767