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

using model chemistry: HF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-524.520444
Energy at 298.15K-524.524061
HF Energy-524.520444
Nuclear repulsion energy342.433545
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/6-311G**
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' 4108 3732 154.19      
2 A' 2082 1891 388.85      
3 A' 1585 1440 86.75      
4 A' 1426 1295 211.06      
5 A' 1358 1234 246.41      
6 A' 1276 1159 405.78      
7 A' 884 803 4.67      
8 A' 739 672 101.65      
9 A' 650 590 11.59      
10 A' 472 429 0.21      
11 A' 426 387 2.51      
12 A' 261 237 1.52      
13 A" 1362 1237 352.47      
14 A" 887 806 55.96      
15 A" 623 566 129.77      
16 A" 554 503 12.14      
17 A" 270 246 0.26      
18 A" 46 41 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 9504.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 8634.4 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/6-311G**
ABC
0.13353 0.08547 0.07102

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 0.590 0.000
C2 -0.287 -0.897 0.000
O3 0.796 -1.639 0.000
O4 -1.393 -1.282 0.000
F5 -0.987 1.329 0.000
F6 0.796 0.878 1.064
F7 0.796 0.878 -1.064
H8 0.553 -2.554 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53252.33892.38501.30231.31231.31233.1780
C21.53251.31251.17122.33392.33602.33601.8574
O32.33891.31252.21793.46232.73232.73230.9468
O42.38501.17122.21792.64313.25463.25462.3246
F51.30232.33393.46232.64312.12522.12524.1773
F61.31232.33602.73233.25462.12522.12893.6011
F71.31232.33602.73233.25462.12522.12893.6011
H83.17801.85740.94682.32464.17733.60113.6011

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 110.353 C1 C2 O4 123.245
C2 C1 F5 110.572 C2 C1 F6 110.159
C2 C1 F7 110.159 C2 O3 H8 109.530
O3 C2 O4 126.402 F5 C1 F6 108.745
F5 C1 F7 108.745 F6 C1 F7 108.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.894      
2 C 0.395      
3 O -0.392      
4 O -0.394      
5 F -0.254      
6 F -0.269      
7 F -0.269      
8 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.107 -2.011 0.000 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.556 -2.814 0.000
y -2.814 -30.895 0.000
z 0.000 0.000 -36.611
Traceless
 xyz
x -8.803 -2.814 0.000
y -2.814 8.688 0.000
z 0.000 0.000 0.115
Polar
3z2-r20.229
x2-y2-11.661
xy-2.814
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.110 0.054 0.000
y 0.054 3.751 0.000
z 0.000 0.000 2.752


<r2> (average value of r2) Å2
<r2> 162.771
(<r2>)1/2 12.758