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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-526.432918
Energy at 298.15K-526.436021
HF Energy-526.432918
Nuclear repulsion energy330.978437
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 B3PW91/6-31G
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' 3650 3496 77.35      
2 A' 1796 1720 215.29      
3 A' 1429 1368 31.67      
4 A' 1249 1197 93.18      
5 A' 1196 1145 220.07      
6 A' 1109 1062 294.56      
7 A' 767 735 8.96      
8 A' 639 612 73.53      
9 A' 564 540 13.98      
10 A' 408 390 0.44      
11 A' 387 370 2.38      
12 A' 237 227 1.30      
13 A" 1184 1134 260.76      
14 A" 762 730 40.56      
15 A" 611 585 167.46      
16 A" 472 453 0.01      
17 A" 237 227 0.01      
18 A" 35 34 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 8366.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8013.0 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 B3PW91/6-31G
ABC
0.12203 0.08157 0.06746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.083 0.579 0.000
C2 -0.294 -0.898 0.000
O3 0.830 -1.654 0.000
O4 -1.442 -1.317 0.000
F5 -1.046 1.358 0.000
F6 0.830 0.893 1.117
F7 0.830 0.893 -1.117
H8 0.627 -2.613 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52492.35502.43341.37101.38051.38053.2382
C21.52491.35441.22222.37812.39202.39201.9460
O32.35501.35442.29723.54822.78162.78160.9802
O42.43341.22222.29722.70403.36113.36112.4411
F51.37102.37813.54822.70402.23232.23234.3085
F61.38052.39202.78163.36112.23232.23493.6855
F71.38052.39202.78163.36112.23232.23493.6855
H83.23821.94600.98022.44114.30853.68553.6855

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 109.612 C1 C2 O4 124.332
C2 C1 F5 110.302 C2 C1 F6 110.739
C2 C1 F7 110.739 C2 O3 H8 111.926
O3 C2 O4 126.055 F5 C1 F6 108.446
F5 C1 F7 108.446 F6 C1 F7 108.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.791      
2 C 0.441      
3 O -0.536      
4 O -0.350      
5 F -0.257      
6 F -0.259      
7 F -0.259      
8 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.913 -2.503 0.000 2.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.215 -3.015 0.000
y -3.015 -30.303 0.000
z 0.000 0.000 -37.206
Traceless
 xyz
x -9.460 -3.015 0.000
y -3.015 9.908 0.000
z 0.000 0.000 -0.447
Polar
3z2-r2-0.895
x2-y2-12.912
xy-3.015
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.628 -0.068 0.000
y -0.068 3.986 0.000
z 0.000 0.000 2.693


<r2> (average value of r2) Å2
<r2> 171.277
(<r2>)1/2 13.087