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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-116.276921
Energy at 298.15K-116.279814
HF Energy-116.276921
Nuclear repulsion energy179.596928
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 B3LYP/CEP-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' 3662 3546 81.27      
2 A' 1712 1658 228.25      
3 A' 1369 1326 28.80      
4 A' 1178 1141 50.65      
5 A' 1118 1082 249.84      
6 A' 1054 1021 314.21      
7 A' 733 710 10.58      
8 A' 610 591 73.33      
9 A' 534 517 12.26      
10 A' 387 375 0.53      
11 A' 366 354 2.71      
12 A' 225 217 1.27      
13 A" 1090 1055 272.59      
14 A" 719 697 38.06      
15 A" 574 556 170.60      
16 A" 454 440 0.11      
17 A" 231 224 0.04      
18 A" 39 38 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 8026.9 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 7773.3 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 B3LYP/CEP-31G
ABC
0.11860 0.07818 0.06478

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 0.590 0.000
C2 -0.306 -0.928 0.000
O3 0.843 -1.687 0.000
O4 -1.470 -1.351 0.000
F5 -1.053 1.392 0.000
F6 0.843 0.915 1.133
F7 0.843 0.915 -1.133
H8 0.651 -2.657 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.56732.39932.48611.39231.40151.40153.2955
C21.56731.37711.23772.43732.44952.44951.9762
O32.39931.37712.33703.61572.83732.83730.9890
O42.48611.23772.33702.77403.42983.42982.4908
F51.39232.43733.61572.77402.25992.25994.3928
F61.40152.44952.83733.42982.25992.26603.7517
F71.40152.44952.83733.42982.25992.26603.7517
H83.29551.97620.98902.49084.39283.75173.7517

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 108.976 C1 C2 O4 124.408
C2 C1 F5 110.739 C2 C1 F6 111.071
C2 C1 F7 111.071 C2 O3 H8 112.238
O3 C2 O4 126.615 F5 C1 F6 107.974
F5 C1 F7 107.974 F6 C1 F7 107.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.185      
2 C -0.013      
3 O -0.284      
4 O -0.024      
5 F -0.083      
6 F -0.098      
7 F -0.098      
8 H 0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.918 -2.818 0.000 2.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.848 -3.292 0.000
y -3.292 -31.251 0.000
z 0.000 0.000 -38.477
Traceless
 xyz
x -9.984 -3.292 0.000
y -3.292 10.411 0.000
z 0.000 0.000 -0.427
Polar
3z2-r2-0.854
x2-y2-13.597
xy-3.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.066 -0.018 0.000
y -0.018 4.491 0.000
z 0.000 0.000 3.142


<r2> (average value of r2) Å2
<r2> 142.771
(<r2>)1/2 11.949