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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-526.315332
Energy at 298.15K-526.318315
HF Energy-526.315332
Nuclear repulsion energy332.593843
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 PBEPBE/6-31+G**
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' 3632 3591 74.41      
2 A' 1804 1783 277.72      
3 A' 1360 1345 29.55      
4 A' 1202 1189 71.04      
5 A' 1144 1131 300.41      
6 A' 1100 1087 271.07      
7 A' 760 751 5.71      
8 A' 634 627 68.21      
9 A' 555 549 7.19      
10 A' 400 395 0.05      
11 A' 372 367 1.64      
12 A' 227 225 1.45      
13 A" 1111 1099 309.71      
14 A" 750 741 42.77      
15 A" 592 585 89.51      
16 A" 478 472 1.21      
17 A" 229 227 0.00      
18 A" 19 19 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 8184.2 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8090.9 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 PBEPBE/6-31+G**
ABC
0.12498 0.08128 0.06742

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.595 0.000
C2 -0.296 -0.914 0.000
O3 0.824 -1.668 0.000
O4 -1.439 -1.319 0.000
F5 -1.021 1.359 0.000
F6 0.824 0.900 1.102
F7 0.824 0.900 -1.102
H8 0.537 -2.607 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55692.37932.44831.34631.36001.36003.2335
C21.55691.34921.21352.38642.39952.39951.8867
O32.37931.34922.28993.54472.79372.79370.9823
O42.44831.21352.28992.71083.35563.35562.3593
F51.34632.38643.54472.71082.19762.19764.2615
F61.36002.39952.79373.35562.19762.20383.6870
F71.36002.39952.79373.35562.19762.20383.6870
H83.23351.88670.98232.35934.26153.68703.6870

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 109.708 C1 C2 O4 123.728
C2 C1 F5 110.355 C2 C1 F6 110.511
C2 C1 F7 110.511 C2 O3 H8 106.986
O3 C2 O4 126.564 F5 C1 F6 108.582
F5 C1 F7 108.582 F6 C1 F7 108.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.790      
2 C 0.320      
3 O -0.380      
4 O -0.369      
5 F -0.253      
6 F -0.242      
7 F -0.242      
8 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.034 -2.029 0.000 2.277
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.699 -2.771 0.000
y -2.771 -31.492 0.000
z 0.000 0.000 -37.622
Traceless
 xyz
x -8.142 -2.771 0.000
y -2.771 8.669 0.000
z 0.000 0.000 -0.527
Polar
3z2-r2-1.054
x2-y2-11.207
xy-2.771
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.082 0.010 0.000
y 0.010 5.829 0.000
z 0.000 0.000 4.241


<r2> (average value of r2) Å2
<r2> 170.896
(<r2>)1/2 13.073