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

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-526.368646
Energy at 298.15K-526.371851
HF Energy-525.999344
Nuclear repulsion energy336.088837
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 B2PLYP/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' 3784 3784 85.19      
2 A' 1875 1875 232.89      
3 A' 1456 1456 37.03      
4 A' 1303 1303 133.89      
5 A' 1244 1244 213.41      
6 A' 1161 1161 308.56      
7 A' 803 803 3.97      
8 A' 664 664 74.77      
9 A' 589 589 9.24      
10 A' 424 424 0.05      
11 A' 392 392 2.20      
12 A' 238 238 1.28      
13 A" 1238 1238 278.02      
14 A" 787 787 42.69      
15 A" 618 618 106.01      
16 A" 501 501 0.79      
17 A" 239 239 0.06      
18 A" 26 26 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 8670.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8670.3 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 B2PLYP/6-31G**
ABC
0.12733 0.08324 0.06889

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.591 0.000
C2 -0.294 -0.898 0.000
O3 0.817 -1.651 0.000
O4 -1.430 -1.302 0.000
F5 -1.010 1.349 0.000
F6 0.817 0.884 1.090
F7 0.817 0.884 -1.090
H8 0.529 -2.578 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53722.35742.42621.33311.34341.34343.2002
C21.53721.34121.20582.35812.36522.36521.8709
O32.35741.34122.27313.51152.75852.75850.9713
O42.42621.20582.27312.68413.31843.31842.3377
F51.33312.35813.51152.68412.17682.17684.2178
F61.34342.36522.75853.31842.17682.17923.6408
F71.34342.36522.75853.31842.17682.17923.6408
H83.20021.87090.97132.33774.21783.64083.6408

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 109.781 C1 C2 O4 123.936
C2 C1 F5 110.282 C2 C1 F6 110.210
C2 C1 F7 110.210 C2 O3 H8 106.914
O3 C2 O4 126.282 F5 C1 F6 108.843
F5 C1 F7 108.843 F6 C1 F7 108.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.843      
2 C 0.477      
3 O -0.473      
4 O -0.413      
5 F -0.254      
6 F -0.264      
7 F -0.264      
8 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.990 -1.827 0.000 2.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.202 -2.565 0.000
y -2.565 -30.349 0.000
z 0.000 0.000 -36.031
Traceless
 xyz
x -8.012 -2.565 0.000
y -2.565 8.267 0.000
z 0.000 0.000 -0.255
Polar
3z2-r2-0.510
x2-y2-10.853
xy-2.565
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.624 -0.026 0.000
y -0.026 4.392 0.000
z 0.000 0.000 2.980


<r2> (average value of r2) Å2
<r2> 166.847
(<r2>)1/2 12.917