return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-526.554742
Energy at 298.15K-526.557989
HF Energy-526.142088
Nuclear repulsion energy336.762108
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/6-311G*
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' 3754 3754 68.42      
2 A' 1865 1865 264.35      
3 A' 1440 1440 37.16      
4 A' 1283 1283 47.69      
5 A' 1232 1232 334.88      
6 A' 1156 1156 332.00      
7 A' 801 801 4.73      
8 A' 672 672 78.32      
9 A' 591 591 8.84      
10 A' 429 429 0.08      
11 A' 394 394 2.13      
12 A' 241 241 1.15      
13 A" 1201 1201 310.48      
14 A" 798 798 52.31      
15 A" 623 623 114.19      
16 A" 510 510 1.40      
17 A" 245 245 0.03      
18 A" 28 28 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 8632.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8632.1 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/6-311G*
ABC
0.12826 0.08328 0.06903

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.590 0.000
C2 -0.295 -0.902 0.000
O3 0.813 -1.650 0.000
O4 -1.423 -1.303 0.000
F5 -1.007 1.345 0.000
F6 0.813 0.887 1.086
F7 0.813 0.887 -1.086
H8 0.545 -2.581 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54062.35552.42221.32911.33981.33983.2038
C21.54061.33691.19792.35772.36832.36831.8766
O32.35551.33692.26353.50542.76022.76020.9682
O42.42221.19792.26352.68123.31373.31372.3464
F51.32912.35773.50542.68122.16842.16844.2215
F61.33982.36832.76023.31372.16842.17193.6438
F71.33982.36832.76023.31372.16842.17193.6438
H83.20381.87660.96822.34644.22153.64383.6438

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 109.688 C1 C2 O4 123.904
C2 C1 F5 110.274 C2 C1 F6 110.426
C2 C1 F7 110.426 C2 O3 H8 107.929
O3 C2 O4 126.408 F5 C1 F6 108.677
F5 C1 F7 108.677 F6 C1 F7 108.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.677      
2 C 0.267      
3 O -0.490      
4 O -0.283      
5 F -0.189      
6 F -0.202      
7 F -0.202      
8 H 0.422      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.902 -2.066 0.000 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.076 -2.578 0.000
y -2.578 -30.669 0.000
z 0.000 0.000 -36.758
Traceless
 xyz
x -8.362 -2.578 0.000
y -2.578 8.748 0.000
z 0.000 0.000 -0.385
Polar
3z2-r2-0.770
x2-y2-11.407
xy-2.578
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.631 -0.040 0.000
y -0.040 4.344 0.000
z 0.000 0.000 3.003


<r2> (average value of r2) Å2
<r2> 166.893
(<r2>)1/2 12.919