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: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-523.383353
Energy at 298.15K-523.386464
HF Energy-523.383353
Nuclear repulsion energy333.801087
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 PBE1PBE/3-21G*
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' 3552 3409 56.42      
2 A' 1847 1773 182.61      
3 A' 1433 1375 26.01      
4 A' 1318 1265 142.30      
5 A' 1235 1185 169.36      
6 A' 1117 1072 274.76      
7 A' 777 746 3.97      
8 A' 645 619 71.98      
9 A' 574 551 18.69      
10 A' 415 398 0.13      
11 A' 383 367 2.32      
12 A' 222 213 1.33      
13 A" 1275 1224 238.99      
14 A" 781 749 29.48      
15 A" 618 593 160.39      
16 A" 486 466 0.35      
17 A" 227 218 0.01      
18 A" 30 29 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 8466.8 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 8126.4 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 PBE1PBE/3-21G*
ABC
0.12400 0.08331 0.06849

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.583 0.000
C2 -0.306 -0.887 0.000
O3 0.829 -1.628 0.000
O4 -1.442 -1.315 0.000
F5 -1.034 1.344 0.000
F6 0.829 0.881 1.101
F7 0.829 0.881 -1.101
H8 0.604 -2.596 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52132.33192.43691.35491.36111.36113.2204
C21.52131.35511.21412.34652.37212.37211.9359
O32.33191.35512.29223.50732.74032.74030.9938
O42.43691.21412.29222.68963.34553.34552.4136
F51.35492.34653.50732.68962.21312.21314.2665
F61.36112.37212.74033.34552.21312.20283.6543
F71.36112.37212.74033.34552.21312.20283.6543
H83.22041.93590.99382.41364.26653.65433.6543

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 108.196 C1 C2 O4 125.593
C2 C1 F5 109.205 C2 C1 F6 110.641
C2 C1 F7 110.641 C2 O3 H8 110.062
O3 C2 O4 126.211 F5 C1 F6 109.145
F5 C1 F7 109.145 F6 C1 F7 108.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.839      
2 C 0.568      
3 O -0.560      
4 O -0.443      
5 F -0.270      
6 F -0.270      
7 F -0.270      
8 H 0.405      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.854 -2.201 0.000 2.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.920 -2.735 0.000
y -2.735 -29.786 0.000
z 0.000 0.000 -36.310
Traceless
 xyz
x -8.873 -2.735 0.000
y -2.735 9.329 0.000
z 0.000 0.000 -0.457
Polar
3z2-r2-0.914
x2-y2-12.135
xy-2.735
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.997 -0.084 0.000
y -0.084 3.630 0.000
z 0.000 0.000 2.249


<r2> (average value of r2) Å2
<r2> 168.171
(<r2>)1/2 12.968