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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-526.639035
Energy at 298.15K-526.642262
HF Energy-526.639035
Nuclear repulsion energy 
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 wB97X-D/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' 3777 3582 90.72      
2 A' 1934 1834 273.77      
3 A' 1471 1395 36.28      
4 A' 1318 1250 134.51      
5 A' 1257 1192 232.48      
6 A' 1190 1129 313.44      
7 A' 813 771 4.61      
8 A' 674 639 80.98      
9 A' 594 563 8.80      
10 A' 428 406 0.02      
11 A' 394 373 2.12      
12 A' 237 225 1.34      
13 A" 1253 1189 284.49      
14 A" 801 760 49.67      
15 A" 627 595 109.36      
16 A" 508 482 0.78      
17 A" 239 227 0.05      
18 A" 27 26 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 8770.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 8318.7 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 wB97X-D/6-31G*
ABC
0.12870 0.08339 0.06916

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 0.598 0.000
C2 -0.290 -0.903 0.000
O3 0.811 -1.651 0.000
O4 -1.419 -1.301 0.000
F5 -1.009 1.339 0.000
F6 0.811 0.888 1.085
F7 0.811 0.888 -1.085
H8 0.540 -2.582 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54802.36222.42591.32471.33521.33523.2116
C21.54801.33171.19772.35372.36612.36611.8730
O32.36221.33172.25813.50032.76172.76170.9694
O42.42591.19772.25812.67183.30893.30892.3406
F51.32472.35373.50032.67182.16642.16644.2152
F61.33522.36612.76173.30892.16642.17033.6460
F71.33522.36612.76173.30892.16642.17033.6460
H83.21161.87300.96942.34064.21523.64603.6460

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 110.003 C1 C2 O4 123.639
C2 C1 F5 109.796 C2 C1 F6 110.080
C2 C1 F7 110.080 C2 O3 H8 107.933
O3 C2 O4 126.357 F5 C1 F6 109.067
F5 C1 F7 109.067 F6 C1 F7 108.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.821      
2 C 0.486      
3 O -0.563      
4 O -0.430      
5 F -0.248      
6 F -0.257      
7 F -0.257      
8 H 0.447      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.061 -1.817 0.000 2.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.065 -2.662 0.000
y -2.662 -29.896 0.000
z 0.000 0.000 -35.795
Traceless
 xyz
x -8.219 -2.662 0.000
y -2.662 8.534 0.000
z 0.000 0.000 -0.314
Polar
3z2-r2-0.629
x2-y2-11.169
xy-2.662
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.529 0.004 0.000
y 0.004 4.320 0.000
z 0.000 0.000 2.956


<r2> (average value of r2) Å2
<r2> 166.023
(<r2>)1/2 12.885