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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-523.432754
Energy at 298.15K-523.435867
HF Energy-523.432754
Nuclear repulsion energy333.781537
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 HSEh1PBE/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' 3546 3404 55.16      
2 A' 1846 1772 182.06      
3 A' 1432 1374 24.65      
4 A' 1314 1261 140.90      
5 A' 1233 1184 170.52      
6 A' 1116 1071 275.78      
7 A' 776 745 4.09      
8 A' 645 620 71.31      
9 A' 575 552 18.32      
10 A' 415 398 0.13      
11 A' 383 368 2.30      
12 A' 223 214 1.34      
13 A" 1270 1219 238.63      
14 A" 781 750 29.95      
15 A" 618 594 159.23      
16 A" 486 466 0.35      
17 A" 228 218 0.01      
18 A" 30 28 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 8458.2 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 8119.1 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 HSEh1PBE/3-21G*
ABC
0.12395 0.08331 0.06851

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.582 0.000
C2 -0.305 -0.887 0.000
O3 0.829 -1.628 0.000
O4 -1.441 -1.314 0.000
F5 -1.035 1.344 0.000
F6 0.829 0.881 1.102
F7 0.829 0.881 -1.102
H8 0.604 -2.596 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52032.33142.43571.35551.36181.36183.2198
C21.52031.35501.21382.34632.37202.37201.9360
O32.33141.35502.29173.50742.74042.74040.9936
O42.43571.21382.29172.68873.34503.34502.4136
F51.35552.34633.50742.68872.21402.21404.2665
F61.36182.37202.74043.34502.21402.20383.6543
F71.36182.37202.74043.34502.21402.20383.6543
H83.21981.93600.99362.41364.26653.65433.6543

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 108.216 C1 C2 O4 125.586
C2 C1 F5 109.212 C2 C1 F6 110.653
C2 C1 F7 110.653 C2 O3 H8 110.091
O3 C2 O4 126.197 F5 C1 F6 109.131
F5 C1 F7 109.131 F6 C1 F7 108.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.835      
2 C 0.565      
3 O -0.557      
4 O -0.441      
5 F -0.269      
6 F -0.268      
7 F -0.268      
8 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.854 -2.203 0.000 2.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.890 -2.735 0.000
y -2.735 -29.776 0.000
z 0.000 0.000 -36.285
Traceless
 xyz
x -8.860 -2.735 0.000
y -2.735 9.312 0.000
z 0.000 0.000 -0.452
Polar
3z2-r2-0.905
x2-y2-12.115
xy-2.735
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.993 -0.085 0.000
y -0.085 3.635 0.000
z 0.000 0.000 2.248


<r2> (average value of r2) Å2
<r2> 168.155
(<r2>)1/2 12.967