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 CF3OH (trifluoromethanol)

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-410.814275
Energy at 298.15K-410.817179
HF Energy-410.814275
Nuclear repulsion energy202.707490
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' 3611 3466 56.84      
2 A' 1485 1426 194.62      
3 A' 1314 1261 410.28      
4 A' 1127 1082 250.37      
5 A' 886 850 0.78      
6 A' 607 583 8.41      
7 A' 575 552 27.90      
8 A' 422 405 4.62      
9 A" 1286 1235 379.21      
10 A" 604 580 20.35      
11 A" 434 416 24.89      
12 A" 177 170 147.20      

Unscaled Zero Point Vibrational Energy (zpe) 6264.0 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 6012.2 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
0.18547 0.18164 0.18155

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 0.003 0.022 0.000
O2 -1.048 0.882 0.000
F3 1.135 0.748 0.000
F4 0.003 -0.795 1.093
F5 0.003 -0.795 -1.093
H6 -1.911 0.399 0.000

Atom - Atom Distances (Å)
  C1 O2 F3 F4 F5 H6
C11.35861.34421.36491.36491.9511
O21.35862.18712.26162.26160.9885
F31.34422.18712.20362.20363.0654
F41.36492.26162.20362.18672.5074
F51.36492.26162.20362.18672.5074
H61.95110.98853.06542.50742.5074

picture of trifluoromethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H6 111.482 O2 C1 F3 108.031
O2 C1 F4 112.277 O2 C1 F5 112.277
F3 C1 F4 108.856 F3 C1 F5 108.856
F4 C1 F5 106.459
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 1.074      
2 O -0.604      
3 F -0.283      
4 F -0.295      
5 F -0.295      
6 H 0.403      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.262 -0.541 0.000 2.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.584 0.366 0.000
y 0.366 -28.271 0.000
z 0.000 0.000 -26.921
Traceless
 xyz
x 7.011 0.366 0.000
y 0.366 -4.518 0.000
z 0.000 0.000 -2.493
Polar
3z2-r2-4.987
x2-y27.686
xy0.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.213 0.052 0.000
y 0.052 1.733 0.000
z 0.000 0.000 1.512


<r2> (average value of r2) Å2
<r2> 84.125
(<r2>)1/2 9.172