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 CF3COF (trifluoroacetyl fluoride)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-545.359188
Energy at 298.15K-545.361208
HF Energy-545.359188
Nuclear repulsion energy336.585537
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 HF/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' 2094 1890 184.13      
2 A' 1454 1313 320.00      
3 A' 1450 1309 39.00      
4 A' 1247 1126 295.97      
5 A' 850 767 1.74      
6 A' 724 653 74.71      
7 A' 620 560 5.20      
8 A' 451 407 5.67      
9 A' 403 364 0.16      
10 A' 226 204 7.22      
11 A" 1407 1270 256.72      
12 A" 826 746 15.96      
13 A" 533 481 21.61      
14 A" 248 224 11.00      
15 A" 45 41 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 6289.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 5677.1 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 HF/3-21G*
ABC
0.12680 0.08431 0.06933

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.073 0.572 0.000
C2 -0.305 -0.888 0.000
O3 -1.389 -1.339 0.000
F4 -1.030 1.323 0.000
F5 0.806 0.856 1.087
F6 0.806 0.856 -1.087
F7 0.806 -1.634 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 F7
C11.50742.40601.33451.34171.34172.3248
C21.50741.17492.32692.33592.33591.3386
O32.40601.17492.68653.28963.28962.2154
F41.33452.32692.68652.18442.18443.4813
F51.34172.33593.28962.18442.17332.7173
F61.34172.33593.28962.18442.17332.7173
F72.32481.33862.21543.48132.71732.7173

picture of trifluoroacetyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.096 C1 C2 F7 109.406
C2 C1 F4 109.775 C2 C1 F5 110.010
C2 C1 F6 110.010 O3 C2 F7 123.499
F4 C1 F5 109.421 F4 C1 F6 109.421
F5 C1 F6 108.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.117      
2 C 0.826      
3 O -0.480      
4 F -0.365      
5 F -0.367      
6 F -0.367      
7 F -0.364      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.371 0.301 0.000 0.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.494 -0.964 0.000
y -0.964 -39.319 0.000
z 0.000 0.000 -35.247
Traceless
 xyz
x -3.210 -0.964 0.000
y -0.964 -1.449 0.000
z 0.000 0.000 4.659
Polar
3z2-r29.319
x2-y2-1.174
xy-0.964
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.322 0.233 0.000
y 0.233 2.349 0.000
z 0.000 0.000 1.950


<r2> (average value of r2) Å2
<r2> 162.374
(<r2>)1/2 12.743