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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-159.612651
Energy at 298.15K 
HF Energy-159.612651
Nuclear repulsion energy282.054617
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/CEP-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' 2055 1845 236.00 37.33 0.31 0.48
2 A' 1563 1404 302.17 2.23 0.16 0.28
3 A' 1498 1345 243.15 2.09 0.10 0.19
4 A' 1392 1250 208.38 1.91 0.55 0.71
5 A' 1333 1197 244.04 0.80 0.35 0.52
6 A' 1136 1020 347.74 0.87 0.71 0.83
7 A' 841 755 21.42 8.08 0.03 0.06
8 A' 711 638 22.00 2.46 0.29 0.45
9 A' 652 586 1.46 1.21 0.73 0.84
10 A' 553 496 4.87 0.60 0.60 0.75
11 A' 398 357 0.30 1.68 0.75 0.86
12 A' 389 349 2.09 2.86 0.35 0.52
13 A' 274 246 1.77 0.03 0.26 0.41
14 A' 180 162 2.02 0.12 0.56 0.71
15 A" 1356 1218 377.58 4.43 0.75 0.86
16 A" 712 639 9.18 11.61 0.75 0.86
17 A" 623 560 1.19 7.68 0.75 0.86
18 A" 505 454 4.52 0.63 0.75 0.86
19 A" 266 239 1.47 0.51 0.75 0.86
20 A" 137 123 0.40 0.74 0.75 0.86
21 A" 43 38 0.01 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8308.4 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 7460.9 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/CEP-31G*
ABC
0.08642 0.04165 0.03284

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 1.430 0.000
C2 -0.506 0.186 0.000
C3 0.279 -1.112 0.000
F4 -0.783 2.483 0.000
F5 1.236 1.748 0.000
F6 -1.822 -0.001 0.000
F7 1.580 -0.894 0.000
F8 -0.022 -1.836 1.067
F9 -0.022 -1.836 -1.067

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33462.56001.29831.29782.29932.82323.43613.4361
C21.33461.51692.31292.33911.32952.34912.33692.3369
C32.56001.51693.74803.01552.37661.31941.32391.3239
F41.29832.31293.74802.14852.69194.12134.51294.5129
F51.29782.33913.01552.14853.52262.66403.94503.9450
F62.29931.32952.37662.69193.52263.51742.78302.7830
F72.82322.34911.31944.12132.66403.51742.14302.1430
F83.43612.33691.32394.51293.94502.78302.14302.1333
F93.43612.33691.32394.51293.94502.78302.14302.1333

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.618 C1 C2 F6 119.325
C2 C1 F4 122.906 C2 C1 F5 125.388
C2 C3 F7 111.643 C2 C3 F8 110.518
C2 C3 F9 110.518 C3 C2 F6 113.058
F4 C1 F5 111.706 F7 C3 F8 108.333
F7 C3 F9 108.333 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.235      
2 C 0.382      
3 C 0.392      
4 F -0.144      
5 F -0.140      
6 F -0.204      
7 F -0.169      
8 F -0.177      
9 F -0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.345 1.071 0.000 1.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.642 0.165 0.000
y 0.165 -48.419 0.000
z 0.000 0.000 -45.804
Traceless
 xyz
x -2.530 0.165 0.000
y 0.165 -0.696 0.000
z 0.000 0.000 3.227
Polar
3z2-r26.453
x2-y2-1.222
xy0.165
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.562 0.520 0.000
y 0.520 6.273 0.000
z 0.000 0.000 3.454


<r2> (average value of r2) Å2
<r2> 233.498
(<r2>)1/2 15.281