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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: HF/CEP-121G

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-121G
 hartrees
Energy at 0K-159.364244
Energy at 298.15K 
HF Energy-159.364244
Nuclear repulsion energy277.118285
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-121G
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' 1990 1816 203.96 33.52 0.31 0.47
2 A' 1486 1356 209.79 7.89 0.11 0.19
3 A' 1398 1276 194.15 3.59 0.26 0.41
4 A' 1285 1173 116.23 4.54 0.54 0.70
5 A' 1250 1141 220.73 0.75 0.43 0.61
6 A' 1055 963 300.70 1.15 0.74 0.85
7 A' 761 694 15.64 12.85 0.04 0.07
8 A' 660 602 24.92 3.40 0.43 0.60
9 A' 608 554 2.57 1.86 0.63 0.78
10 A' 508 464 11.12 0.83 0.68 0.81
11 A' 378 345 3.23 2.24 0.57 0.73
12 A' 369 336 1.85 4.32 0.48 0.65
13 A' 267 244 2.27 0.07 0.31 0.48
14 A' 176 161 3.72 0.08 0.47 0.64
15 A" 1254 1144 321.46 9.32 0.75 0.86
16 A" 727 663 8.07 9.75 0.75 0.86
17 A" 583 532 1.23 5.83 0.75 0.86
18 A" 467 427 12.36 0.76 0.75 0.86
19 A" 259 236 4.04 0.61 0.75 0.86
20 A" 141 128 1.43 0.80 0.75 0.86
21 A" 35 32 0.00 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7827.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7142.9 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-121G
ABC
0.08255 0.04076 0.03205

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.029 1.427 0.000
C2 -0.494 0.190 0.000
C3 0.279 -1.102 0.000
F4 -0.822 2.501 0.000
F5 1.261 1.773 0.000
F6 -1.845 -0.012 0.000
F7 1.626 -0.896 0.000
F8 -0.029 -1.855 1.099
F9 -0.029 -1.855 -1.099

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.32092.54741.33611.33512.31732.85183.46063.4606
C21.32091.50592.33432.36301.36682.38192.36802.3680
C32.54741.50593.76813.03842.38811.36251.36731.3673
F41.33612.33433.76812.20652.71364.18774.56244.5624
F51.33512.36303.03842.20653.58262.69434.00424.0042
F62.31731.36682.38812.71363.58263.58232.81192.8119
F72.85182.38191.36254.18772.69433.58232.20562.2056
F83.46062.36801.36734.56244.00422.81192.20562.1986
F93.46062.36801.36734.56244.00422.81192.20562.1986

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 128.504 C1 C2 F6 119.121
C2 C1 F4 122.942 C2 C1 F5 125.671
C2 C3 F7 112.180 C2 C3 F8 110.917
C2 C3 F9 110.917 C3 C2 F6 112.374
F4 C1 F5 111.388 F7 C3 F8 107.792
F7 C3 F9 107.792 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.422      
2 C 0.275      
3 C 0.577      
4 F -0.200      
5 F -0.194      
6 F -0.247      
7 F -0.210      
8 F -0.212      
9 F -0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.281 1.172 0.000 1.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.721 0.075 0.000
y 0.075 -52.585 0.000
z 0.000 0.000 -47.507
Traceless
 xyz
x -3.675 0.075 0.000
y 0.075 -1.971 0.000
z 0.000 0.000 5.646
Polar
3z2-r211.291
x2-y2-1.136
xy0.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.637 0.635 0.000
y 0.635 6.126 0.000
z 0.000 0.000 3.338


<r2> (average value of r2) Å2
<r2> 241.189
(<r2>)1/2 15.530