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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-159.349082
Energy at 298.15K 
HF Energy-159.349082
Nuclear repulsion energy276.386261
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' 2020 1821 199.57 32.79 0.36 0.52
2 A' 1493 1345 205.74 7.90 0.13 0.23
3 A' 1408 1269 175.90 4.13 0.27 0.42
4 A' 1293 1166 118.19 5.68 0.54 0.70
5 A' 1257 1133 208.70 0.95 0.37 0.54
6 A' 1060 955 288.16 1.52 0.71 0.83
7 A' 768 693 16.39 13.69 0.04 0.08
8 A' 660 595 28.79 3.63 0.43 0.61
9 A' 609 549 2.52 2.01 0.68 0.81
10 A' 508 458 11.57 0.87 0.68 0.81
11 A' 378 341 3.65 2.49 0.54 0.70
12 A' 368 332 1.66 4.50 0.51 0.67
13 A' 267 240 2.36 0.07 0.36 0.53
14 A' 176 159 3.83 0.10 0.48 0.65
15 A" 1260 1136 322.23 12.32 0.75 0.86
16 A" 714 644 11.21 12.71 0.75 0.86
17 A" 579 522 1.48 7.78 0.75 0.86
18 A" 469 422 12.86 0.90 0.75 0.86
19 A" 258 232 4.17 0.69 0.75 0.86
20 A" 140 126 1.28 0.91 0.75 0.86
21 A" 33 29 0.00 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7858.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 7083.2 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 HF/CEP-31G
ABC
0.08222 0.04049 0.03184

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 -0.027 1.435 0.000
C2 -0.500 0.187 0.000
C3 0.278 -1.108 0.000
F4 -0.820 2.512 0.000
F5 1.266 1.776 0.000
F6 -1.853 -0.009 0.000
F7 1.625 -0.896 0.000
F8 -0.027 -1.863 1.100
F9 -0.027 -1.863 -1.100

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33492.56121.33761.33712.32822.85673.47673.4767
C21.33491.51092.34692.37631.36682.38532.37432.3743
C32.56121.51093.78283.04902.39771.36371.36861.3686
F41.33762.34693.78282.21182.72464.19414.58054.5805
F51.33712.37633.04902.21183.59402.69624.01594.0159
F62.32821.36682.39772.72463.59403.58932.82552.8255
F72.85672.38531.36374.19412.69623.58932.20772.2077
F83.47672.37431.36864.58054.01592.82552.20772.2000
F93.47672.37431.36864.58054.01592.82552.20772.2000

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 128.206 C1 C2 F6 119.031
C2 C1 F4 122.847 C2 C1 F5 125.581
C2 C3 F7 112.055 C2 C3 F8 110.994
C2 C3 F9 110.994 C3 C2 F6 112.763
F4 C1 F5 111.572 F7 C3 F8 107.801
F7 C3 F9 107.801 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 0.307      
2 C 0.461      
3 C 0.366      
4 F -0.181      
5 F -0.173      
6 F -0.215      
7 F -0.186      
8 F -0.190      
9 F -0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.272 1.160 0.000 1.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.175 0.075 0.000
y 0.075 -53.052 0.000
z 0.000 0.000 -47.667
Traceless
 xyz
x -3.815 0.075 0.000
y 0.075 -2.131 0.000
z 0.000 0.000 5.947
Polar
3z2-r211.893
x2-y2-1.122
xy0.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.454 0.659 0.000
y 0.659 5.988 0.000
z 0.000 0.000 2.994


<r2> (average value of r2) Å2
<r2> 242.724
(<r2>)1/2 15.580