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All results from a given calculation for C3F6 (hexafluoropropene)

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-708.761459
Energy at 298.15K 
HF Energy-708.761459
Nuclear repulsion energy507.746948
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' 1881 1806 120.41      
2 A' 1426 1369 218.73      
3 A' 1387 1331 159.70      
4 A' 1293 1241 115.06      
5 A' 1258 1208 95.96      
6 A' 1055 1013 202.70      
7 A' 749 719 13.00      
8 A' 642 616 17.70      
9 A' 593 569 2.09      
10 A' 494 474 5.62      
11 A' 365 351 2.74      
12 A' 353 339 0.24      
13 A' 243 233 0.76      
14 A' 194 186 2.56      
15 A" 1256 1205 249.45      
16 A" 708 679 7.22      
17 A" 575 552 0.03      
18 A" 456 438 4.75      
19 A" 245 236 1.34      
20 A" 132 127 0.34      
21 A" 19 18 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7661.7 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 7353.7 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
0.08202 0.04242 0.03294

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 0.978 0.984 0.000
C2 -0.250 0.495 0.000
C3 -0.577 -0.945 0.000
F4 1.228 2.299 0.000
F5 2.099 0.263 0.000
F6 -1.325 1.329 0.000
F7 0.548 -1.706 0.000
F8 -1.325 -1.271 1.096
F9 -1.325 -1.271 -1.096

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.32152.47831.33891.33302.32902.72473.40433.4043
C21.32151.47732.33222.36031.36102.34182.33992.3399
C32.47831.47733.71332.93672.39411.35891.36591.3659
F41.33892.33223.71332.21492.73164.06324.52384.5238
F51.33302.36032.93672.21493.58662.50683.90893.9089
F62.32901.36102.39412.73163.58663.56722.82092.8209
F72.72472.34181.35894.06322.50683.56722.21392.2139
F83.40432.33991.36594.52383.90892.82092.21392.1913
F93.40432.33991.36594.52383.90892.82092.21392.1913

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.534 C1 C2 F6 120.502
C2 C1 F4 122.483 C2 C1 F5 125.537
C2 C3 F7 111.243 C2 C3 F8 110.707
C2 C3 F9 110.707 C3 C2 F6 114.964
F4 C1 F5 111.980 F7 C3 F8 108.683
F7 C3 F9 108.683 F8 C3 F8 0.000
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 0.636      
2 C 0.089      
3 C 0.843      
4 F -0.251      
5 F -0.245      
6 F -0.254      
7 F -0.273      
8 F -0.272      
9 F -0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.810 0.597 0.000 1.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.936 0.204 0.000
y 0.204 -48.081 0.000
z 0.000 0.000 -45.115
Traceless
 xyz
x -1.339 0.204 0.000
y 0.204 -1.555 0.000
z 0.000 0.000 2.893
Polar
3z2-r25.787
x2-y20.144
xy0.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.481 0.689 0.000
y 0.689 4.338 0.000
z 0.000 0.000 2.444


<r2> (average value of r2) Å2
<r2> 294.485
(<r2>)1/2 17.161