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 C3F6 (hexafluoropropene)

using model chemistry: PBEPBEultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-712.677527
Energy at 298.15K 
HF Energy-712.677527
Nuclear repulsion energy505.600477
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 PBEPBEultrafine/cc-pVDZ
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' 1783 1773 146.44      
2 A' 1362 1354 223.02      
3 A' 1301 1293 202.26      
4 A' 1183 1177 126.33      
5 A' 1165 1158 189.42      
6 A' 1001 996 287.45      
7 A' 737 733 8.62      
8 A' 632 628 12.33      
9 A' 576 573 0.10      
10 A' 491 488 2.61      
11 A' 356 354 0.61      
12 A' 348 346 0.61      
13 A' 240 238 0.60      
14 A' 173 172 1.32      
15 A" 1123 1117 293.05      
16 A" 622 618 1.28      
17 A" 544 541 0.43      
18 A" 444 442 1.35      
19 A" 234 233 0.45      
20 A" 119 118 0.17      
21 A" 31 31 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7232.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7190.2 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 PBEPBEultrafine/cc-pVDZ
ABC
0.08299 0.04117 0.03229

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 1.428 0.000
C2 -0.515 0.175 0.000
C3 0.277 -1.101 0.000
F4 -0.801 2.500 0.000
F5 1.263 1.746 0.000
F6 -1.855 -0.007 0.000
F7 1.609 -0.864 0.000
F8 -0.022 -1.854 1.092
F9 -0.022 -1.854 -1.092

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.34692.54631.32551.32312.32792.81313.45913.4591
C21.34691.50142.34282.37251.35182.36492.35632.3563
C32.54631.50143.75873.01242.39581.35341.35961.3596
F41.32552.34283.75872.19752.71934.13864.55634.5563
F51.32312.37253.01242.19753.57632.63283.97513.9751
F62.32791.35182.39582.71933.57633.56852.82222.8222
F72.81312.36491.35344.13862.63283.56852.19812.1981
F83.45912.35631.35964.55633.97512.82222.19812.1832
F93.45912.35631.35964.55633.97512.82222.19812.1832

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.671 C1 C2 F6 119.216
C2 C1 F4 122.479 C2 C1 F5 125.389
C2 C3 F7 111.765 C2 C3 F8 110.801
C2 C3 F9 110.801 C3 C2 F6 114.114
F4 C1 F5 112.132 F7 C3 F8 108.239
F7 C3 F9 108.239 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.254      
2 C -0.037      
3 C 0.433      
4 F -0.082      
5 F -0.069      
6 F -0.116      
7 F -0.122      
8 F -0.131      
9 F -0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.148 1.060 0.000 1.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.888 0.177 0.000
y 0.177 -46.343 0.000
z 0.000 0.000 -44.986
Traceless
 xyz
x -1.223 0.177 0.000
y 0.177 -0.407 0.000
z 0.000 0.000 1.630
Polar
3z2-r23.259
x2-y2-0.544
xy0.177
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.050 0.407 0.000
y 0.407 6.784 0.000
z 0.000 0.000 3.404


<r2> (average value of r2) Å2
<r2> 298.667
(<r2>)1/2 17.282