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: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-712.930317
Energy at 298.15K 
HF Energy-712.930317
Nuclear repulsion energy505.868406
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 PBEPBE/TZVP
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' 1759 1740 160.15      
2 A' 1327 1313 240.24      
3 A' 1273 1258 211.32      
4 A' 1170 1157 141.94      
5 A' 1129 1117 179.75      
6 A' 996 985 320.15      
7 A' 737 729 8.35      
8 A' 636 628 11.45      
9 A' 579 572 0.04      
10 A' 495 489 2.69      
11 A' 359 355 0.33      
12 A' 351 347 0.98      
13 A' 254 251 0.63      
14 A' 173 171 1.38      
15 A" 1079 1067 307.39      
16 A" 623 616 0.69      
17 A" 541 535 0.81      
18 A" 442 437 1.45      
19 A" 235 233 0.59      
20 A" 119 117 0.26      
21 A" 33 32 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7154.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 7074.6 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 PBEPBE/TZVP
ABC
0.08342 0.04103 0.03228

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.024 1.433 0.000
C2 -0.501 0.180 0.000
C3 0.282 -1.105 0.000
F4 -0.819 2.490 0.000
F5 1.253 1.767 0.000
F6 -1.838 -0.008 0.000
F7 1.615 -0.883 0.000
F8 -0.024 -1.852 1.092
F9 -0.024 -1.852 -1.092

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.34082.55581.32251.31992.31652.83743.46203.4620
C21.34081.50442.33222.36571.34992.36822.35582.3558
C32.55581.50443.75953.03122.38711.35101.35891.3589
F41.32252.33223.75952.19372.69844.15954.54774.5477
F51.31992.36573.03122.19373.56432.67503.99053.9905
F62.31651.34992.38712.69843.56433.56222.80792.8079
F72.83742.36821.35104.15952.67503.56222.19552.1955
F83.46202.35581.35894.54773.99052.80792.19552.1850
F93.46202.35581.35894.54773.99052.80792.19552.1850

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.769 C1 C2 F6 118.841
C2 C1 F4 122.244 C2 C1 F5 125.517
C2 C3 F7 111.955 C2 C3 F8 110.623
C2 C3 F9 110.623 C3 C2 F6 113.390
F4 C1 F5 112.238 F7 C3 F8 108.223
F7 C3 F9 108.223 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.310      
2 C -0.020      
3 C 0.313      
4 F -0.090      
5 F -0.082      
6 F -0.115      
7 F -0.107      
8 F -0.104      
9 F -0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.204 1.137 0.000 1.155
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.089 0.146 0.000
y 0.146 -48.298 0.000
z 0.000 0.000 -46.373
Traceless
 xyz
x -1.754 0.146 0.000
y 0.146 -0.567 0.000
z 0.000 0.000 2.321
Polar
3z2-r24.642
x2-y2-0.791
xy0.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.833 0.414 0.000
y 0.414 7.617 0.000
z 0.000 0.000 4.407


<r2> (average value of r2) Å2
<r2> 299.970
(<r2>)1/2 17.320