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: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-712.904066
Energy at 298.15K 
HF Energy-712.333655
Nuclear repulsion energy512.428062
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 B2PLYP/6-31G(2df,p)
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' 1853 1770 146.20      
2 A' 1427 1363 222.56      
3 A' 1372 1311 179.39      
4 A' 1249 1193 76.35      
5 A' 1246 1190 216.65      
6 A' 1060 1013 252.93      
7 A' 777 742 13.04      
8 A' 663 633 14.28      
9 A' 609 581 0.42      
10 A' 517 494 3.07      
11 A' 372 355 0.51      
12 A' 365 348 0.91      
13 A' 250 239 1.03      
14 A' 178 170 1.32      
15 A" 1210 1156 257.48      
16 A" 662 633 2.14      
17 A" 578 552 0.79      
18 A" 469 448 2.53      
19 A" 244 233 0.75      
20 A" 124 119 0.29      
21 A" 33 31 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7629.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 7286.2 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 B2PLYP/6-31G(2df,p)
ABC
0.08546 0.04216 0.03310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 1.416 0.000
C2 -0.507 0.178 0.000
C3 0.279 -1.094 0.000
F4 -0.791 2.473 0.000
F5 1.243 1.727 0.000
F6 -1.826 -0.014 0.000
F7 1.589 -0.865 0.000
F8 -0.023 -1.827 1.075
F9 -0.023 -1.827 -1.075

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.32932.52871.30571.30382.30112.79383.41683.4168
C21.32931.49572.31202.33691.33322.34152.32602.3260
C32.52871.49573.72392.98132.36661.33001.33571.3357
F41.30572.31203.72392.16602.69334.09944.49804.4980
F51.30382.33692.98132.16603.52842.61513.92293.9229
F62.30111.33322.36662.69333.52843.52012.77412.7741
F72.79382.34151.33004.09942.61513.52012.16352.1635
F83.41682.32601.33574.49803.92292.77412.16352.1502
F93.41682.32601.33574.49803.92292.77412.16352.1502

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.953 C1 C2 F6 119.604
C2 C1 F4 122.667 C2 C1 F5 125.124
C2 C3 F7 111.788 C2 C3 F8 110.346
C2 C3 F9 110.346 C3 C2 F6 113.443
F4 C1 F5 112.210 F7 C3 F8 108.511
F7 C3 F9 108.511 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.282      
2 C -0.174      
3 C 0.343      
4 F -0.040      
5 F -0.041      
6 F -0.086      
7 F -0.089      
8 F -0.098      
9 F -0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.202 0.973 0.000 0.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.965 0.080 0.000
y 0.080 -46.062 0.000
z 0.000 0.000 -44.473
Traceless
 xyz
x -1.698 0.080 0.000
y 0.080 -0.343 0.000
z 0.000 0.000 2.040
Polar
3z2-r24.081
x2-y2-0.903
xy0.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.380 0.375 0.000
y 0.375 7.064 0.000
z 0.000 0.000 4.005


<r2> (average value of r2) Å2
<r2> 291.831
(<r2>)1/2 17.083