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: TPSSh/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G
 hartrees
Energy at 0K-713.131138
Energy at 298.15K 
HF Energy-713.131138
Nuclear repulsion energy499.175196
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 TPSSh/6-31G
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' 1823 1754 141.47      
2 A' 1365 1313 176.23      
3 A' 1294 1245 166.13      
4 A' 1178 1133 24.23      
5 A' 1170 1126 216.05      
6 A' 989 952 238.97      
7 A' 710 683 9.36      
8 A' 606 583 19.10      
9 A' 562 540 1.41      
10 A' 466 449 6.26      
11 A' 349 336 2.70      
12 A' 337 324 0.50      
13 A' 238 229 0.96      
14 A' 170 164 2.51      
15 A" 1135 1092 259.29      
16 A" 625 601 2.29      
17 A" 515 495 0.70      
18 A" 420 404 5.76      
19 A" 226 218 1.86      
20 A" 119 114 0.67      
21 A" 0i 0i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7148.1 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 6877.2 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 TPSSh/6-31G
ABC
0.08021 0.04054 0.03174

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.028 1.424 0.000
C2 -0.495 0.173 0.000
C3 0.278 -1.094 0.000
F4 -0.844 2.509 0.000
F5 1.283 1.774 0.000
F6 -1.865 -0.023 0.000
F7 1.645 -0.862 0.000
F8 -0.028 -1.867 1.117
F9 -0.028 -1.867 -1.117

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33492.53651.35781.35672.33822.83263.47513.4751
C21.33491.48422.36212.39201.38392.37712.37222.3722
C32.53651.48423.77403.03912.39511.38721.39221.3922
F41.35782.36213.77402.25002.73064.19034.58964.5896
F51.35672.39203.03912.25003.62432.66044.02754.0275
F62.33821.38392.39512.73063.62433.60872.83202.8320
F72.83262.37711.38724.19032.66043.60872.24902.2490
F83.47512.37221.39224.58964.02752.83202.24902.2339
F93.47512.37221.39224.58964.02752.83202.24902.2339

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 128.172 C1 C2 F6 118.625
C2 C1 F4 122.613 C2 C1 F5 125.418
C2 C3 F7 111.714 C2 C3 F8 111.080
C2 C3 F9 111.080 C3 C2 F6 113.203
F4 C1 F5 111.969 F7 C3 F8 108.030
F7 C3 F9 108.030 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.564      
2 C 0.205      
3 C 0.758      
4 F -0.243      
5 F -0.240      
6 F -0.273      
7 F -0.261      
8 F -0.256      
9 F -0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.130 1.101 0.000 1.108
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.924 0.520 0.000
y 0.520 6.450 0.000
z 0.000 0.000 3.049


<r2> (average value of r2) Å2
<r2> 305.404
(<r2>)1/2 17.476