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: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-711.982345
Energy at 298.15K 
HF Energy-710.371466
Nuclear repulsion energy510.762384
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 MP2/6-311G**
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' 1852 1760 158.03      
2 A' 1444 1372 230.72      
3 A' 1371 1303 233.12      
4 A' 1254 1192 139.77      
5 A' 1236 1175 198.17      
6 A' 1056 1003 287.42      
7 A' 777 739 14.71      
8 A' 664 631 13.86      
9 A' 612 581 0.48      
10 A' 519 494 3.72      
11 A' 376 357 0.61      
12 A' 369 350 0.99      
13 A' 260 247 1.26      
14 A' 181 172 1.68      
15 A" 1218 1157 316.98      
16 A" 667 634 3.23      
17 A" 581 552 0.88      
18 A" 476 452 3.29      
19 A" 251 239 1.04      
20 A" 128 122 0.32      
21 A" 38 36 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7664.6 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 7282.9 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 MP2/6-311G**
ABC
0.08488 0.04187 0.03288

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 1.422 0.000
C2 -0.501 0.175 0.000
C3 0.282 -1.098 0.000
F4 -0.806 2.472 0.000
F5 1.245 1.746 0.000
F6 -1.828 -0.016 0.000
F7 1.597 -0.873 0.000
F8 -0.023 -1.831 1.079
F9 -0.023 -1.831 -1.079

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33542.53851.31021.30852.30772.80933.42673.4267
C21.33541.49492.31712.34891.34082.34562.32712.3271
C32.53851.49493.73253.00322.37181.33421.33921.3392
F41.31022.31713.73252.17562.68934.11924.50444.5044
F51.30852.34893.00322.17563.54232.64333.94533.9453
F62.30771.34082.37182.68933.54233.53112.77812.7781
F72.80932.34561.33424.11922.64333.53112.16902.1690
F83.42672.32711.33924.50443.94532.77812.16902.1582
F93.42672.32711.33924.50443.94532.77812.16902.1582

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.424 C1 C2 F6 119.158
C2 C1 F4 122.287 C2 C1 F5 125.346
C2 C3 F7 111.884 C2 C3 F8 110.273
C2 C3 F9 110.273 C3 C2 F6 113.418
F4 C1 F5 112.366 F7 C3 F8 108.452
F7 C3 F9 108.452 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability