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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-712.406579
Energy at 298.15K 
HF Energy-710.459622
Nuclear repulsion energy511.683175
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/cc-pVTZ
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' 1850 1757 154.59      
2 A' 1441 1368 218.83      
3 A' 1374 1304 214.49      
4 A' 1249 1186 172.57      
5 A' 1243 1180 148.40      
6 A' 1059 1005 269.29      
7 A' 780 740 14.11      
8 A' 665 631 13.74      
9 A' 612 581 0.36      
10 A' 520 493 3.45      
11 A' 375 356 0.40      
12 A' 367 348 0.89      
13 A' 258 245 1.06      
14 A' 178 169 1.29      
15 A" 1208 1147 293.11      
16 A" 669 635 2.64      
17 A" 582 552 0.59      
18 A" 473 449 2.45      
19 A" 251 238 0.78      
20 A" 128 121 0.28      
21 A" 40 38 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7659.4 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 7272.6 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 MP2/cc-pVTZ
ABC
0.08529 0.04198 0.03298

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.022 1.418 0.000
C2 -0.502 0.176 0.000
C3 0.280 -1.097 0.000
F4 -0.801 2.469 0.000
F5 1.243 1.741 0.000
F6 -1.826 -0.010 0.000
F7 1.592 -0.872 0.000
F8 -0.022 -1.830 1.076
F9 -0.022 -1.830 -1.076

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33222.53351.30791.30572.30072.80183.42243.4224
C21.33221.49362.31322.34441.33682.34112.32632.3263
C32.53351.49363.72652.99712.36991.33091.33721.3372
F41.30792.31323.72652.16952.68294.10944.50014.5001
F51.30572.34442.99712.16953.53332.63623.93913.9391
F62.30071.33682.36992.68293.53333.52462.77912.7791
F72.80182.34111.33094.10942.63623.52462.16432.1643
F83.42242.32631.33724.50013.93912.77912.16432.1530
F93.42242.32631.33724.50013.93912.77912.16432.1530

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.321 C1 C2 F6 119.085
C2 C1 F4 122.363 C2 C1 F5 125.422
C2 C3 F7 111.831 C2 C3 F8 110.404
C2 C3 F9 110.404 C3 C2 F6 113.594
F4 C1 F5 112.215 F7 C3 F8 108.417
F7 C3 F9 108.417 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability