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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-712.001897
Energy at 298.15K 
HF Energy-710.226129
Nuclear repulsion energy513.265287
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 1866 1762 138.23      
2 A' 1455 1374 213.62      
3 A' 1397 1319 189.35      
4 A' 1275 1205 163.52      
5 A' 1260 1190 124.66      
6 A' 1070 1010 239.40      
7 A' 783 740 14.05      
8 A' 666 629 14.25      
9 A' 614 580 0.50      
10 A' 520 492 3.32      
11 A' 375 354 0.66      
12 A' 367 347 0.72      
13 A' 249 235 1.13      
14 A' 181 171 1.27      
15 A" 1237 1168 257.28      
16 A" 662 625 2.66      
17 A" 583 551 0.81      
18 A" 474 448 2.53      
19 A" 247 233 0.76      
20 A" 126 119 0.28      
21 A" 40 38 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7722.1 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 7293.5 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 MP2/6-31G(2df,p)
ABC
0.08559 0.04236 0.03323

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.023 1.414 0.000
C2 -0.507 0.174 0.000
C3 0.280 -1.092 0.000
F4 -0.791 2.468 0.000
F5 1.242 1.723 0.000
F6 -1.825 -0.019 0.000
F7 1.587 -0.860 0.000
F8 -0.023 -1.822 1.074
F9 -0.023 -1.822 -1.074

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33122.52481.30431.30232.30252.78583.40953.4095
C21.33121.49152.31132.33671.33182.33542.31782.3178
C32.52481.49153.71822.97522.36331.32711.33281.3328
F41.30432.31133.71822.16582.69324.09004.48864.4886
F51.30232.33672.97522.16583.52752.60543.91393.9139
F62.30251.33182.36332.69323.52753.51392.76642.7664
F72.78582.33541.32714.09002.60543.51392.16062.1606
F83.40952.31781.33284.48863.91392.76642.16062.1471
F93.40952.31781.33284.48863.91392.76642.16062.1471

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.784 C1 C2 F6 119.674
C2 C1 F4 122.562 C2 C1 F5 125.059
C2 C3 F7 111.771 C2 C3 F8 110.174
C2 C3 F9 110.174 C3 C2 F6 113.543
F4 C1 F5 112.379 F7 C3 F8 108.643
F7 C3 F9 108.643 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability