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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-712.032200
Energy at 298.15K 
HF Energy-710.226914
Nuclear repulsion energy513.558182
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 QCISD/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' 1899 1799 137.41      
2 A' 1466 1389 212.92      
3 A' 1407 1333 181.63      
4 A' 1302 1233 146.84      
5 A' 1267 1200 145.70      
6 A' 1077 1020 238.67      
7 A' 789 748 16.01      
8 A' 670 635 14.96      
9 A' 618 585 0.71      
10 A' 524 496 3.48      
11 A' 376 356 0.58      
12 A' 369 349 0.90      
13 A' 252 239 1.29      
14 A' 180 170 1.34      
15 A" 1267 1200 257.46      
16 A" 670 635 2.99      
17 A" 585 555 0.79      
18 A" 479 453 3.25      
19 A" 249 236 0.95      
20 A" 129 122 0.33      
21 A" 41 38 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7807.6 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 7397.0 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 QCISD/6-31G(2df,p)
ABC
0.08586 0.04232 0.03322

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.024 1.414 0.000
C2 -0.506 0.179 0.000
C3 0.280 -1.095 0.000
F4 -0.788 2.471 0.000
F5 1.241 1.724 0.000
F6 -1.823 -0.018 0.000
F7 1.584 -0.867 0.000
F8 -0.024 -1.821 1.072
F9 -0.024 -1.821 -1.072

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.32662.52801.30381.30232.29982.79083.40833.4083
C21.32661.49722.30932.33281.33142.33742.31962.3196
C32.52801.49723.72252.97862.36321.32431.32931.3293
F41.30382.30933.72252.16222.69524.09464.48924.4892
F51.30232.33282.97862.16223.52482.61313.91353.9135
F62.29981.33142.36322.69523.52483.51172.76402.7640
F72.79082.33741.32434.09462.61313.51172.15512.1551
F83.40832.31961.32934.48923.91352.76402.15512.1430
F93.40832.31961.32934.48923.91352.76402.15512.1430

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 126.981 C1 C2 F6 119.816
C2 C1 F4 122.781 C2 C1 F5 125.088
C2 C3 F7 111.736 C2 C3 F8 110.165
C2 C3 F9 110.165 C3 C2 F6 113.202
F4 C1 F5 112.131 F7 C3 F8 108.613
F7 C3 F9 108.613 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability