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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: QCISD/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 QCISD/6-31G
 hartrees
Energy at 0K-710.955102
Energy at 298.15K 
HF Energy-709.932394
Nuclear repulsion energy495.200196
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
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' 1833 1766 98.23      
2 A' 1379 1329 153.20      
3 A' 1296 1249 139.45      
4 A' 1214 1170 75.30      
5 A' 1166 1124 131.04      
6 A' 984 948 199.45      
7 A' 704 678 14.52      
8 A' 603 581 19.63      
9 A' 562 542 2.32      
10 A' 468 451 8.05      
11 A' 350 337 2.98      
12 A' 340 327 0.59      
13 A' 247 238 1.87      
14 A' 176 169 3.17      
15 A" 1189 1145 239.61      
16 A" 612 590 3.22      
17 A" 488 471 1.46      
18 A" 423 407 11.28      
19 A" 227 219 3.52      
20 A" 120 116 0.98      
21 A" 22 21 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7201.2 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 6939.1 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
ABC
0.07891 0.03988 0.03123

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.029 1.436 0.000
C2 -0.493 0.176 0.000
C3 0.282 -1.109 0.000
F4 -0.858 2.531 0.000
F5 1.297 1.792 0.000
F6 -1.877 -0.028 0.000
F7 1.657 -0.879 0.000
F8 -0.029 -1.875 1.127
F9 -0.029 -1.875 -1.127

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.34232.56451.37301.37272.35752.86463.49793.4979
C21.34231.50112.38242.41051.39932.39522.38622.3862
C32.56451.50113.81443.07352.41451.39441.39751.3975
F41.37302.38243.81442.27812.75404.23744.62274.6227
F51.37272.41053.07352.27813.65832.69544.05894.0589
F62.35751.39932.41452.75403.65833.63532.84532.8453
F72.86462.39521.39444.23742.69543.63532.25962.2596
F83.49792.38621.39754.62274.05892.84532.25962.2534
F93.49792.38621.39754.62274.05892.84532.25962.2534

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 128.739 C1 C2 F6 118.601
C2 C1 F4 122.658 C2 C1 F5 125.208
C2 C3 F7 111.570 C2 C3 F8 110.769
C2 C3 F9 110.769 C3 C2 F6 112.660
F4 C1 F5 112.134 F7 C3 F8 108.061
F7 C3 F9 108.061 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability