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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: QCISD(T)/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(T)/6-31G*
 hartrees
Energy at 0K-711.632560
Energy at 298.15K 
HF Energy-710.178549
Nuclear repulsion energy507.920250
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(T)/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' 1860 1784        
2 A' 1453 1393        
3 A' 1377 1321        
4 A' 1277 1225        
5 A' 1238 1187        
6 A' 1049 1006        
7 A' 764 733        
8 A' 646 620        
9 A' 598 574        
10 A' 503 482        
11 A' 368 353        
12 A' 359 344        
13 A' 247 237        
14 A' 178 171        
15 A" 1248 1197        
16 A" 622 596        
17 A" 520 498        
18 A" 456 438        
19 A" 235 225        
20 A" 119 114        
21 A" 34 33        

Unscaled Zero Point Vibrational Energy (zpe) 7574.2 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 7265.9 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 QCISD(T)/6-31G*
ABC
0.08362 0.04160 0.03261

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.024 1.423 0.000
C2 -0.504 0.174 0.000
C3 0.280 -1.100 0.000
F4 -0.811 2.488 0.000
F5 1.261 1.741 0.000
F6 -1.841 -0.019 0.000
F7 1.604 -0.866 0.000
F8 -0.024 -1.838 1.087
F9 -0.024 -1.838 -1.087

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33742.54161.32441.32352.32002.80893.43703.4370
C21.33741.49662.33372.35971.35162.35092.33682.3368
C32.54161.49663.75063.00622.38121.34491.34831.3483
F41.32442.33373.75062.20232.71044.13314.52894.5289
F51.32352.35973.00622.20233.56682.62983.95493.9549
F62.32001.35162.38122.71043.56683.54832.79142.7914
F72.80892.35091.34494.13312.62983.54832.18582.1858
F83.43702.33681.34834.52893.95492.79142.18582.1742
F93.43702.33681.34834.52893.95492.79142.18582.1742

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.391 C1 C2 F6 119.259
C2 C1 F4 122.501 C2 C1 F5 124.945
C2 C3 F7 111.541 C2 C3 F8 110.344
C2 C3 F9 110.344 C3 C2 F6 113.350
F4 C1 F5 112.554 F7 C3 F8 108.509
F7 C3 F9 108.509 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability