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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-711.653212
Energy at 298.15K 
HF Energy-710.204639
Nuclear repulsion energy507.397240
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/6-31+G**
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' 1882 1779 149.28      
2 A' 1439 1361 197.29      
3 A' 1360 1286 229.93      
4 A' 1250 1182 154.11      
5 A' 1225 1158 177.31      
6 A' 1041 985 273.94      
7 A' 764 722 14.37      
8 A' 648 612 16.75      
9 A' 598 566 0.64      
10 A' 504 477 4.67      
11 A' 369 349 0.64      
12 A' 360 340 1.18      
13 A' 256 242 1.49      
14 A' 174 164 1.64      
15 A" 1213 1147 310.23      
16 A" 641 606 2.91      
17 A" 551 521 1.66      
18 A" 460 435 4.41      
19 A" 244 231 1.33      
20 A" 126 119 0.51      
21 A" 34 33 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7569.1 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 7155.8 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/6-31+G**
ABC
0.08381 0.04133 0.03247

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.025 1.426 0.000
C2 -0.496 0.179 0.000
C3 0.282 -1.104 0.000
F4 -0.818 2.486 0.000
F5 1.255 1.761 0.000
F6 -1.835 -0.015 0.000
F7 1.608 -0.882 0.000
F8 -0.025 -1.842 1.088
F9 -0.025 -1.842 -1.088

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.33332.54811.32401.32302.31352.82733.44403.4440
C21.33331.49992.32972.36031.35252.35672.34262.3426
C32.54811.49993.75443.02572.38001.34491.34981.3498
F41.32402.32973.75442.19602.70004.15104.53244.5324
F51.32302.36033.02572.19603.56392.66683.97543.9754
F62.31351.35252.38002.70003.56393.55042.79192.7919
F72.82732.35671.34494.15102.66683.55042.18452.1845
F83.44402.34261.34984.53243.97542.79192.18452.1752
F93.44402.34261.34984.53243.97542.79192.18452.1752

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 128.056 C1 C2 F6 118.944
C2 C1 F4 122.496 C2 C1 F5 125.387
C2 C3 F7 111.755 C2 C3 F8 110.470
C2 C3 F9 110.470 C3 C2 F6 113.000
F4 C1 F5 112.117 F7 C3 F8 108.320
F7 C3 F9 108.320 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability