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All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-707.329503
Energy at 298.15K 
HF Energy-706.337907
Nuclear repulsion energy503.054390
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/3-21G
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' 1858 1801 87.60      
2 A' 1405 1362 194.99      
3 A' 1359 1317 143.85      
4 A' 1301 1261 76.53      
5 A' 1230 1193 97.74      
6 A' 1035 1003 175.63      
7 A' 733 710 18.55      
8 A' 632 612 16.82      
9 A' 587 569 2.93      
10 A' 493 478 6.82      
11 A' 358 347 2.90      
12 A' 351 340 0.17      
13 A' 242 234 1.51      
14 A' 192 186 3.09      
15 A" 1276 1236 234.80      
16 A" 675 654 9.04      
17 A" 557 540 0.44      
18 A" 456 441 7.92      
19 A" 242 235 2.44      
20 A" 132 128 0.61      
21 A" 12i 11i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7550.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 7317.7 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/3-21G
ABC
0.08051 0.04163 0.03233

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.986 0.993 0.000
C2 -0.244 0.495 0.000
C3 -0.585 -0.957 0.000
F4 1.234 2.326 0.000
F5 2.124 0.265 0.000
F6 -1.336 1.339 0.000
F7 0.547 -1.728 0.000
F8 -1.336 -1.279 1.106
F9 -1.336 -1.279 -1.106

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.32762.50511.35571.35052.34792.75663.43193.4319
C21.32761.49242.35312.37921.37972.35992.35842.3584
C32.50511.49243.75402.97212.41621.36921.37471.3747
F41.35572.35313.75402.24492.75304.11214.56324.5632
F51.35052.37922.97212.24493.62252.54163.94663.9466
F62.34791.37972.41622.75303.62253.59882.84182.8418
F72.75662.35991.36924.11212.54163.59882.22922.2292
F83.43192.35841.37474.56323.94662.84182.22922.2120
F93.43192.35841.37474.56323.94662.84182.22922.2120

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.233 C1 C2 F6 120.272
C2 C1 F4 122.553 C2 C1 F5 125.343
C2 C3 F7 111.038 C2 C3 F8 110.617
C2 C3 F9 110.617 C3 C2 F6 114.495
F4 C1 F5 112.104 F7 C3 F8 108.663
F7 C3 F9 108.663 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability