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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 energy503.054389
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 1786 87.60      
2 A' 1405 1351 194.99      
3 A' 1359 1306 143.85      
4 A' 1301 1251 76.53      
5 A' 1230 1183 97.74      
6 A' 1035 994 175.63      
7 A' 733 704 18.55      
8 A' 632 607 16.82      
9 A' 587 564 2.93      
10 A' 493 474 6.82      
11 A' 358 344 2.90      
12 A' 351 337 0.17      
13 A' 242 232 1.51      
14 A' 192 184 3.09      
15 A" 1276 1226 234.80      
16 A" 675 649 9.04      
17 A" 557 536 0.44      
18 A" 456 438 7.92      
19 A" 242 233 2.44      
20 A" 132 127 0.61      
21 A" 12i 11i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7550.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 7256.5 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