return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3F6 (hexafluoropropene)

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-711.898588
Energy at 298.15K 
HF Energy-710.269010
Nuclear repulsion energy506.430427
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/aug-cc-pVDZ
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' 1870 1811 146.98      
2 A' 1433 1388 174.26      
3 A' 1340 1298 217.58      
4 A' 1223 1185 172.93      
5 A' 1207 1169 144.72      
6 A' 1027 995 274.16      
7 A' 753 729 13.37      
8 A' 646 626 14.80      
9 A' 593 574 0.49      
10 A' 502 486 4.13      
11 A' 367 356 0.77      
12 A' 359 348 0.91      
13 A' 254 246 1.30      
14 A' 173 168 1.40      
15 A" 1184 1147 284.85      
16 A" 649 629 2.42      
17 A" 561 543 0.92      
18 A" 457 443 3.31      
19 A" 246 238 1.03      
20 A" 126 122 0.45      
21 A" 41 40 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7504.4 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 7269.5 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/aug-cc-pVDZ
ABC
0.08360 0.04112 0.03231

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.024 1.431 0.000
C2 -0.502 0.179 0.000
C3 0.282 -1.106 0.000
F4 -0.814 2.495 0.000
F5 1.256 1.765 0.000
F6 -1.841 -0.016 0.000
F7 1.609 -0.885 0.000
F8 -0.024 -1.848 1.087
F9 -0.024 -1.848 -1.087

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9
C11.34042.55541.32471.32272.32272.83373.45463.4546
C21.34041.50512.33652.36761.35312.36392.34922.3492
C32.55541.50513.76353.03142.38661.34531.35161.3516
F41.32472.33653.76352.19482.71214.15814.54564.5456
F51.32272.36763.03142.19483.57232.67293.98403.9840
F62.32271.35312.38662.71213.57233.55782.80022.8002
F72.83372.36391.34534.15812.67293.55782.18572.1857
F83.45462.34921.35164.54563.98402.80022.18572.1748
F93.45462.34921.35164.54563.98402.80022.18572.1748

picture of hexafluoropropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.710 C1 C2 F6 119.162
C2 C1 F4 122.493 C2 C1 F5 125.507
C2 C3 F7 111.931 C2 C3 F8 110.527
C2 C3 F9 110.527 C3 C2 F6 113.128
F4 C1 F5 112.000 F7 C3 F8 108.279
F7 C3 F9 108.279 F8 C3 F8 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability