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 C3F8 (perfluoropropane)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-912.914149
Energy at 298.15K-912.917709
HF Energy-912.129082
Nuclear repulsion energy796.362806
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 B2PLYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1379 1323 7.15      
2 A1 1269 1217 369.96      
3 A1 1163 1116 173.39      
4 A1 784 752 2.11      
5 A1 668 641 4.50      
6 A1 544 522 6.98      
7 A1 383 367 0.02      
8 A1 314 302 0.44      
9 A1 151 145 0.73      
10 A2 1221 1171 0.00      
11 A2 568 545 0.00      
12 A2 351 337 0.00      
13 A2 227 218 0.00      
14 A2 27 26 0.00      
15 B1 1269 1218 577.91      
16 B1 1214 1165 98.08      
17 B1 622 597 0.74      
18 B1 463 444 2.61      
19 B1 216 208 3.41      
20 B1 83 80 0.03      
21 B2 1357 1302 139.94      
22 B2 1207 1158 51.60      
23 B2 1016 975 226.49      
24 B2 733 703 50.49      
25 B2 537 515 5.86      
26 B2 337 324 0.08      
27 B2 270 259 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 9186.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8813.3 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 B2PLYP/cc-pVTZ
ABC
0.05583 0.03178 0.02996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.545
C2 0.000 1.320 -0.229
C3 0.000 -1.320 -0.229
F4 1.107 0.000 1.327
F5 -1.107 0.000 1.327
F6 0.000 2.340 0.647
F7 0.000 -2.340 0.647
F8 1.084 1.460 -1.002
F9 -1.084 1.460 -1.002
F10 -1.084 -1.460 -1.002
F11 1.084 -1.460 -1.002

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.52981.52981.35611.35612.34222.34222.38672.38672.38672.3867
C21.52982.63922.32182.32181.34543.76311.33841.33843.08153.0815
C31.52982.63922.32182.32183.76311.34543.08153.08151.33841.3384
F41.35612.32182.32182.21502.67652.67652.74843.51523.51522.7484
F51.35612.32182.32182.21502.67652.67653.51522.74842.74843.5152
F62.34221.34543.76312.67652.67654.67992.16102.16104.28154.2815
F72.34223.76311.34542.67652.67654.67994.28154.28152.16102.1610
F82.38671.33843.08152.74843.51522.16104.28152.16843.63642.9191
F92.38671.33843.08153.51522.74842.16104.28152.16842.91913.6364
F102.38673.08151.33843.51522.74844.28152.16103.63642.91912.1684
F112.38673.08151.33842.74843.51524.28152.16102.91913.63642.1684

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.930 C1 C2 F8 112.462
C1 C2 F9 112.462 C1 C3 F7 108.930
C1 C3 F10 112.462 C1 C3 F11 112.462
C2 C1 C3 119.214 C2 C1 F4 106.975
C2 C1 F5 106.975 C3 C1 F4 106.975
C3 C1 F5 106.975 F4 C1 F5 109.509
F6 C2 F8 107.260 F6 C2 F9 107.260
F7 C3 F10 107.260 F7 C3 F11 107.260
F8 C2 F9 108.210 F10 C3 F11 108.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.300      
2 C 0.548      
3 C 0.548      
4 F -0.187      
5 F -0.187      
6 F -0.168      
7 F -0.168      
8 F -0.172      
9 F -0.172      
10 F -0.172      
11 F -0.172      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.715 0.000 0.000
y 0.000 5.970 0.000
z 0.000 0.000 5.636


<r2> (average value of r2) Å2
<r2> 367.730
(<r2>)1/2 19.176