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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-907.210756
Energy at 298.15K 
HF Energy-907.210756
Nuclear repulsion energy785.796058
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 PBEPBE/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 A1 1278 1218 13.85      
2 A1 1271 1211 235.02      
3 A1 1128 1075 136.90      
4 A1 715 681 3.16      
5 A1 622 593 3.18      
6 A1 493 470 10.36      
7 A1 346 330 0.11      
8 A1 301 287 0.54      
9 A1 145 138 1.00      
10 A2 1207 1150 0.00      
11 A2 516 492 0.00      
12 A2 309 295 0.00      
13 A2 201 191 0.00      
14 A2 27i 25i 0.00      
15 B1 1255 1197 447.40      
16 B1 1151 1097 4.01      
17 B1 574 547 1.44      
18 B1 415 396 3.52      
19 B1 195 186 4.38      
20 B1 81 77 0.01      
21 B2 1264 1205 125.38      
22 B2 1184 1129 47.24      
23 B2 966 921 160.03      
24 B2 654 624 47.58      
25 B2 484 461 9.28      
26 B2 317 302 0.06      
27 B2 240 229 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 8641.0 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 8239.2 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 PBEPBE/3-21G*
ABC
0.05281 0.03180 0.03008

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.607
C2 0.000 1.280 -0.232
C3 0.000 -1.280 -0.232
F4 1.138 0.000 1.406
F5 -1.138 0.000 1.406
F6 0.000 2.373 0.601
F7 0.000 -2.373 0.601
F8 1.120 1.319 -1.028
F9 -1.120 1.319 -1.028
F10 -1.120 -1.319 -1.028
F11 1.120 -1.319 -1.028

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.53021.53021.39041.39042.37342.37342.38022.38022.38022.3802
C21.53022.56002.36962.36961.37453.74711.37421.37422.94002.9400
C31.53022.56002.36962.36963.74711.37452.94002.94001.37421.3742
F41.39042.36962.36962.27552.75232.75232.76833.57193.57192.7683
F51.39042.36962.36962.27552.75232.75233.57192.76832.76833.5719
F62.37341.37453.74712.75232.75234.74672.23992.23994.18844.1884
F72.37343.74711.37452.75232.75234.74674.18844.18842.23992.2399
F82.38021.37422.94002.76833.57192.23994.18842.23923.46082.6387
F92.38021.37422.94003.57192.76832.23994.18842.23922.63873.4608
F102.38022.94001.37423.57192.76834.18842.23993.46082.63872.2392
F112.38022.94001.37422.76833.57194.18842.23992.63873.46082.2392

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.476 C1 C2 F8 109.957
C1 C2 F9 109.957 C1 C3 F7 109.476
C1 C3 F10 109.957 C1 C3 F11 109.957
C2 C1 C3 113.545 C2 C1 F4 108.361
C2 C1 F5 108.361 C3 C1 F4 108.361
C3 C1 F5 108.361 F4 C1 F5 109.820
F6 C2 F8 109.154 F6 C2 F9 109.154
F7 C3 F10 109.154 F7 C3 F11 109.154
F8 C2 F9 109.122 F10 C3 F11 109.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.290      
2 C 0.737      
3 C 0.737      
4 F -0.218      
5 F -0.218      
6 F -0.222      
7 F -0.222      
8 F -0.221      
9 F -0.221      
10 F -0.221      
11 F -0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.055 0.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.683 0.000 0.000
y 0.000 -56.391 0.000
z 0.000 0.000 -56.787
Traceless
 xyz
x -0.094 0.000 0.000
y 0.000 0.344 0.000
z 0.000 0.000 -0.249
Polar
3z2-r2-0.499
x2-y2-0.292
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.574 0.000 0.000
y 0.000 4.349 0.000
z 0.000 0.000 4.249


<r2> (average value of r2) Å2
<r2> 370.463
(<r2>)1/2 19.247