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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-904.205084
Energy at 298.15K 
HF Energy-904.205084
Nuclear repulsion energy802.734215
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 HF/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 1502 1356 174.85      
2 A1 1485 1341 127.98      
3 A1 1285 1160 217.32      
4 A1 811 732 7.98      
5 A1 704 636 2.71      
6 A1 559 505 27.38      
7 A1 394 355 0.57      
8 A1 338 305 0.88      
9 A1 164 148 2.20      
10 A2 1429 1290 0.00      
11 A2 588 531 0.00      
12 A2 365 329 0.00      
13 A2 227 205 0.00      
14 A2 36i 32i 0.00      
15 B1 1464 1321 552.62      
16 B1 1377 1243 19.55      
17 B1 651 588 5.93      
18 B1 479 432 9.32      
19 B1 214 193 9.35      
20 B1 86 78 0.09      
21 B2 1480 1336 191.00      
22 B2 1403 1267 42.35      
23 B2 1097 990 229.41      
24 B2 747 674 81.94      
25 B2 550 496 20.20      
26 B2 354 319 0.00      
27 B2 278 251 6.48      

Unscaled Zero Point Vibrational Energy (zpe) 9996.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9023.0 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 HF/3-21G*
ABC
0.05559 0.03293 0.03113

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
C2 0.000 1.267 -0.226
C3 0.000 -1.267 -0.226
F4 1.109 0.000 1.370
F5 -1.109 0.000 1.370
F6 0.000 2.326 0.590
F7 0.000 -2.326 0.590
F8 1.089 1.313 -1.003
F9 -1.089 1.313 -1.003
F10 -1.089 -1.313 -1.003
F11 1.089 -1.313 -1.003

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.50701.50701.35611.35612.32602.32602.33392.33392.33392.3339
C21.50702.53332.32022.32021.33763.68431.33811.33812.90582.9058
C31.50702.53332.32022.32023.68431.33762.90582.90581.33811.3381
F41.35612.32022.32022.21882.69242.69242.71193.49093.49092.7119
F51.35612.32022.32022.21882.69242.69243.49092.71192.71193.4909
F62.32601.33763.68432.69242.69244.65202.17932.17934.11914.1191
F72.32603.68431.33762.69242.69244.65204.11914.11912.17932.1793
F82.33391.33812.90582.71193.49092.17934.11912.17773.41172.6263
F92.33391.33812.90583.49092.71192.17934.11912.17772.62633.4117
F102.33392.90581.33813.49092.71194.11912.17933.41172.62632.1777
F112.33392.90581.33812.71193.49094.11912.17932.62633.41172.1777

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.570 C1 C2 F8 110.091
C1 C2 F9 110.091 C1 C3 F7 109.570
C1 C3 F10 110.091 C1 C3 F11 110.091
C2 C1 C3 114.394 C2 C1 F4 108.153
C2 C1 F5 108.153 C3 C1 F4 108.153
C3 C1 F5 108.153 F4 C1 F5 109.788
F6 C2 F8 109.070 F6 C2 F9 109.070
F7 C3 F10 109.070 F7 C3 F11 109.070
F8 C2 F9 108.923 F10 C3 F11 108.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.528      
2 C 1.186      
3 C 1.186      
4 F -0.357      
5 F -0.357      
6 F -0.364      
7 F -0.364      
8 F -0.365      
9 F -0.365      
10 F -0.365      
11 F -0.365      


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 -0.041 0.041
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.691 0.000 0.000
y 0.000 -58.880 0.000
z 0.000 0.000 -59.482
Traceless
 xyz
x -0.510 0.000 0.000
y 0.000 0.707 0.000
z 0.000 0.000 -0.197
Polar
3z2-r2-0.393
x2-y2-0.811
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.761 0.000 0.000
y 0.000 3.402 0.000
z 0.000 0.000 3.441


<r2> (average value of r2) Å2
<r2> 359.575
(<r2>)1/2 18.962