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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: HF/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-207.063007
Energy at 298.15K-207.066556
HF Energy-207.063007
Nuclear repulsion energy438.932887
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/CEP-31G
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 1428 1287 22.37      
2 A1 1345 1213 301.55      
3 A1 1191 1073 219.79      
4 A1 777 701 4.13      
5 A1 668 602 5.45      
6 A1 535 482 26.05      
7 A1 385 347 0.09      
8 A1 323 291 1.29      
9 A1 151 136 2.28      
10 A2 1296 1168 0.00      
11 A2 562 507 0.00      
12 A2 356 321 0.00      
13 A2 234 211 0.00      
14 A2 18 17 0.00      
15 B1 1335 1203 417.08      
16 B1 1296 1168 208.39      
17 B1 629 567 3.72      
18 B1 461 416 10.72      
19 B1 221 199 9.85      
20 B1 81 73 0.04      
21 B2 1441 1299 128.63      
22 B2 1281 1155 52.02      
23 B2 1034 932 260.26      
24 B2 719 648 82.21      
25 B2 527 475 17.55      
26 B2 346 312 0.00      
27 B2 280 253 5.58      

Unscaled Zero Point Vibrational Energy (zpe) 9458.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 8526.3 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 HF/CEP-31G
ABC
0.05389 0.03071 0.02896

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 1.328 -0.235
C3 0.000 -1.328 -0.235
F4 1.114 0.000 1.389
F5 -1.114 0.000 1.389
F6 0.000 2.384 0.618
F7 0.000 -2.384 0.618
F8 1.104 1.408 -1.024
F9 -1.104 1.408 -1.024
F10 -1.104 -1.408 -1.024
F11 1.104 -1.408 -1.024

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.56221.56221.37221.37222.38452.38452.40862.40862.40862.4086
C21.56222.65552.37522.37521.35813.80881.35961.35963.05423.0542
C31.56222.65552.37522.37523.80881.35813.05423.05421.35961.3596
F41.37222.37522.37522.22822.74232.74232.79383.56753.56752.7938
F51.37222.37522.37522.22822.74232.74233.56752.79382.79383.5675
F62.38451.35813.80882.74232.74234.76862.20652.20654.27794.2779
F72.38453.80881.35812.74232.74234.76864.27794.27792.20652.2065
F82.40861.35963.05422.79383.56752.20654.27792.20893.57952.8167
F92.40861.35963.05423.56752.79382.20654.27792.20892.81673.5795
F102.40863.05421.35963.56752.79384.27792.20653.57952.81672.2089
F112.40863.05421.35962.79383.56754.27792.20652.81673.57952.2089

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.281 C1 C2 F8 110.859
C1 C2 F9 110.859 C1 C3 F7 109.281
C1 C3 F10 110.859 C1 C3 F11 110.859
C2 C1 C3 116.409 C2 C1 F4 107.913
C2 C1 F5 107.913 C3 C1 F4 107.913
C3 C1 F5 107.913 F4 C1 F5 108.572
F6 C2 F8 108.565 F6 C2 F9 108.565
F7 C3 F10 108.565 F7 C3 F11 108.565
F8 C2 F9 108.651 F10 C3 F11 108.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.511      
2 C 0.452      
3 C 0.452      
4 F -0.203      
5 F -0.203      
6 F -0.164      
7 F -0.164      
8 F -0.170      
9 F -0.170      
10 F -0.170      
11 F -0.170      


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 -0.170 0.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.407 0.000 0.000
y 0.000 -62.575 0.000
z 0.000 0.000 -63.155
Traceless
 xyz
x -0.542 0.000 0.000
y 0.000 0.706 0.000
z 0.000 0.000 -0.164
Polar
3z2-r2-0.328
x2-y2-0.832
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.710 0.000 0.000
y 0.000 4.323 0.000
z 0.000 0.000 4.399


<r2> (average value of r2) Å2
<r2> 303.673
(<r2>)1/2 17.426