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: HF/CEP-121G

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-121G
 hartrees
Energy at 0K-207.079207
Energy at 298.15K-207.082817
HF Energy-207.079207
Nuclear repulsion energy439.482375
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-121G
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 1427 1302 20.28      
2 A1 1338 1221 313.07      
3 A1 1186 1082 229.70      
4 A1 770 702 3.71      
5 A1 666 608 5.33      
6 A1 532 485 24.59      
7 A1 383 349 0.10      
8 A1 322 294 1.13      
9 A1 151 138 2.13      
10 A2 1288 1175 0.00      
11 A2 560 511 0.00      
12 A2 355 324 0.00      
13 A2 234 213 0.00      
14 A2 18 17 0.00      
15 B1 1327 1211 434.66      
16 B1 1289 1176 213.27      
17 B1 628 573 3.14      
18 B1 459 419 10.52      
19 B1 221 202 9.25      
20 B1 82 75 0.03      
21 B2 1439 1313 131.21      
22 B2 1273 1161 53.65      
23 B2 1029 939 276.80      
24 B2 715 653 75.81      
25 B2 524 478 17.31      
26 B2 345 315 0.00      
27 B2 280 256 5.52      

Unscaled Zero Point Vibrational Energy (zpe) 9419.6 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 8595.4 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-121G
ABC
0.05403 0.03078 0.02906

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.583
C2 0.000 1.325 -0.234
C3 0.000 -1.325 -0.234
F4 1.115 0.000 1.384
F5 -1.115 0.000 1.384
F6 0.000 2.379 0.621
F7 0.000 -2.379 0.621
F8 1.104 1.408 -1.022
F9 -1.104 1.408 -1.022
F10 -1.104 -1.408 -1.022
F11 1.104 -1.408 -1.022

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.55711.55711.37251.37252.37932.37932.40382.40382.40382.4038
C21.55712.65072.37002.37001.35703.80181.35871.35873.05143.0514
C31.55712.65072.37002.37003.80181.35703.05143.05141.35871.3587
F41.37252.37002.37002.22942.73572.73572.78803.56283.56282.7880
F51.37252.37002.37002.22942.73572.73573.56282.78802.78803.5628
F62.37931.35703.80182.73572.73574.75802.20482.20484.27334.2733
F72.37933.80181.35702.73572.73574.75804.27334.27332.20482.2048
F82.40381.35873.05142.78803.56282.20484.27332.20713.57802.8162
F92.40381.35873.05143.56282.78802.20484.27332.20712.81623.5780
F102.40383.05141.35873.56282.78804.27332.20483.57802.81622.2071
F112.40383.05141.35872.78803.56284.27332.20482.81623.57802.2071

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.279 C1 C2 F8 110.877
C1 C2 F9 110.877 C1 C3 F7 109.279
C1 C3 F10 110.877 C1 C3 F11 110.877
C2 C1 C3 116.681 C2 C1 F4 107.831
C2 C1 F5 107.831 C3 C1 F4 107.831
C3 C1 F5 107.831 F4 C1 F5 108.620
F6 C2 F8 108.561 F6 C2 F9 108.561
F7 C3 F10 108.561 F7 C3 F11 108.561
F8 C2 F9 108.624 F10 C3 F11 108.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.464      
2 C 0.565      
3 C 0.565      
4 F -0.227      
5 F -0.227      
6 F -0.187      
7 F -0.187      
8 F -0.192      
9 F -0.192      
10 F -0.192      
11 F -0.192      


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 -0.182 0.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.053 0.000 0.000
y 0.000 -62.209 0.000
z 0.000 0.000 -62.748
Traceless
 xyz
x -0.575 0.000 0.000
y 0.000 0.692 0.000
z 0.000 0.000 -0.117
Polar
3z2-r2-0.234
x2-y2-0.844
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.914 0.000 0.000
y 0.000 4.589 0.000
z 0.000 0.000 4.645


<r2> (average value of r2) Å2
<r2> 302.718
(<r2>)1/2 17.399