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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-896.546793
Energy at 298.15K 
HF Energy-896.546793
Nuclear repulsion energy774.493081
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/STO-3G
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 1563 1276 72.70      
2 A1 1451 1185 12.85      
3 A1 1290 1053 79.95      
4 A1 816 666 4.48      
5 A1 662 540 6.43      
6 A1 525 428 20.37      
7 A1 365 298 0.02      
8 A1 305 249 0.57      
9 A1 116 95 0.64      
10 A2 1519 1240 0.00      
11 A2 547 447 0.00      
12 A2 341 278 0.00      
13 A2 195 159 0.00      
14 A2 21i 17i 0.00      
15 B1 1570 1282 27.82      
16 B1 1494 1220 138.60      
17 B1 621 507 3.91      
18 B1 441 360 7.03      
19 B1 170 139 2.86      
20 B1 37 30 0.01      
21 B2 1509 1232 45.16      
22 B2 1406 1148 44.11      
23 B2 1080 881 79.75      
24 B2 710 580 70.20      
25 B2 512 418 12.24      
26 B2 325 265 0.06      
27 B2 239 195 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 9893.2 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 8077.8 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/STO-3G
ABC
0.05183 0.03066 0.02851

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.672
C2 0.000 1.327 -0.245
C3 0.000 -1.327 -0.245
F4 1.118 0.000 1.473
F5 -1.118 0.000 1.473
F6 0.000 2.442 0.550
F7 0.000 -2.442 0.550
F8 1.114 1.353 -1.042
F9 -1.114 1.353 -1.042
F10 -1.114 -1.353 -1.042
F11 1.114 -1.353 -1.042

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.61261.61261.37601.37602.44532.44532.45122.45122.45122.4512
C21.61262.65312.44212.44211.37043.85191.37021.37023.00923.0092
C31.61262.65312.44212.44213.85191.37043.00923.00921.37021.3702
F41.37602.44212.44212.23672.84032.84032.85603.62523.62522.8560
F51.37602.44212.44212.23672.84032.84033.62522.85602.85603.6252
F62.44531.37043.85192.84032.84034.88462.22822.22824.26384.2638
F72.44533.85191.37042.84032.84034.88464.26384.26382.22822.2282
F82.45121.37023.00922.85603.62522.22824.26382.22883.50532.7055
F92.45121.37023.00923.62522.85602.22824.26382.22882.70553.5053
F102.45123.00921.37023.62522.85604.26382.22823.50532.70552.2288
F112.45123.00921.37022.85603.62524.26382.22822.70553.50532.2288

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.854 C1 C2 F8 110.265
C1 C2 F9 110.265 C1 C3 F7 109.854
C1 C3 F10 110.265 C1 C3 F11 110.265
C2 C1 C3 110.696 C2 C1 F4 109.345
C2 C1 F5 109.345 C3 C1 F4 109.345
C3 C1 F5 109.345 F4 C1 F5 108.736
F6 C2 F8 108.789 F6 C2 F9 108.789
F7 C3 F10 108.789 F7 C3 F11 108.789
F8 C2 F9 108.841 F10 C3 F11 108.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.244      
2 C 0.413      
3 C 0.413      
4 F -0.127      
5 F -0.127      
6 F -0.135      
7 F -0.135      
8 F -0.136      
9 F -0.136      
10 F -0.136      
11 F -0.136      


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 0.046 0.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.324 0.000 0.000
y 0.000 -50.919 0.000
z 0.000 0.000 -51.101
Traceless
 xyz
x -0.314 0.000 0.000
y 0.000 0.294 0.000
z 0.000 0.000 0.020
Polar
3z2-r20.041
x2-y2-0.405
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.058 0.000 0.000
y 0.000 3.097 0.000
z 0.000 0.000 2.928


<r2> (average value of r2) Å2
<r2> 380.548
(<r2>)1/2 19.508