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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-907.904097
Energy at 298.15K 
HF Energy-907.904097
Nuclear repulsion energy795.548561
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 B1B95/3-21G
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 1361 1302 7.72      
2 A1 1350 1291 250.07      
3 A1 1188 1137 155.99      
4 A1 752 720 4.78      
5 A1 656 628 2.42      
6 A1 513 491 15.94      
7 A1 377 361 0.04      
8 A1 342 327 0.35      
9 A1 226 216 1.90      
10 A2 1285 1229 0.00      
11 A2 537 514 0.00      
12 A2 328 313 0.00      
13 A2 203 195 0.00      
14 A2 33i 32i 0.00      
15 B1 1332 1274 471.46      
16 B1 1232 1179 5.42      
17 B1 599 573 2.66      
18 B1 474 454 2.68      
19 B1 272 261 7.23      
20 B1 105 101 0.86      
21 B2 1353 1294 132.45      
22 B2 1260 1206 52.20      
23 B2 1027 983 179.49      
24 B2 686 657 56.93      
25 B2 506 484 11.02      
26 B2 328 313 0.05      
27 B2 241 231 3.96      

Unscaled Zero Point Vibrational Energy (zpe) 9249.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8848.9 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 B1B95/3-21G
ABC
0.05414 0.03259 0.03081

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.603
C2 0.000 1.266 -0.229
C3 0.000 -1.266 -0.229
F4 1.123 0.000 1.392
F5 -1.123 0.000 1.392
F6 0.000 2.348 0.588
F7 0.000 -2.348 0.588
F8 1.105 1.301 -1.015
F9 -1.105 1.301 -1.015
F10 -1.105 -1.301 -1.015
F11 1.105 -1.301 -1.015

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.51441.51441.37291.37292.34802.34802.35152.35152.35152.3515
C21.51442.53122.34332.34331.35593.70471.35631.35632.90272.9027
C31.51442.53122.34332.34333.70471.35592.90272.90271.35631.3563
F41.37292.34332.34332.24652.72422.72422.73613.52853.52852.7361
F51.37292.34332.34332.24652.72422.72423.52852.73612.73613.5285
F62.34801.35593.70472.72422.72424.69592.21032.21034.13564.1356
F72.34803.70471.35592.72422.72424.69594.13564.13562.21032.2103
F82.35151.35632.90272.73613.52852.21034.13562.20973.41362.6018
F92.35151.35632.90273.52852.73612.21034.13562.20972.60183.4136
F102.35152.90271.35633.52852.73614.13562.21033.41362.60182.2097
F112.35152.90271.35632.73613.52854.13562.21032.60183.41362.2097

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.654 C1 C2 F8 109.874
C1 C2 F9 109.874 C1 C3 F7 109.654
C1 C3 F10 109.874 C1 C3 F11 109.874
C2 C1 C3 113.384 C2 C1 F4 108.407
C2 C1 F5 108.407 C3 C1 F4 108.407
C3 C1 F5 108.407 F4 C1 F5 109.798
F6 C2 F8 109.162 F6 C2 F9 109.162
F7 C3 F10 109.162 F7 C3 F11 109.162
F8 C2 F9 109.095 F10 C3 F11 109.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.348      
2 C 0.855      
3 C 0.855      
4 F -0.253      
5 F -0.253      
6 F -0.259      
7 F -0.259      
8 F -0.258      
9 F -0.258      
10 F -0.258      
11 F -0.258      


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 -0.035 0.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -57.302 0.000 0.000
y 0.000 -56.828 0.000
z 0.000 0.000 -57.321
Traceless
 xyz
x -0.227 0.000 0.000
y 0.000 0.484 0.000
z 0.000 0.000 -0.256
Polar
3z2-r2-0.513
x2-y2-0.474
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.259 0.000 0.000
y 0.000 3.971 0.000
z 0.000 0.000 3.931


<r2> (average value of r2) Å2
<r2> 362.720
(<r2>)1/2 19.045