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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-907.966473
Energy at 298.15K 
HF Energy-907.966473
Nuclear repulsion energy782.082016
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 BLYP/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 1249 1241 63.61      
2 A1 1242 1234 175.30      
3 A1 1108 1101 142.59      
4 A1 702 697 2.92      
5 A1 614 610 3.15      
6 A1 488 485 9.74      
7 A1 344 342 0.13      
8 A1 297 295 0.54      
9 A1 142 141 1.02      
10 A2 1177 1170 0.00      
11 A2 512 509 0.00      
12 A2 308 306 0.00      
13 A2 203 202 0.00      
14 A2 26i 25i 0.00      
15 B1 1224 1216 438.77      
16 B1 1123 1116 5.71      
17 B1 568 564 1.25      
18 B1 412 409 3.49      
19 B1 195 194 4.54      
20 B1 79 78 0.01      
21 B2 1234 1226 126.33      
22 B2 1156 1148 40.80      
23 B2 950 944 163.95      
24 B2 646 642 45.69      
25 B2 480 476 8.87      
26 B2 314 312 0.10      
27 B2 242 241 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 8490.7 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 8435.5 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 BLYP/3-21G*
ABC
0.05235 0.03148 0.02978

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.606
C2 0.000 1.287 -0.233
C3 0.000 -1.287 -0.233
F4 1.143 0.000 1.411
F5 -1.143 0.000 1.411
F6 0.000 2.383 0.607
F7 0.000 -2.383 0.607
F8 1.125 1.330 -1.032
F9 -1.125 1.330 -1.032
F10 -1.125 -1.330 -1.032
F11 1.125 -1.330 -1.032

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.53641.53641.39721.39722.38292.38292.39122.39122.39122.3912
C21.53642.57412.37952.37951.38053.76481.38051.38052.95822.9582
C31.53642.57412.37952.37953.76481.38052.95822.95821.38051.3805
F41.39722.37952.37952.28532.76222.76222.78133.58823.58822.7813
F51.39722.37952.37952.28532.76222.76223.58822.78132.78133.5882
F62.38291.38053.76482.76222.76224.76592.24972.24974.21124.2112
F72.38293.76481.38052.76222.76224.76594.21124.21122.24972.2497
F82.39121.38052.95822.78133.58822.24974.21122.24903.48282.6592
F92.39121.38052.95823.58822.78132.24974.21122.24902.65923.4828
F102.39122.95821.38053.58822.78134.21122.24973.48282.65922.2490
F112.39122.95821.38052.78133.58824.21122.24972.65923.48282.2490

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.448 C1 C2 F8 110.011
C1 C2 F9 110.011 C1 C3 F7 109.448
C1 C3 F10 110.011 C1 C3 F11 110.011
C2 C1 C3 113.799 C2 C1 F4 108.317
C2 C1 F5 108.317 C3 C1 F4 108.317
C3 C1 F5 108.317 F4 C1 F5 109.733
F6 C2 F8 109.134 F6 C2 F9 109.134
F7 C3 F10 109.134 F7 C3 F11 109.134
F8 C2 F9 109.082 F10 C3 F11 109.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.309      
2 C 0.732      
3 C 0.732      
4 F -0.220      
5 F -0.220      
6 F -0.223      
7 F -0.223      
8 F -0.222      
9 F -0.222      
10 F -0.222      
11 F -0.222      


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 -0.055 0.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -56.643 0.000 0.000
y 0.000 -56.388 0.000
z 0.000 0.000 -56.762
Traceless
 xyz
x -0.067 0.000 0.000
y 0.000 0.314 0.000
z 0.000 0.000 -0.247
Polar
3z2-r2-0.494
x2-y2-0.254
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.610 0.000 0.000
y 0.000 4.384 0.000
z 0.000 0.000 4.286


<r2> (average value of r2) Å2
<r2> 373.769
(<r2>)1/2 19.333