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: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-911.385677
Energy at 298.15K-911.389341
HF Energy-909.361879
Nuclear repulsion energy798.308661
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 MP2/6-311G*
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 1420 1350 9.16      
2 A1 1302 1237 395.20      
3 A1 1181 1122 190.35      
4 A1 792 753 2.51      
5 A1 676 642 4.12      
6 A1 551 523 8.74      
7 A1 390 371 0.04      
8 A1 324 308 0.53      
9 A1 158 151 0.97      
10 A2 1254 1192 0.00      
11 A2 575 547 0.00      
12 A2 357 339 0.00      
13 A2 232 220 0.00      
14 A2 28 26 0.00      
15 B1 1303 1238 610.81      
16 B1 1246 1184 109.59      
17 B1 632 600 1.08      
18 B1 471 447 3.19      
19 B1 223 212 4.40      
20 B1 92 87 0.04      
21 B2 1412 1342 142.79      
22 B2 1239 1177 61.97      
23 B2 1033 982 251.44      
24 B2 740 703 52.25      
25 B2 544 517 7.46      
26 B2 346 328 0.07      
27 B2 276 262 3.28      

Unscaled Zero Point Vibrational Energy (zpe) 9397.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 8930.2 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 MP2/6-311G*
ABC
0.05593 0.03203 0.03024

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.541
C2 0.000 1.320 -0.230
C3 0.000 -1.320 -0.230
F4 1.108 0.000 1.322
F5 -1.108 0.000 1.322
F6 0.000 2.336 0.651
F7 0.000 -2.336 0.651
F8 1.085 1.460 -1.000
F9 -1.085 1.460 -1.000
F10 -1.085 -1.460 -1.000
F11 1.085 -1.460 -1.000

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.52841.52841.35531.35532.33872.33872.38372.38372.38372.3837
C21.52842.63962.31872.31871.34463.76041.33751.33753.08173.0817
C31.52842.63962.31872.31873.76041.34463.08173.08171.33751.3375
F41.35532.31872.31872.21552.67122.67122.74283.51123.51122.7428
F51.35532.31872.31872.21552.67122.67123.51122.74282.74283.5112
F62.33871.34463.76042.67122.67124.67232.16042.16044.27924.2792
F72.33873.76041.34462.67122.67124.67234.27924.27922.16042.1604
F82.38371.33753.08172.74283.51122.16044.27922.16913.63762.9202
F92.38371.33753.08173.51122.74282.16044.27922.16912.92023.6376
F102.38373.08171.33753.51122.74284.27922.16043.63762.92022.1691
F112.38373.08171.33752.74283.51124.27922.16042.92023.63762.1691

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.822 C1 C2 F8 112.389
C1 C2 F9 112.389 C1 C3 F7 108.822
C1 C3 F10 112.389 C1 C3 F11 112.389
C2 C1 C3 119.435 C2 C1 F4 106.891
C2 C1 F5 106.891 C3 C1 F4 106.891
C3 C1 F5 106.891 F4 C1 F5 109.632
F6 C2 F8 107.317 F6 C2 F9 107.317
F7 C3 F10 107.317 F7 C3 F11 107.317
F8 C2 F9 108.362 F10 C3 F11 108.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability