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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-905.431811
Energy at 298.15K 
HF Energy-904.197333
Nuclear repulsion energy789.363279
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=FULL/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 1365 1294 105.49      
2 A1 1352 1282 141.85      
3 A1 1188 1126 163.86      
4 A1 747 708 5.13      
5 A1 654 620 2.48      
6 A1 519 492 17.68      
7 A1 366 347 0.30      
8 A1 317 301 0.75      
9 A1 152 144 1.55      
10 A2 1294 1227 0.00      
11 A2 548 520 0.00      
12 A2 333 316 0.00      
13 A2 212 201 0.00      
14 A2 37i 35i 0.00      
15 B1 1330 1261 444.25      
16 B1 1240 1175 12.05      
17 B1 607 576 3.21      
18 B1 443 420 6.14      
19 B1 201 191 6.69      
20 B1 81 77 0.05      
21 B2 1362 1291 138.96      
22 B2 1269 1203 43.57      
23 B2 1018 965 186.05      
24 B2 687 651 59.61      
25 B2 513 486 14.72      
26 B2 334 316 0.03      
27 B2 257 244 4.94      

Unscaled Zero Point Vibrational Energy (zpe) 9176.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 8699.5 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 MP2=FULL/3-21G*
ABC
0.05341 0.03201 0.03035

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.594
C2 0.000 1.277 -0.229
C3 0.000 -1.277 -0.229
F4 1.136 0.000 1.390
F5 -1.136 0.000 1.390
F6 0.000 2.359 0.608
F7 0.000 -2.359 0.608
F8 1.114 1.321 -1.022
F9 -1.114 1.321 -1.022
F10 -1.114 -1.321 -1.022
F11 1.114 -1.321 -1.022

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.51921.51921.38721.38722.35912.35912.36552.36552.36552.3655
C21.51922.55422.35452.35451.36773.73121.36801.36802.93612.9361
C31.51922.55422.35452.35453.73121.36772.93612.93611.36801.3680
F41.38722.35452.35452.27112.73272.73272.75013.55313.55312.7501
F51.38722.35452.35452.27112.73272.73273.55312.75012.75013.5531
F62.35911.36773.73122.73272.73274.71812.23002.23004.17614.1761
F72.35913.73121.36772.73272.73274.71814.17614.17612.23002.2300
F82.36551.36802.93612.75013.55312.23004.17612.22873.45672.6423
F92.36551.36802.93613.55312.75012.23004.17612.22872.64233.4567
F102.36552.93611.36803.55312.75014.17612.23003.45672.64232.2287
F112.36552.93611.36802.75013.55314.17612.23002.64233.45672.2287

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.492 C1 C2 F8 109.921
C1 C2 F9 109.921 C1 C3 F7 109.492
C1 C3 F10 109.921 C1 C3 F11 109.921
C2 C1 C3 114.418 C2 C1 F4 108.125
C2 C1 F5 108.125 C3 C1 F4 108.125
C3 C1 F5 108.125 F4 C1 F5 109.882
F6 C2 F8 109.199 F6 C2 F9 109.199
F7 C3 F10 109.199 F7 C3 F11 109.199
F8 C2 F9 109.090 F10 C3 F11 109.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability