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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-912.221894
Energy at 298.15K-912.211412
HF Energy-909.090717
Nuclear repulsion energy807.467958
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1551 1551 11.94      
2 A1 1445 1445 446.50      
3 A1 1276 1276 265.51      
4 A1 857 857 4.35      
5 A1 730 730 4.13      
6 A1 597 597 14.54      
7 A1 418 418 0.12      
8 A1 342 342 0.74      
9 A1 161 161 1.37      
10 A2 1395 1395 0.00      
11 A2 622 622 0.00      
12 A2 386 386 0.00      
13 A2 242 242 0.00      
14 A2 24 24 0.00      
15 B1 1440 1440 674.11      
16 B1 1378 1378 181.89      
17 B1 682 682 2.61      
18 B1 509 509 5.02      
19 B1 227 227 6.18      
20 B1 88 88 0.05      
21 B2 1531 1531 190.73      
22 B2 1378 1378 64.36      
23 B2 1111 1111 307.22      
24 B2 800 800 72.95      
25 B2 588 588 11.32      
26 B2 365 365 0.01      
27 B2 291 291 4.47      

Unscaled Zero Point Vibrational Energy (zpe) 10215.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10215.3 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 CBS-Q
ABC
0.05575 0.03207 0.03027

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.583
C2 0.000 1.302 -0.233
C3 0.000 -1.302 -0.233
F4 1.078 0.000 1.350
F5 -1.078 0.000 1.350
F6 0.000 2.317 0.591
F7 0.000 -2.317 0.591
F8 1.065 1.369 -0.990
F9 -1.065 1.369 -0.990
F10 -1.065 -1.369 -0.990
F11 1.065 -1.369 -0.990

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.53691.53691.32331.32332.31702.31702.34172.34172.34172.3417
C21.53692.60452.31642.31641.30703.71181.30811.30812.97402.9740
C31.53692.60452.31642.31643.71181.30702.97402.97401.30811.3081
F41.32332.31642.31642.15652.66612.66612.71133.45613.45612.7113
F51.32332.31642.31642.15652.66612.66613.45612.71132.71133.4561
F62.31701.30703.71182.66612.66614.63392.12832.12834.14994.1499
F72.31703.71181.30702.66612.66614.63394.14994.14992.12832.1283
F82.34171.30812.97402.71133.45612.12834.14992.13003.46972.7389
F92.34171.30812.97403.45612.71132.12834.14992.13002.73893.4697
F102.34172.97401.30813.45612.71134.14992.12833.46972.73892.1300
F112.34172.97401.30812.71133.45614.14992.12832.73893.46972.1300

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.847 C1 C2 F8 110.530
C1 C2 F9 110.530 C1 C3 F7 108.847
C1 C3 F10 110.530 C1 C3 F11 110.530
C2 C1 C3 115.841 C2 C1 F4 107.932
C2 C1 F5 107.932 C3 C1 F4 107.932
C3 C1 F5 107.932 F4 C1 F5 109.138
F6 C2 F8 108.945 F6 C2 F9 108.945
F7 C3 F10 108.945 F7 C3 F11 108.945
F8 C2 F9 109.008 F10 C3 F11 109.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability