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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-910.950865
Energy at 298.15K-910.954394
HF Energy-909.145907
Nuclear repulsion energy792.666768
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 QCISD/6-31+G**
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 1409 1332 9.32      
2 A1 1299 1228 364.17      
3 A1 1167 1103 182.29      
4 A1 778 735 2.36      
5 A1 663 627 4.31      
6 A1 535 506 9.79      
7 A1 379 359 0.03      
8 A1 317 300 0.47      
9 A1 151 143 0.79      
10 A2 1250 1182 0.00      
11 A2 561 530 0.00      
12 A2 350 331 0.00      
13 A2 228 216 0.00      
14 A2 32 30 0.00      
15 B1 1296 1225 559.52      
16 B1 1242 1174 117.83      
17 B1 621 587 1.08      
18 B1 458 433 3.67      
19 B1 217 205 3.59      
20 B1 89 84 0.02      
21 B2 1407 1330 122.34      
22 B2 1237 1170 64.11      
23 B2 1018 962 233.74      
24 B2 722 682 54.25      
25 B2 528 499 8.54      
26 B2 339 321 0.03      
27 B2 272 257 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 9281.7 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 8774.9 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 QCISD/6-31+G**
ABC
0.05520 0.03155 0.02981

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.582
C2 0.000 1.313 -0.234
C3 0.000 -1.313 -0.234
F4 1.105 0.000 1.367
F5 -1.105 0.000 1.367
F6 0.000 2.350 0.615
F7 0.000 -2.350 0.615
F8 1.092 1.386 -1.010
F9 -1.092 1.386 -1.010
F10 -1.092 -1.386 -1.010
F11 1.092 -1.386 -1.010

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.54621.54621.35591.35592.35062.35062.37662.37662.37662.3766
C21.54622.62642.34752.34751.34083.76081.34161.34163.01333.0133
C31.54622.62642.34752.34753.76081.34083.01333.01331.34161.3416
F41.35592.34752.34752.21102.70392.70392.75163.52153.52152.7516
F51.35592.34752.34752.21102.70392.70393.52152.75162.75163.5215
F62.35061.34083.76082.70392.70394.70062.18292.18294.21834.2183
F72.35063.76081.34082.70392.70394.70064.21834.21832.18292.1829
F82.37661.34163.01332.75163.52152.18294.21832.18443.52912.7718
F92.37661.34163.01333.52152.75162.18294.21832.18442.77183.5291
F102.37663.01331.34163.52152.75164.21832.18293.52912.77182.1844
F112.37663.01331.34162.75163.52154.21832.18292.77183.52912.1844

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.807 C1 C2 F8 110.565
C1 C2 F9 110.565 C1 C3 F7 108.807
C1 C3 F10 110.565 C1 C3 F11 110.565
C2 C1 C3 116.268 C2 C1 F4 107.798
C2 C1 F5 107.798 C3 C1 F4 107.798
C3 C1 F5 107.798 F4 C1 F5 109.241
F6 C2 F8 108.935 F6 C2 F9 108.935
F7 C3 F10 108.935 F7 C3 F11 108.935
F8 C2 F9 108.998 F10 C3 F11 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability