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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: MP2/6-31+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 MP2/6-31+G**
 hartrees
Energy at 0K-910.926403
Energy at 298.15K-910.929889
HF Energy-909.144701
Nuclear repulsion energy792.185604
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 MP2/6-31+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 1397 1314 7.40      
2 A1 1274 1198 379.98      
3 A1 1157 1088 176.34      
4 A1 773 727 2.10      
5 A1 660 621 4.55      
6 A1 531 499 8.59      
7 A1 377 355 0.03      
8 A1 316 297 0.43      
9 A1 151 142 0.76      
10 A2 1223 1151 0.00      
11 A2 557 524 0.00      
12 A2 348 327 0.00      
13 A2 227 213 0.00      
14 A2 32 30 0.00      
15 B1 1272 1197 603.89      
16 B1 1218 1145 88.84      
17 B1 618 581 0.79      
18 B1 455 428 3.30      
19 B1 216 203 3.41      
20 B1 89 84 0.02      
21 B2 1397 1314 119.95      
22 B2 1211 1139 67.57      
23 B2 1011 951 236.04      
24 B2 718 675 51.62      
25 B2 525 494 7.79      
26 B2 338 318 0.04      
27 B2 270 254 3.03      

Unscaled Zero Point Vibrational Energy (zpe) 9179.2 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 8633.9 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 MP2/6-31+G**
ABC
0.05506 0.03155 0.02983

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.581
C2 0.000 1.311 -0.234
C3 0.000 -1.311 -0.234
F4 1.108 0.000 1.367
F5 -1.108 0.000 1.367
F6 0.000 2.350 0.618
F7 0.000 -2.350 0.618
F8 1.094 1.384 -1.011
F9 -1.094 1.384 -1.011
F10 -1.094 -1.384 -1.011
F11 1.094 -1.384 -1.011

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.54431.54431.35821.35822.35042.35042.37662.37662.37662.3766
C21.54432.62292.34742.34741.34333.75931.34391.34393.01113.0111
C31.54432.62292.34742.34743.75931.34333.01113.01111.34391.3439
F41.35822.34742.34742.21622.70412.70412.75113.52413.52412.7511
F51.35822.34742.34742.21622.70412.70413.52412.75112.75113.5241
F62.35041.34333.75932.70412.70414.70032.18702.18704.21834.2183
F72.35043.75931.34332.70412.70414.70034.21834.21832.18702.1870
F82.37661.34393.01112.75113.52412.18704.21832.18873.52882.7681
F92.37661.34393.01113.52412.75112.18704.21832.18872.76813.5288
F102.37663.01111.34393.52412.75114.21832.18703.52882.76812.1887
F112.37663.01111.34392.75113.52414.21832.18702.76813.52882.1887

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.772 C1 C2 F8 110.552
C1 C2 F9 110.552 C1 C3 F7 108.772
C1 C3 F10 110.552 C1 C3 F11 110.552
C2 C1 C3 116.251 C2 C1 F4 107.779
C2 C1 F5 107.779 C3 C1 F4 107.779
C3 C1 F5 107.779 F4 C1 F5 109.346
F6 C2 F8 108.947 F6 C2 F9 108.947
F7 C3 F10 108.947 F7 C3 F11 108.947
F8 C2 F9 109.034 F10 C3 F11 109.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability