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All results from a given calculation for C3F8 (perfluoropropane)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-208.253990
Energy at 298.15K-208.256806
HF Energy-207.061918
Nuclear repulsion energy427.420158
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/CEP-121G
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 1249 1219 12.45      
2 A1 1134 1107 264.97      
3 A1 1037 1012 188.67      
4 A1 674 658 1.62      
5 A1 587 573 5.51      
6 A1 467 455 14.00      
7 A1 339 331 0.02      
8 A1 291 284 0.77      
9 A1 140 137 1.70      
10 A2 1078 1052 0.00      
11 A2 495 483 0.00      
12 A2 314 307 0.00      
13 A2 212 207 0.00      
14 A2 18 18 0.00      
15 B1 1122 1095 437.47      
16 B1 1084 1058 112.41      
17 B1 557 543 0.84      
18 B1 405 395 6.53      
19 B1 205 200 6.88      
20 B1 81 79 0.02      
21 B2 1287 1257 90.61      
22 B2 1067 1041 44.01      
23 B2 910 888 245.72      
24 B2 629 613 50.75      
25 B2 463 452 11.64      
26 B2 312 305 0.05      
27 B2 253 247 4.49      

Unscaled Zero Point Vibrational Energy (zpe) 8204.1 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 8007.2 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/CEP-121G
ABC
0.05074 0.02932 0.02778

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.587
C2 0.000 1.345 -0.236
C3 0.000 -1.345 -0.236
F4 1.156 0.000 1.418
F5 -1.156 0.000 1.418
F6 0.000 2.437 0.649
F7 0.000 -2.437 0.649
F8 1.143 1.431 -1.053
F9 -1.143 1.431 -1.053
F10 -1.143 -1.431 -1.053
F11 1.143 -1.431 -1.053

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 F6 F7 F8 F9 F10 F11
C11.57701.57701.42371.42372.43822.43822.45882.45882.45882.4588
C21.57702.69002.42512.42511.40593.88461.40791.40793.11173.1117
C31.57702.69002.42512.42513.88461.40593.11173.11171.40791.4079
F41.42372.42512.42512.31262.80522.80522.85543.66633.66632.8554
F51.42372.42512.42512.31262.80522.80523.66632.85542.85543.6663
F62.43821.40593.88462.80522.80524.87482.28382.28384.37844.3784
F72.43823.88461.40592.80522.80524.87484.37844.37842.28382.2838
F82.45881.40793.11172.85543.66632.28384.37842.28683.66392.8626
F92.45881.40793.11173.66632.85542.28384.37842.28682.86263.6639
F102.45883.11171.40793.66632.85544.37842.28383.66392.86262.2868
F112.45883.11171.40792.85543.66634.37842.28382.86263.66392.2868

picture of perfluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.518 C1 C2 F8 110.804
C1 C2 F9 110.804 C1 C3 F7 109.518
C1 C3 F10 110.804 C1 C3 F11 110.804
C2 C1 C3 117.060 C2 C1 F4 107.732
C2 C1 F5 107.732 C3 C1 F4 107.732
C3 C1 F5 107.732 F4 C1 F5 108.619
F6 C2 F8 108.519 F6 C2 F9 108.519
F7 C3 F10 108.519 F7 C3 F11 108.519
F8 C2 F9 108.615 F10 C3 F11 108.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability