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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP3=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/3-21G
 hartrees
Energy at 0K-571.172487
Energy at 298.15K-571.175811
HF Energy-570.407705
Nuclear repulsion energy354.539760
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 MP3=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 A' 3193 3193 19.90      
2 A' 1503 1503 11.56      
3 A' 1374 1374 134.32      
4 A' 1274 1274 164.39      
5 A' 1149 1149 66.30      
6 A' 878 878 48.19      
7 A' 703 703 36.52      
8 A' 552 552 24.21      
9 A' 506 506 16.39      
10 A' 354 354 0.16      
11 A' 233 233 6.40      
12 A" 1469 1469 19.99      
13 A" 1333 1333 238.88      
14 A" 1221 1221 53.55      
15 A" 579 579 2.83      
16 A" 405 405 2.77      
17 A" 195 195 4.31      
18 A" 74 74 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 8496.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8496.1 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 MP3=FULL/3-21G
ABC
0.11648 0.07995 0.06557

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.594 0.000
C2 -0.614 0.733 0.000
F3 1.472 -0.423 0.000
F4 -0.239 -1.305 1.110
F5 -0.239 -1.305 -1.110
F6 -0.239 1.439 -1.131
F7 -0.239 1.439 1.131
H8 -1.687 0.561 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51761.36141.36671.36672.35482.35482.1459
C21.51762.38492.35142.35141.38521.38521.0870
F31.36142.38492.22192.22192.77052.77053.3087
F41.36672.35142.22192.22073.54362.74442.6102
F51.36672.35142.22192.22072.74443.54362.6102
F62.35481.38522.77053.54362.74442.26292.0367
F72.35481.38522.77052.74443.54362.26292.0367
H82.14591.08703.30872.61022.61022.03672.0367

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.343 C1 C2 F7 108.343
C1 C2 H8 109.851 C2 C1 F3 111.752
C2 C1 F4 109.113 C2 C1 F5 109.113
F3 C1 F4 109.071 F3 C1 F5 109.071
F4 C1 F5 108.669 F6 C2 F7 109.531
F6 C2 H8 110.361 F7 C2 H8 110.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability