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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CID/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-574.737083
Energy at 298.15K-574.740748
HF Energy-573.671115
Nuclear repulsion energy364.201587
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 CID/6-311G*
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' 3288 3055 24.14      
2 A' 1585 1472 3.48      
3 A' 1433 1332 216.12      
4 A' 1317 1224 215.96      
5 A' 1237 1149 161.03      
6 A' 938 872 55.27      
7 A' 777 722 43.40      
8 A' 620 576 18.31      
9 A' 558 519 11.89      
10 A' 388 361 0.10      
11 A' 261 242 5.18      
12 A" 1495 1389 22.10      
13 A" 1356 1260 417.23      
14 A" 1272 1182 128.42      
15 A" 626 582 1.50      
16 A" 447 415 1.60      
17 A" 225 209 3.40      
18 A" 83 77 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 8952.9 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 8318.1 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 CID/6-311G*
ABC
0.12569 0.08256 0.06838

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.597 0.000
C2 -0.596 0.743 0.000
F3 1.423 -0.444 0.000
F4 -0.230 -1.283 1.071
F5 -0.230 -1.283 -1.071
F6 -0.230 1.423 -1.084
F7 -0.230 1.423 1.084
H8 -1.670 0.607 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51861.31301.31871.31872.31902.31902.1563
C21.51862.34162.32042.32041.33111.33111.0826
F31.31302.34162.14112.14112.71892.71893.2664
F41.31872.32042.14112.14143.45922.70592.6060
F51.31872.32042.14112.14142.70593.45922.6060
F62.31901.33112.71893.45922.70592.16881.9784
F72.31901.33112.71892.70593.45922.16881.9784
H82.15631.08263.26642.60602.60601.97841.9784

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.749 C1 C2 F7 108.749
C1 C2 H8 110.866 C2 C1 F3 111.364
C2 C1 F4 109.531 C2 C1 F5 109.531
F3 C1 F4 108.897 F3 C1 F5 108.897
F4 C1 F5 108.570 F6 C2 F7 109.104
F6 C2 H8 109.669 F7 C2 H8 109.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability