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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CID/6-31G*

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/6-31G*
 hartrees
Energy at 0K-574.433132
Energy at 298.15K-574.436715
HF Energy-573.515423
Nuclear repulsion energy362.723373
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/6-31G*
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' 3292 3041 22.91      
2 A' 1591 1470 4.67      
3 A' 1442 1332 190.24      
4 A' 1323 1222 206.54      
5 A' 1234 1140 126.81      
6 A' 939 868 55.07      
7 A' 766 707 39.25      
8 A' 605 559 18.28      
9 A' 545 503 10.89      
10 A' 382 352 0.07      
11 A' 256 236 4.70      
12 A" 1502 1387 23.81      
13 A" 1367 1263 368.78      
14 A" 1274 1177 114.04      
15 A" 617 570 1.43      
16 A" 439 405 1.65      
17 A" 219 202 2.90      
18 A" 81 75 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 8936.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 8254.3 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/6-31G*
ABC
0.12401 0.08245 0.06808

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.116 -0.594 0.000
C2 -0.603 0.739 0.000
F3 1.428 -0.429 0.000
F4 -0.229 -1.288 1.078
F5 -0.229 -1.288 -1.078
F6 -0.229 1.421 -1.093
F7 -0.229 1.421 1.093
H8 -1.678 0.604 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.51461.32231.32801.32802.31802.31802.1574
C21.51462.34292.32592.32591.34141.34141.0832
F31.32232.34292.15622.15622.71332.71333.2733
F41.32802.32592.15622.15623.47142.70892.6154
F51.32802.32592.15622.15622.70893.47142.6154
F62.31801.34142.71333.47142.70892.18581.9899
F72.31801.34142.71332.70893.47142.18581.9899
H82.15741.08323.27332.61542.61541.98991.9899

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.362 C1 C2 F7 108.362
C1 C2 H8 111.218 C2 C1 F3 111.177
C2 C1 F4 109.644 C2 C1 F5 109.644
F3 C1 F4 108.892 F3 C1 F5 108.892
F4 C1 F5 108.542 F6 C2 F7 109.127
F6 C2 H8 109.862 F7 C2 H8 109.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability