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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-575.410856
Energy at 298.15K 
HF Energy-573.747397
Nuclear repulsion energy359.697863
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 QCISD(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVTZ
ABC
0.12262 0.08055 0.06672

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.603 0.000
C2 -0.605 0.749 0.000
F3 1.441 -0.446 0.000
F4 -0.232 -1.300 1.084
F5 -0.232 -1.300 -1.084
F6 -0.232 1.441 -1.097
F7 -0.232 1.441 1.097
H8 -1.688 0.610 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53441.32991.33641.33642.34602.34602.1773
C21.53442.36982.34842.34841.34951.34951.0916
F31.32992.36982.16882.16882.75012.75013.3023
F41.33642.34842.16882.16863.50302.74082.6352
F51.33642.34842.16882.16862.74083.50302.6352
F62.34601.34952.75013.50302.74082.19462.0033
F72.34601.34952.75012.74083.50302.19462.0033
H82.17731.09163.30232.63522.63522.00332.0033

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.706 C1 C2 F7 108.706
C1 C2 H8 110.890 C2 C1 F3 111.449
C2 C1 F4 109.583 C2 C1 F5 109.583
F3 C1 F4 108.856 F3 C1 F5 108.856
F4 C1 F5 108.456 F6 C2 F7 108.804
F6 C2 H8 109.846 F7 C2 H8 109.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability