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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-574.743620
Energy at 298.15K-574.747065
HF Energy-573.541291
Nuclear repulsion energy359.300773
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=FULL/cc-pVDZ
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' 3177 3020 28.15      
2 A' 1495 1421 5.91      
3 A' 1352 1285 177.81      
4 A' 1236 1175 215.10      
5 A' 1162 1105 131.08      
6 A' 884 840 53.03      
7 A' 730 694 33.27      
8 A' 584 555 14.86      
9 A' 527 501 9.06      
10 A' 368 350 0.04      
11 A' 244 232 4.40      
12 A" 1404 1334 20.11      
13 A" 1268 1205 396.44      
14 A" 1192 1132 96.35      
15 A" 592 562 0.92      
16 A" 419 398 1.18      
17 A" 210 200 2.94      
18 A" 74 70 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 8458.9 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 8039.3 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 MP2=FULL/cc-pVDZ
ABC
0.12173 0.08079 0.06676

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.600 0.000
C2 -0.603 0.746 0.000
F3 1.444 -0.439 0.000
F4 -0.233 -1.299 1.088
F5 -0.233 -1.299 -1.088
F6 -0.233 1.436 -1.102
F7 -0.233 1.436 1.102
H8 -1.693 0.601 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52711.33461.34061.34062.34212.34212.1735
C21.52712.36552.34562.34561.35241.35241.0995
F31.33462.36552.17642.17642.74722.74723.3049
F41.34062.34562.17642.17633.50442.73542.6311
F51.34062.34562.17642.17632.73543.50442.6311
F62.34211.35242.74723.50442.73542.20482.0111
F72.34211.35242.74722.73543.50442.20482.0111
H82.17351.09953.30492.63112.63112.01112.0111

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.702 C1 C2 F7 108.702
C1 C2 H8 110.635 C2 C1 F3 111.324
C2 C1 F4 109.584 C2 C1 F5 109.584
F3 C1 F4 108.887 F3 C1 F5 108.887
F4 C1 F5 108.523 F6 C2 F7 109.197
F6 C2 H8 109.787 F7 C2 H8 109.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability