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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-575.397207
Energy at 298.15K-575.400729
HF Energy-573.740603
Nuclear repulsion energy361.802091
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-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3179 3018 17.27      
2 A' 1498 1422 2.47      
3 A' 1358 1289 153.58      
4 A' 1239 1177 196.56      
5 A' 1176 1117 127.39      
6 A' 895 849 45.81      
7 A' 741 704 32.40      
8 A' 592 562 13.87      
9 A' 533 506 7.72      
10 A' 372 354 0.04      
11 A' 250 237 3.88      
12 A" 1416 1344 9.91      
13 A" 1263 1199 382.93      
14 A" 1192 1132 89.82      
15 A" 598 568 0.69      
16 A" 425 404 0.95      
17 A" 216 205 2.34      
18 A" 85 81 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 8514.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 8083.1 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 MP2=FULL/cc-pVTZ
ABC
0.12354 0.08181 0.06763

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.598 0.000
C2 -0.599 0.742 0.000
F3 1.434 -0.437 0.000
F4 -0.232 -1.290 1.080
F5 -0.232 -1.290 -1.080
F6 -0.232 1.428 -1.094
F7 -0.232 1.428 1.094
H8 -1.672 0.598 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52001.32431.33051.33052.32932.32932.1538
C21.52002.35002.33052.33051.34271.34271.0827
F31.32432.35002.16112.16112.73002.73003.2739
F41.33052.33052.16112.16093.48122.71862.6088
F51.33052.33052.16112.16092.71863.48122.6088
F62.32931.34272.73003.48122.71862.18791.9901
F72.32931.34272.73002.71863.48122.18791.9901
H82.15381.08273.27392.60882.60881.99011.9901

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.753 C1 C2 F7 108.753
C1 C2 H8 110.562 C2 C1 F3 111.241
C2 C1 F4 109.499 C2 C1 F5 109.499
F3 C1 F4 108.982 F3 C1 F5 108.982
F4 C1 F5 108.591 F6 C2 F7 109.125
F6 C2 H8 109.808 F7 C2 H8 109.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability