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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2/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 MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-575.348398
Energy at 298.15K-575.351845
HF Energy-573.747787
Nuclear repulsion energy360.143009
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/aug-cc-pVTZ
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' 3159 3010 12.42      
2 A' 1476 1406 1.36      
3 A' 1337 1274 144.60      
4 A' 1217 1159 194.98      
5 A' 1158 1103 132.52      
6 A' 882 841 46.82      
7 A' 730 695 32.24      
8 A' 581 554 14.16      
9 A' 523 498 7.30      
10 A' 365 348 0.04      
11 A' 246 234 3.65      
12 A" 1390 1325 7.05      
13 A" 1236 1178 387.90      
14 A" 1165 1110 93.05      
15 A" 588 560 0.56      
16 A" 418 398 0.88      
17 A" 212 202 2.02      
18 A" 78 75 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 8379.7 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 7985.1 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/aug-cc-pVTZ
ABC
0.12277 0.08084 0.06692

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.601 0.000
C2 -0.604 0.747 0.000
F3 1.440 -0.445 0.000
F4 -0.233 -1.298 1.084
F5 -0.233 -1.298 -1.084
F6 -0.233 1.438 -1.097
F7 -0.233 1.438 1.097
H8 -1.683 0.608 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53051.32871.33551.33552.34222.34222.1713
C21.53052.36562.34372.34371.34821.34821.0887
F31.32872.36562.16732.16732.74672.74673.2956
F41.33552.34372.16732.16733.49812.73542.6285
F51.33552.34372.16732.16732.73543.49812.6285
F62.34221.34822.74673.49812.73542.19381.9992
F72.34221.34822.74672.73543.49812.19381.9992
H82.17131.08873.29562.62852.62851.99921.9992

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.734 C1 C2 F7 108.734
C1 C2 H8 110.863 C2 C1 F3 111.466
C2 C1 F4 109.539 C2 C1 F5 109.539
F3 C1 F4 108.884 F3 C1 F5 108.884
F4 C1 F5 108.474 F6 C2 F7 108.895
F6 C2 H8 109.788 F7 C2 H8 109.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability