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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-575.020631
Energy at 298.15K-575.024172
HF Energy-573.741876
Nuclear repulsion energy360.967327
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 MP3/TZVP
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' 3182 2976 17.37      
2 A' 1507 1409 0.79      
3 A' 1373 1284 193.39      
4 A' 1268 1186 181.61      
5 A' 1195 1117 157.62      
6 A' 899 841 46.81      
7 A' 753 704 40.09      
8 A' 602 563 16.88      
9 A' 544 509 10.60      
10 A' 372 348 0.10      
11 A' 252 235 4.78      
12 A" 1447 1353 13.58      
13 A" 1299 1215 369.89      
14 A" 1222 1143 127.17      
15 A" 607 568 1.19      
16 A" 430 402 1.35      
17 A" 216 202 3.13      
18 A" 75 70 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 8620.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 8062.3 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 MP3/TZVP
ABC
0.12386 0.08080 0.06702

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 -0.604 0.000
C2 -0.599 0.752 0.000
F3 1.436 -0.457 0.000
F4 -0.233 -1.295 1.079
F5 -0.233 -1.295 -1.079
F6 -0.233 1.440 -1.092
F7 -0.233 1.440 1.092
H8 -1.678 0.609 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53611.32301.32891.32892.34472.34472.1703
C21.53612.36722.34312.34311.34151.34151.0888
F31.32302.36722.15662.15662.75232.75233.2916
F41.32892.34312.15662.15713.49202.73552.6228
F51.32892.34312.15662.15712.73553.49202.6228
F62.34471.34152.75233.49202.73552.18371.9934
F72.34471.34152.75232.73553.49202.18371.9934
H82.17031.08883.29162.62282.62281.99341.9934

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.952 C1 C2 F7 108.952
C1 C2 H8 110.392 C2 C1 F3 111.561
C2 C1 F4 109.530 C2 C1 F5 109.530
F3 C1 F4 108.825 F3 C1 F5 108.825
F4 C1 F5 108.512 F6 C2 F7 108.958
F6 C2 H8 109.779 F7 C2 H8 109.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability