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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP4=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-311G**
 hartrees
Energy at 0K-575.145547
Energy at 298.15K-575.148989
HF Energy-573.669111
Nuclear repulsion energy359.344574
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 MP4=FULL/6-311G**
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' 3146 3025        
2 A' 1477 1420        
3 A' 1338 1287        
4 A' 1224 1177        
5 A' 1151 1107        
6 A' 877 843        
7 A' 725 698        
8 A' 580 558        
9 A' 523 503        
10 A' 366 352        
11 A' 247 237        
12 A" 1410 1356        
13 A" 1251 1202        
14 A" 1176 1130        
15 A" 587 564        
16 A" 418 402        
17 A" 213 205        
18 A" 77 74        

Unscaled Zero Point Vibrational Energy (zpe) 8393.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8069.9 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 MP4=FULL/6-311G**
ABC
0.12183 0.08074 0.06672

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.120 -0.602 0.000
C2 -0.604 0.747 0.000
F3 1.443 -0.441 0.000
F4 -0.233 -1.299 1.088
F5 -0.233 -1.299 -1.088
F6 -0.233 1.437 -1.102
F7 -0.233 1.437 1.102
H8 -1.688 0.606 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.53071.33351.33951.33952.34442.34442.1738
C21.53072.36662.34692.34691.35181.35181.0936
F31.33352.36662.17522.17522.74792.74793.3015
F41.33952.34692.17522.17603.50462.73622.6320
F51.33952.34692.17522.17602.73623.50462.6320
F62.34441.35182.74793.50462.73622.20392.0055
F72.34441.35182.74792.73623.50462.20392.0055
H82.17381.09363.30152.63202.63202.00552.0055

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.685 C1 C2 F7 108.685
C1 C2 H8 110.755 C2 C1 F3 111.249
C2 C1 F4 109.525 C2 C1 F5 109.525
F3 C1 F4 108.932 F3 C1 F5 108.932
F4 C1 F5 108.631 F6 C2 F7 109.205
F6 C2 H8 109.739 F7 C2 H8 109.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability