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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: CCSD=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-574.651852
Energy at 298.15K-574.655293
HF Energy-573.512847
Nuclear repulsion energy359.868730
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 CCSD=FULL/6-31G*
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' 3163 3004 23.02      
2 A' 1524 1447 4.42      
3 A' 1386 1316 165.61      
4 A' 1269 1206 194.89      
5 A' 1183 1123 105.85      
6 A' 904 858 52.25      
7 A' 735 698 34.25      
8 A' 580 551 16.68      
9 A' 524 497 9.40      
10 A' 368 349 0.06      
11 A' 248 235 4.29      
12 A" 1444 1372 19.05      
13 A" 1311 1245 333.86      
14 A" 1219 1158 103.12      
15 A" 594 564 1.14      
16 A" 422 401 1.45      
17 A" 211 201 2.62      
18 A" 79 75 0.89      

Unscaled Zero Point Vibrational Energy (zpe) 8580.4 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 8149.7 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 CCSD=FULL/6-31G*
ABC
0.12165 0.08148 0.06716

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.116 -0.596 0.000
C2 -0.609 0.740 0.000
F3 1.440 -0.423 0.000
F4 -0.231 -1.297 1.089
F5 -0.231 -1.297 -1.089
F6 -0.231 1.427 -1.104
F7 -0.231 1.427 1.104
H8 -1.694 0.605 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52011.33481.34081.34082.33102.33102.1721
C21.52012.35612.34082.34081.35451.35451.0934
F31.33482.35612.17712.17712.72682.72683.2981
F41.34082.34082.17712.17743.49762.72492.6351
F51.34082.34082.17712.17742.72493.49762.6351
F62.33101.35452.72683.49762.72492.20812.0093
F72.33101.35452.72682.72493.49762.20812.0093
H82.17211.09343.29812.63512.63512.00932.0093

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.229 C1 C2 F7 108.229
C1 C2 H8 111.379 C2 C1 F3 111.068
C2 C1 F4 109.656 C2 C1 F5 109.656
F3 C1 F4 108.918 F3 C1 F5 108.918
F4 C1 F5 108.579 F6 C2 F7 109.200
F6 C2 H8 109.875 F7 C2 H8 109.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability