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All results from a given calculation for CF3CHF2 (pentafluoroethane)

using model chemistry: MP2=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 MP2=FULL/6-31G
 hartrees
Energy at 0K-574.117149
Energy at 298.15K-574.120336
HF Energy-573.313928
Nuclear repulsion energy348.549640
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/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' 3216 3056 7.69      
2 A' 1452 1380 1.80      
3 A' 1325 1258 100.59      
4 A' 1180 1121 189.08      
5 A' 1080 1026 87.47      
6 A' 847 805 72.05      
7 A' 669 636 31.92      
8 A' 528 502 23.85      
9 A' 475 452 14.77      
10 A' 344 327 0.10      
11 A' 240 228 6.27      
12 A" 1410 1339 5.93      
13 A" 1199 1139 264.94      
14 A" 1113 1058 82.57      
15 A" 551 523 1.56      
16 A" 387 368 3.00      
17 A" 205 195 4.41      
18 A" 76 73 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 8149.2 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 7742.6 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/6-31G
ABC
0.11243 0.07744 0.06347

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.119 -0.594 0.000
C2 -0.627 0.737 0.000
F3 1.497 -0.423 0.000
F4 -0.242 -1.331 1.132
F5 -0.242 -1.331 -1.132
F6 -0.242 1.461 -1.150
F7 -0.242 1.461 1.150
H8 -1.708 0.605 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 F7 H8
C11.52521.38931.39761.39762.38222.38222.1843
C21.52522.42002.38802.38801.41241.41241.0890
F31.38932.42002.26492.26492.81032.81033.3656
F41.39762.38802.26492.26313.60532.79142.6783
F51.39762.38802.26492.26312.79143.60532.6783
F62.38221.41242.81033.60532.79142.30062.0502
F72.38221.41242.81032.79143.60532.30062.0502
H82.18431.08903.36562.67832.67832.05022.0502

picture of pentafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.311 C1 C2 F7 108.311
C1 C2 H8 112.275 C2 C1 F3 112.184
C2 C1 F4 109.501 C2 C1 F5 109.501
F3 C1 F4 108.720 F3 C1 F5 108.720
F4 C1 F5 108.123 F6 C2 F7 109.061
F6 C2 H8 109.412 F7 C2 H8 109.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability