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All results from a given calculation for CF3CF2Cl (pentafluorochloroethane)

using model chemistry: MP2/CEP-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/CEP-31G*
 hartrees
Energy at 0K-146.181122
Energy at 298.15K-146.183537
HF Energy-144.994361
Nuclear repulsion energy248.295860
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/CEP-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' 1392 1321 57.09      
2 A' 1248 1185 269.47      
3 A' 1141 1083 234.11      
4 A' 999 949 272.53      
5 A' 757 719 26.30      
6 A' 642 610 15.99      
7 A' 552 524 5.33      
8 A' 446 424 0.91      
9 A' 361 343 0.02      
10 A' 316 300 1.25      
11 A' 183 174 1.67      
12 A" 1260 1197 355.09      
13 A" 1198 1137 156.85      
14 A" 590 560 1.05      
15 A" 448 425 1.62      
16 A" 332 315 0.04      
17 A" 219 208 2.70      
18 A" 71 67 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 6077.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 5770.1 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/CEP-31G*
ABC
0.07667 0.04959 0.04474

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.102 -0.642 0.000
C2 -0.630 0.747 0.000
Cl3 1.855 -0.455 0.000
F4 -0.298 -1.329 1.098
F5 -0.298 -1.329 -1.098
F6 -1.962 0.544 0.000
F7 -0.298 1.452 1.097
F8 -0.298 1.452 -1.097

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 F6 F7 F8
C11.56991.76341.35531.35532.38022.39692.3969
C21.56992.76112.37172.37171.34721.34531.3453
Cl31.76342.76112.56982.56983.94603.07833.0783
F41.35532.37172.56982.19562.73552.78053.5422
F51.35532.37172.56982.19562.73553.54222.7805
F62.38021.34723.94602.73552.73552.19012.1901
F72.39691.34533.07832.78053.54222.19012.1934
F82.39691.34533.07833.54222.78052.19012.1934

picture of pentafluorochloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.128 C1 C2 F7 110.374
C1 C2 F8 110.374 C2 C1 Cl3 111.728
C2 C1 F4 108.121 C2 C1 F5 108.121
Cl3 C1 F4 110.285 Cl3 C1 F5 110.285
F4 C1 F5 108.191 F6 C2 F7 108.858
F6 C2 F8 108.858 F7 C2 F8 109.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability