return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3CF2Cl (pentafluorochloroethane)

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1034.413388
Energy at 298.15K-1034.415955
HF Energy-1032.668000
Nuclear repulsion energy536.016410
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/cc-pVTZ
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' 1397 1326 61.29      
2 A' 1266 1202 261.49      
3 A' 1157 1098 194.41      
4 A' 1003 952 263.53      
5 A' 774 735 29.47      
6 A' 659 626 13.37      
7 A' 565 536 6.04      
8 A' 450 427 0.18      
9 A' 370 351 0.03      
10 A' 321 304 1.29      
11 A' 186 176 1.19      
12 A" 1281 1216 325.45      
13 A" 1222 1160 123.61      
14 A" 606 575 0.98      
15 A" 459 436 1.37      
16 A" 338 320 0.02      
17 A" 222 211 1.97      
18 A" 75 71 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 6173.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 5861.8 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/cc-pVTZ
ABC
0.07854 0.05109 0.04603

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.092 -0.636 0.000
C2 -0.623 0.734 0.000
Cl3 1.833 -0.437 0.000
F4 -0.293 -1.313 1.084
F5 -0.293 -1.313 -1.084
F6 -1.937 0.534 0.000
F7 -0.293 1.426 1.082
F8 -0.293 1.426 -1.082

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 F6 F7 F8
C11.54461.75251.33471.33472.34192.36052.3605
C21.54462.72042.33982.33981.32971.32671.3267
Cl31.75252.72042.54162.54163.89313.02713.0271
F41.33472.33982.54162.16792.70052.73963.4927
F51.33472.33982.54162.16792.70053.49272.7396
F62.34191.32973.89312.70052.70052.16142.1614
F72.36051.32673.02712.73963.49272.16142.1650
F82.36051.32673.02713.49272.73962.16142.1650

picture of pentafluorochloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 108.900 C1 C2 F7 110.360
C1 C2 F8 110.360 C2 C1 Cl3 111.035
C2 C1 F4 108.483 C2 C1 F5 108.483
Cl3 C1 F4 110.086 Cl3 C1 F5 110.086
F4 C1 F5 108.605 F6 C2 F7 108.913
F6 C2 F8 108.913 F7 C2 F8 109.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability