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All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-137.049305
Energy at 298.15K-137.051414
HF Energy-135.805387
Nuclear repulsion energy239.304476
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-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1315 1253 0.00      
2 Ag 1095 1044 0.00      
3 Ag 700 667 0.00      
4 Ag 451 430 0.00      
5 Ag 356 339 0.00      
6 Ag 256 244 0.00      
7 Au 1201 1144 400.93      
8 Au 375 357 0.47      
9 Au 222 212 1.79      
10 Au 69 66 0.36      
11 Bg 1189 1133 0.00      
12 Bg 541 515 0.00      
13 Bg 321 306 0.00      
14 Bu 1145 1091 401.71      
15 Bu 875 834 354.87      
16 Bu 600 571 12.82      
17 Bu 438 417 2.89      
18 Bu 168 161 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 5657.7 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 5390.6 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/CEP-121G*
ABC
0.07239 0.03814 0.03428

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.246 0.744 0.000
C2 0.246 -0.744 0.000
Cl3 -2.009 0.831 0.000
Cl4 2.009 -0.831 0.000
F5 0.246 1.367 1.097
F6 0.246 1.367 -1.097
F7 -0.246 -1.367 1.097
F8 -0.246 -1.367 -1.097

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.56671.76492.75021.35451.35452.37892.3789
C21.56672.75021.76492.37892.37891.35451.3545
Cl31.76492.75024.34772.56412.56413.02373.0237
Cl42.75021.76494.34773.02373.02372.56412.5641
F51.35452.37892.56413.02372.19492.77763.5402
F61.35452.37892.56413.02372.19493.54022.7776
F72.37891.35453.02372.56412.77763.54022.1949
F82.37891.35453.02372.56413.54022.77762.1949

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 111.139 C1 C2 F7 108.830
C1 C2 F8 108.830 C2 C1 Cl3 111.139
C2 C1 F5 108.830 C2 C1 F6 108.830
Cl3 C1 F5 109.872 Cl3 C1 F6 109.872
Cl4 C2 F7 109.872 Cl4 C2 F8 109.872
F5 C1 F6 108.237 F7 C2 F8 108.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability