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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1394.021635
Energy at 298.15K-1394.023849
HF Energy-1392.469353
Nuclear repulsion energy616.706057
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 1353 1278 0.00      
2 Ag 1093 1033 0.00      
3 Ag 722 682 0.00      
4 Ag 454 429 0.00      
5 Ag 368 347 0.00      
6 Ag 260 246 0.00      
7 Au 1277 1206 314.11      
8 Au 381 360 0.68      
9 Au 220 208 1.31      
10 Au 74 70 0.07      
11 Bg 1255 1185 0.00      
12 Bg 554 523 0.00      
13 Bg 327 309 0.00      
14 Bu 1196 1130 329.83      
15 Bu 866 818 367.54      
16 Bu 619 585 11.84      
17 Bu 445 420 1.04      
18 Bu 170 160 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 5816.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 5493.7 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 MP2/6-31G(2df,p)
ABC
0.07450 0.03931 0.03533

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.235 0.735 0.000
C2 0.235 -0.735 0.000
Cl3 -1.994 0.793 0.000
Cl4 1.994 -0.793 0.000
F5 0.235 1.341 1.082
F6 0.235 1.341 -1.082
F7 -0.235 -1.341 1.082
F8 -0.235 -1.341 -1.082

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.54271.75942.70221.32661.32662.34102.3410
C21.54272.70221.75942.34102.34101.32661.3266
Cl31.75942.70224.29122.53722.53722.96992.9699
Cl42.70221.75944.29122.96992.96992.53722.5372
F51.32662.34102.53722.96992.16402.72363.4786
F61.32662.34102.53722.96992.16403.47862.7236
F72.34101.32662.96992.53722.72363.47862.1640
F82.34101.32662.96992.53723.47862.72362.1640

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 109.661 C1 C2 F7 109.121
C1 C2 F8 109.121 C2 C1 Cl3 109.661
C2 C1 F5 109.121 C2 C1 F6 109.121
Cl3 C1 F5 109.812 Cl3 C1 F6 109.812
Cl4 C2 F7 109.812 Cl4 C2 F8 109.812
F5 C1 F6 109.295 F7 C2 F8 109.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability