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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: MP4/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP4/cc-pVTZ
 hartrees
Energy at 0K-1194.959138
Energy at 298.15K-1194.959657
HF Energy-1193.688913
Nuclear repulsion energy349.581002
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 MP4/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 Ag 1741 1688        
2 Ag 1204 1167        
3 Ag 634 615        
4 Ag 426 413        
5 Ag 287 279        
6 Au 364 353        
7 Au 133 129        
8 Bg 525 509        
9 Bu 1236 1198        
10 Bu 887 860        
11 Bu 424 411        
12 Bu 174 169        

Unscaled Zero Point Vibrational Energy (zpe) 4018.7 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 3894.9 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 MP4/cc-pVTZ
ABC
0.14195 0.05015 0.03706

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.667 0.000
C2 0.064 -0.667 0.000
F3 -1.262 1.244 0.000
F4 1.262 -1.244 0.000
Cl5 1.262 1.747 0.000
Cl6 -1.262 -1.747 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33941.33042.32551.70992.6946
C21.33942.32551.33042.69461.7099
F31.33042.32553.54432.57392.9906
F42.32551.33043.54432.99062.5739
Cl51.70992.69462.57392.99064.3099
Cl62.69461.70992.99062.57394.3099

picture of trans-1,2-dichloro-1,2-difluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 121.161 C1 C2 Cl6 123.722
C2 C1 F3 121.161 C2 C1 Cl5 123.722
F3 C1 Cl5 115.117 F4 C2 Cl6 115.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability