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

using model chemistry: MP2=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-1194.398016
Energy at 298.15K-1194.398593
HF Energy-1193.505226
Nuclear repulsion energy350.158101
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1792 1674 0.00      
2 Ag 1249 1167 0.00      
3 Ag 649 606 0.00      
4 Ag 437 408 0.00      
5 Ag 297 277 0.00      
6 Au 371 347 1.72      
7 Au 138 129 0.18      
8 Bg 533 498 0.00      
9 Bu 1267 1184 273.52      
10 Bu 922 861 171.91      
11 Bu 435 406 3.31      
12 Bu 180 169 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 4134.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3863.6 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=FULL/6-31G**
ABC
0.14150 0.05054 0.03724

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.058 0.666 0.000
C2 0.058 -0.666 0.000
F3 -1.263 1.246 0.000
F4 1.263 -1.246 0.000
Cl5 1.263 1.736 0.000
Cl6 -1.263 -1.736 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33691.33772.32431.70012.6871
C21.33692.32431.33772.68711.7001
F31.33772.32433.54912.57342.9821
F42.32431.33773.54912.98212.5734
Cl51.70012.68712.57342.98214.2935
Cl62.68711.70012.98212.57344.2935

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 120.695 C1 C2 Cl6 124.018
C2 C1 F3 120.695 C2 C1 Cl5 124.018
F3 C1 Cl5 115.287 F4 C2 Cl6 115.287
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability