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

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-1194.642323
Energy at 298.15K-1194.642856
HF Energy-1193.624026
Nuclear repulsion energy348.867039
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 MP4/6-311G**
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 1743 1690        
2 Ag 1208 1171        
3 Ag 635 616        
4 Ag 428 415        
5 Ag 293 284        
6 Au 363 352        
7 Au 134 130        
8 Bg 523 507        
9 Bu 1232 1194        
10 Bu 894 867        
11 Bu 429 416        
12 Bu 179 173        

Unscaled Zero Point Vibrational Energy (zpe) 4029.2 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 3907.1 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 MP4/6-311G**
ABC
0.14114 0.05000 0.03692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.669 0.000
C2 0.064 -0.669 0.000
F3 -1.265 1.248 0.000
F4 1.265 -1.248 0.000
Cl5 1.265 1.749 0.000
Cl6 -1.265 -1.749 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34371.33372.33251.71232.6994
C21.34372.33251.33372.69941.7123
F31.33372.33253.55432.57942.9965
F42.33251.33373.55432.99652.5794
Cl51.71232.69942.57942.99654.3165
Cl62.69941.71232.99652.57944.3165

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 121.190 C1 C2 Cl6 123.641
C2 C1 F3 121.190 C2 C1 Cl5 123.641
F3 C1 Cl5 115.169 F4 C2 Cl6 115.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability