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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-1194.576940
Energy at 298.15K-1194.577538
HF Energy-1193.625127
Nuclear repulsion energy350.681887
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 MP2/6-311G*
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 1768 1680 0.00      
2 Ag 1230 1168 0.00      
3 Ag 649 617 0.00      
4 Ag 438 416 0.00      
5 Ag 298 283 0.00      
6 Au 373 354 0.83      
7 Au 137 130 0.34      
8 Bg 548 521 0.00      
9 Bu 1255 1192 311.27      
10 Bu 916 871 185.11      
11 Bu 438 416 3.43      
12 Bu 183 173 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 4115.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 3911.1 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 MP2/6-311G*
ABC
0.14217 0.05061 0.03733

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.666 0.000
C2 0.064 -0.666 0.000
F3 -1.260 1.244 0.000
F4 1.260 -1.244 0.000
Cl5 1.260 1.736 0.000
Cl6 -1.260 -1.736 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33911.32812.32401.70162.6839
C21.33912.32401.32812.68391.7016
F31.32812.32403.54072.56712.9800
F42.32401.32813.54072.98002.5671
Cl51.70162.68392.56712.98004.2901
Cl62.68391.70162.98002.56714.2901

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 121.223 C1 C2 Cl6 123.492
C2 C1 F3 121.223 C2 C1 Cl5 123.492
F3 C1 Cl5 115.285 F4 C2 Cl6 115.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability