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

using model chemistry: MP2/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 MP2/cc-pVTZ
 hartrees
Energy at 0K-1194.871169
Energy at 298.15K-1194.871761
HF Energy-1193.689786
Nuclear repulsion energy351.285961
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/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 1762 1673 0.00      
2 Ag 1225 1163 0.00      
3 Ag 647 615 0.00      
4 Ag 435 413 0.00      
5 Ag 292 278 0.00      
6 Au 373 354 0.50      
7 Au 137 130 0.26      
8 Bg 548 521 0.00      
9 Bu 1259 1195 282.53      
10 Bu 909 863 170.79      
11 Bu 432 410 3.05      
12 Bu 178 169 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 4097.5 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 3890.6 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/cc-pVTZ
ABC
0.14288 0.05074 0.03744

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.063 0.665 0.000
C2 0.063 -0.665 0.000
F3 -1.257 1.240 0.000
F4 1.257 -1.240 0.000
Cl5 1.257 1.735 0.000
Cl6 -1.257 -1.735 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33631.32522.31811.69942.6804
C21.33632.31811.32522.68041.6994
F31.32522.31813.53182.56272.9747
F42.31811.32523.53182.97472.5627
Cl51.69942.68042.56272.97474.2848
Cl62.68041.69942.97472.56274.2848

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 121.146 C1 C2 Cl6 123.570
C2 C1 F3 121.146 C2 C1 Cl5 123.570
F3 C1 Cl5 115.284 F4 C2 Cl6 115.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability