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All results from a given calculation for CFClCFCl (cis-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: MP2=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1195.041418
Energy at 298.15K-1195.042053
HF Energy-1193.693695
Nuclear repulsion energy354.649236
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/aug-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 A1 1775 1689 19.52      
2 A1 1203 1145 312.44      
3 A1 587 558 0.10      
4 A1 332 316 2.27      
5 A1 170 162 1.01      
6 A2 581 552 0.00      
7 A2 152 144 0.00      
8 B1 355 338 0.29      
9 B2 1232 1172 20.73      
10 B2 990 942 153.53      
11 B2 445 423 0.54      
12 B2 424 404 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 4121.9 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 3921.6 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/aug-cc-pVTZ
ABC
0.10364 0.06397 0.03955

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.412
C2 0.000 -0.665 0.412
F3 0.000 1.326 1.561
F4 0.000 -1.326 1.561
Cl5 0.000 1.631 -0.972
Cl6 0.000 -1.631 -0.972

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33041.32502.29851.68772.6813
C21.33042.29851.32502.68131.6877
F31.32502.29852.65152.55083.8933
F42.29851.32502.65153.89332.5508
Cl51.68772.68132.55083.89333.2627
Cl62.68131.68773.89332.55083.2627

picture of cis-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 119.903 C1 C2 Cl6 124.923
C2 C1 F3 119.903 C2 C1 Cl5 124.923
F3 C1 Cl5 115.174 F4 C2 Cl6 115.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability