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

using model chemistry: MP2/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/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.903529
Energy at 298.15K-1194.904105
HF Energy-1193.692942
Nuclear repulsion energy353.134006
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/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 1747 1665 20.62      
2 A1 1193 1137 311.29      
3 A1 580 553 0.14      
4 A1 330 315 2.22      
5 A1 168 160 0.99      
6 A2 551 525 0.00      
7 A2 149 142 0.00      
8 B1 342 326 0.29      
9 B2 1223 1165 23.12      
10 B2 979 933 151.90      
11 B2 437 416 0.50      
12 B2 421 401 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 4060.2 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 3869.0 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/aug-cc-pVTZ
ABC
0.10292 0.06333 0.03920

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.414
C2 0.000 -0.669 0.414
F3 0.000 1.333 1.566
F4 0.000 -1.333 1.566
Cl5 0.000 1.639 -0.975
Cl6 0.000 -1.639 -0.975

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33771.32962.30981.69482.6940
C21.33772.30981.32962.69401.6948
F31.32962.30982.66682.55953.9107
F42.30981.32962.66683.91072.5595
Cl51.69482.69402.55953.91073.2783
Cl62.69401.69483.91072.55953.2783

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 119.988 C1 C2 Cl6 124.926
C2 C1 F3 119.988 C2 C1 Cl5 124.926
F3 C1 Cl5 115.086 F4 C2 Cl6 115.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability