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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-1194.407660
Energy at 298.15K-1194.408230
HF Energy-1193.516353
Nuclear repulsion energy351.039626
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 MP3/6-31+G**
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 1822 1696 13.18      
2 A1 1216 1131 322.68      
3 A1 583 543 0.06      
4 A1 339 315 2.95      
5 A1 172 160 1.10      
6 A2 531 494 0.00      
7 A2 147 136 0.00      
8 B1 342 318 1.06      
9 B2 1257 1170 18.50      
10 B2 993 924 172.92      
11 B2 443 412 0.39      
12 B2 425 396 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 4134.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 3847.3 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 MP3/6-31+G**
ABC
0.10306 0.06172 0.03860

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.667 0.402
C2 0.000 -0.667 0.402
F3 0.000 1.326 1.569
F4 0.000 -1.326 1.569
Cl5 0.000 1.673 -0.973
Cl6 0.000 -1.673 -0.973

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33381.34052.30941.70302.7133
C21.33382.30941.34052.71331.7030
F31.34052.30942.65142.56533.9307
F42.30941.34052.65143.93072.5653
Cl51.70302.71332.56533.93073.3453
Cl62.71331.70303.93072.56533.3453

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 119.437 C1 C2 Cl6 126.198
C2 C1 F3 119.437 C2 C1 Cl5 126.198
F3 C1 Cl5 114.365 F4 C2 Cl6 114.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability