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

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-1194.395233
Energy at 298.15K-1194.395796
HF Energy-1193.502257
Nuclear repulsion energy351.398190
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/6-31G**
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 1784 1667 11.51      
2 A1 1217 1138 301.18      
3 A1 582 543 0.56      
4 A1 335 313 2.51      
5 A1 171 160 1.25      
6 A2 523 488 0.00      
7 A2 151 141 0.00      
8 B1 348 325 1.09      
9 B2 1258 1176 14.17      
10 B2 987 922 168.82      
11 B2 443 414 0.20      
12 B2 425 397 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 4110.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3841.2 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/6-31G**
ABC
0.10268 0.06217 0.03872

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.402
C2 0.000 -0.669 0.402
F3 0.000 1.321 1.572
F4 0.000 -1.321 1.572
Cl5 0.000 1.666 -0.974
Cl6 0.000 -1.666 -0.974

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33831.34002.30901.69902.7102
C21.33832.30901.34002.71021.6990
F31.34002.30902.64232.56983.9252
F42.30901.34002.64233.92522.5698
Cl51.69902.71022.56983.92523.3316
Cl62.71021.69903.92522.56983.3316

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 119.114 C1 C2 Cl6 125.917
C2 C1 F3 119.114 C2 C1 Cl5 125.917
F3 C1 Cl5 114.969 F4 C2 Cl6 114.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability