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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-1195.683321
Energy at 298.15K-1195.683837
HF Energy-1195.389539
Nuclear repulsion energy350.785337
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 B2PLYP=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 1782 1690 13.04      
2 A1 1200 1138 312.83      
3 A1 570 541 1.31      
4 A1 332 315 2.57      
5 A1 169 160 1.29      
6 A2 525 498 0.00      
7 A2 149 141 0.00      
8 B1 347 329 0.98      
9 B2 1246 1182 22.18      
10 B2 970 920 175.94      
11 B2 436 414 0.08      
12 B2 418 396 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 4072.1 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 3862.0 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 B2PLYP=FULL/6-31G*
ABC
0.10239 0.06189 0.03857

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.410
C2 0.000 -0.668 0.410
F3 0.000 1.324 1.572
F4 0.000 -1.324 1.572
Cl5 0.000 1.670 -0.977
Cl6 0.000 -1.670 -0.977

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33561.33492.30631.71072.7180
C21.33562.30631.33492.71801.7107
F31.33492.30632.64832.57223.9321
F42.30631.33492.64833.93212.5722
Cl51.71072.71802.57223.93213.3400
Cl62.71801.71073.93212.57223.3400

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 119.452 C1 C2 Cl6 125.861
C2 C1 F3 119.452 C2 C1 Cl5 125.861
F3 C1 Cl5 114.687 F4 C2 Cl6 114.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability