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

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.641354
Energy at 298.15K-1194.641777
HF Energy-1193.585740
Nuclear repulsion energy348.151320
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 QCISD(T)=FULL/aug-cc-pVDZ
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 1748 1696        
2 A1 1155 1121        
3 A1 558 542        
4 A1 327 317        
5 A1 161 157        
6 A2 478 464        
7 A2 144 139        
8 B1 322 313        
9 B2 1179 1143        
10 B2 952 924        
11 B2 424 411        
12 B2 406 394        

Unscaled Zero Point Vibrational Energy (zpe) 3926.9 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 3809.5 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.10093 0.06099 0.03802

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.675 0.411
C2 0.000 -0.675 0.411
F3 0.000 1.342 1.584
F4 0.000 -1.342 1.584
Cl5 0.000 1.678 -0.984
Cl6 0.000 -1.678 -0.984

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.35011.34972.33371.71782.7355
C21.35012.33371.34972.73551.7178
F31.34972.33372.68472.58943.9644
F42.33371.34972.68473.96442.5894
Cl51.71782.73552.58943.96443.3568
Cl62.73551.71783.96442.58943.3568

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 119.630 C1 C2 Cl6 125.739
C2 C1 F3 119.630 C2 C1 Cl5 125.739
F3 C1 Cl5 114.630 F4 C2 Cl6 114.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability