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

using model chemistry: QCISD/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 QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.932818
Energy at 298.15K-1194.933424
HF Energy-1193.693732
Nuclear repulsion energy352.670075
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/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 1801 1733 18.96      
2 A1 1208 1162 297.06      
3 A1 577 555 0.15      
4 A1 334 322 2.47      
5 A1 169 163 1.01      
6 A2 568 546 0.00      
7 A2 151 145 0.00      
8 B1 348 335 0.63      
9 B2 1244 1198 27.20      
10 B2 985 948 153.36      
11 B2 439 422 0.42      
12 B2 421 406 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 4122.0 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 3967.0 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 QCISD/aug-cc-pVTZ
ABC
0.10319 0.06280 0.03904

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.415
C2 0.000 -0.665 0.415
F3 0.000 1.329 1.564
F4 0.000 -1.329 1.564
Cl5 0.000 1.651 -0.974
Cl6 0.000 -1.651 -0.974

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32991.32712.30131.70342.7007
C21.32992.30131.32712.70071.7034
F31.32712.30132.65822.55813.9144
F42.30131.32712.65823.91442.5581
Cl51.70342.70072.55813.91443.3026
Cl62.70071.70343.91442.55813.3026

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 120.030 C1 C2 Cl6 125.386
C2 C1 F3 120.030 C2 C1 Cl5 125.386
F3 C1 Cl5 114.585 F4 C2 Cl6 114.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability