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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: MP4/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-1194.525858
Energy at 298.15K-1194.526371
HF Energy-1193.562678
Nuclear repulsion energy347.150993
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 MP4/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 Ag 1756 1698        
2 Ag 1214 1173        
3 Ag 631 610        
4 Ag 425 411        
5 Ag 288 279        
6 Au 368 356        
7 Au 134 130        
8 Bg 524 506        
9 Bu 1236 1195        
10 Bu 884 855        
11 Bu 422 408        
12 Bu 174 168        

Unscaled Zero Point Vibrational Energy (zpe) 4027.8 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 3894.4 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 MP4/cc-pVDZ
ABC
0.13969 0.04952 0.03656

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 0.672 0.000
C2 0.067 -0.672 0.000
F3 -1.272 1.254 0.000
F4 1.272 -1.254 0.000
Cl5 1.272 1.757 0.000
Cl6 -1.272 -1.757 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.35091.33742.34561.72352.7112
C21.35092.34561.33742.71121.7235
F31.33742.34563.57162.59283.0107
F42.34561.33743.57163.01072.5928
Cl51.72352.71122.59283.01074.3379
Cl62.71121.72353.01072.59284.3379

picture of trans-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 121.504 C1 C2 Cl6 123.289
C2 C1 F3 121.504 C2 C1 Cl5 123.289
F3 C1 Cl5 115.207 F4 C2 Cl6 115.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability