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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-6102.555304
Energy at 298.15K-6102.561246
HF Energy-6101.662381
Nuclear repulsion energy844.526816
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 CCD/TZVP
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 781 740 112.36      
2 A1 390 370 0.15      
3 A1 249 236 0.01      
4 A1 158 149 0.01      
5 A2 179 169 0.00      
6 B1 729 691 109.71      
7 B1 237 224 0.00      
8 B2 816 773 108.51      
9 B2 272 258 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 1904.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1805.7 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 CCD/TZVP
ABC
0.04496 0.03082 0.02691

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.402
Cl2 0.000 1.453 1.426
Cl3 0.000 -1.453 1.426
Br4 1.590 0.000 -0.727
Br5 -1.590 0.000 -0.727

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77801.77801.95061.9506
Cl21.77802.90683.04613.0461
Cl31.77802.90683.04613.0461
Br41.95063.04613.04613.1807
Br51.95063.04613.04613.1807

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.663 Cl2 C1 Br4 109.480
Cl2 C1 Br5 109.480 Cl3 C1 Br4 109.480
Cl3 C1 Br5 109.480 Br4 C1 Br5 109.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability