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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

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-6102.869383
Energy at 298.15K-6102.875340
HF Energy-6101.797886
Nuclear repulsion energy850.376055
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 781 752 96.53      
2 A1 393 378 0.02      
3 A1 250 241 0.01      
4 A1 159 153 0.02      
5 A2 179 173 0.00      
6 B1 741 713 92.84      
7 B1 239 230 0.00      
8 B2 808 778 95.24      
9 B2 270 260 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 1910.1 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 1838.3 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
0.04561 0.03122 0.02728

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 0.000 0.393
Cl2 0.000 1.443 1.416
Cl3 0.000 -1.443 1.416
Br4 1.580 0.000 -0.722
Br5 -1.580 0.000 -0.722

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.76951.76951.93361.9336
Cl21.76952.88703.02503.0250
Cl31.76952.88703.02503.0250
Br41.93363.02503.02503.1605
Br51.93363.02503.02503.1605

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.330 Cl2 C1 Br4 109.469
Cl2 C1 Br5 109.469 Cl3 C1 Br4 109.469
Cl3 C1 Br5 109.469 Br4 C1 Br5 109.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability