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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: MP3/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 MP3/TZVP
 hartrees
Energy at 0K-6102.551130
Energy at 298.15K-6102.557075
HF Energy-6101.662399
Nuclear repulsion energy844.764443
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 MP3/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 779 729 119.09      
2 A1 392 366 0.16      
3 A1 250 234 0.02      
4 A1 158 148 0.01      
5 A2 179 167 0.00      
6 B1 728 681 115.60      
7 B1 237 222 0.01      
8 B2 814 761 115.41      
9 B2 273 255 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1904.7 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 1781.2 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 MP3/TZVP
ABC
0.04499 0.03084 0.02692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/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
C11.77691.77691.95041.9504
Cl21.77692.90533.04523.0452
Cl31.77692.90533.04523.0452
Br41.95043.04523.04523.1803
Br51.95043.04523.04523.1803

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.671 Cl2 C1 Br4 109.481
Cl2 C1 Br5 109.481 Cl3 C1 Br4 109.481
Cl3 C1 Br5 109.481 Br4 C1 Br5 109.232
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability