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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: TPSSh/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 TPSSh/TZVP
 hartrees
Energy at 0K-6106.664791
Energy at 298.15K-6106.670507
HF Energy-6106.664791
Nuclear repulsion energy840.391310
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 TPSSh/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 688 663 177.16      
2 A1 370 357 0.30      
3 A1 234 225 0.38      
4 A1 147 142 0.03      
5 A2 168 162 0.00      
6 B1 644 620 174.00      
7 B1 223 215 0.51      
8 B2 722 696 171.96      
9 B2 256 247 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 1726.0 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 1663.4 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 TPSSh/TZVP
ABC
0.04454 0.03052 0.02664

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.406
Cl2 0.000 1.460 1.433
Cl3 0.000 -1.460 1.433
Br4 1.599 0.000 -0.731
Br5 -1.599 0.000 -0.731

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.78491.78491.96161.9616
Cl21.78492.92013.06083.0608
Cl31.78492.92013.06083.0608
Br41.96163.06083.06083.1971
Br51.96163.06083.06083.1971

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.773 Cl2 C1 Br4 109.474
Cl2 C1 Br5 109.474 Cl3 C1 Br4 109.474
Cl3 C1 Br5 109.474 Br4 C1 Br5 109.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 Cl 0.015      
3 Cl 0.015      
4 Br 0.013      
5 Br 0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.162 0.162
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.154 0.000 0.000
y 0.000 9.163 0.000
z 0.000 0.000 10.063


<r2> (average value of r2) Å2
<r2> 400.648
(<r2>)1/2 20.016