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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-6101.845146
Energy at 298.15K-6101.850728
HF Energy-6101.845146
Nuclear repulsion energy829.006464
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 BLYP/6-31G**
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 644 639 180.91      
2 A1 355 352 0.13      
3 A1 227 225 0.82      
4 A1 148 147 0.05      
5 A2 167 166 0.00      
6 B1 597 592 173.98      
7 B1 215 214 1.20      
8 B2 674 669 180.87      
9 B2 250 248 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 1638.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 1625.9 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 BLYP/6-31G**
ABC
0.04324 0.02974 0.02596

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.423
Cl2 0.000 1.483 1.453
Cl3 0.000 -1.483 1.453
Br4 1.618 0.000 -0.742
Br5 -1.618 0.000 -0.742

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.80501.80501.99371.9937
Cl21.80502.96503.10353.1035
Cl31.80502.96503.10353.1035
Br41.99373.10353.10353.2359
Br51.99373.10353.10353.2359

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 110.437 Cl2 C1 Br4 109.470
Cl2 C1 Br5 109.470 Cl3 C1 Br4 109.470
Cl3 C1 Br5 109.470 Br4 C1 Br5 108.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.223      
2 Cl 0.088      
3 Cl 0.088      
4 Br 0.023      
5 Br 0.023      


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 -0.187 0.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.558 0.000 0.000
y 0.000 -66.243 0.000
z 0.000 0.000 -65.492
Traceless
 xyz
x 1.309 0.000 0.000
y 0.000 -1.218 0.000
z 0.000 0.000 -0.091
Polar
3z2-r2-0.182
x2-y21.685
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.766 0.000 0.000
y 0.000 9.283 0.000
z 0.000 0.000 9.933


<r2> (average value of r2) Å2
<r2> 410.188
(<r2>)1/2 20.253