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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-6107.145714
Energy at 298.15K-6107.151589
HF Energy-6107.145714
Nuclear repulsion energy846.681624
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 mPW1PW91/6-311G*
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 737 703 169.80      
2 A1 391 373 0.08      
3 A1 249 238 0.42      
4 A1 157 149 0.01      
5 A2 180 172 0.00      
6 B1 688 657 156.54      
7 B1 236 225 0.47      
8 B2 769 734 173.94      
9 B2 271 259 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 1838.1 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 1754.3 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 mPW1PW91/6-311G*
ABC
0.04531 0.03095 0.02701

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.404
Cl2 0.000 1.446 1.421
Cl3 0.000 -1.446 1.421
Br4 1.589 0.000 -0.725
Br5 -1.589 0.000 -0.725

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.76811.76811.94911.9491
Cl21.76812.89273.03673.0367
Cl31.76812.89273.03673.0367
Br41.94913.03673.03673.1777
Br51.94913.03673.03673.1777

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 109.461
Cl2 C1 Br5 109.461 Cl3 C1 Br4 109.461
Cl3 C1 Br5 109.461 Br4 C1 Br5 109.207
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.491      
2 Cl 0.107      
3 Cl 0.107      
4 Br 0.139      
5 Br 0.139      


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 -0.231 0.231
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.355 0.000 0.000
y 0.000 -67.019 0.000
z 0.000 0.000 -66.398
Traceless
 xyz
x 1.353 0.000 0.000
y 0.000 -1.142 0.000
z 0.000 0.000 -0.211
Polar
3z2-r2-0.421
x2-y21.663
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.081 0.000 0.000
y 0.000 8.617 0.000
z 0.000 0.000 9.273


<r2> (average value of r2) Å2
<r2> 395.650
(<r2>)1/2 19.891