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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-6102.198397
Energy at 298.15K-6102.204281
HF Energy-6102.198397
Nuclear repulsion energy848.888336
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 mPW1PW91/6-31G*
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 747 708 156.64      
2 A1 393 372 0.26      
3 A1 249 236 0.12      
4 A1 162 153 0.02      
5 A2 181 172 0.00      
6 B1 692 656 148.72      
7 B1 237 225 0.13      
8 B2 786 746 158.21      
9 B2 272 258 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 1858.9 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 1762.8 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 mPW1PW91/6-31G*
ABC
0.04527 0.03119 0.02725

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.410
Cl2 0.000 1.451 1.419
Cl3 0.000 -1.451 1.419
Br4 1.579 0.000 -0.724
Br5 -1.579 0.000 -0.724

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.76681.76681.94421.9442
Cl21.76682.90163.03153.0315
Cl31.76682.90163.03153.0315
Br41.94423.03153.03153.1573
Br51.94423.03153.03153.1573

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 110.397 Cl2 C1 Br4 109.460
Cl2 C1 Br5 109.460 Cl3 C1 Br4 109.460
Cl3 C1 Br5 109.460 Br4 C1 Br5 108.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 Cl 0.119      
3 Cl 0.119      
4 Br 0.037      
5 Br 0.037      


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 -0.196 0.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.392 0.000 0.000
y 0.000 -66.085 0.000
z 0.000 0.000 -65.344
Traceless
 xyz
x 1.323 0.000 0.000
y 0.000 -1.217 0.000
z 0.000 0.000 -0.105
Polar
3z2-r2-0.210
x2-y21.693
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.064 0.000 0.000
y 0.000 8.765 0.000
z 0.000 0.000 9.329


<r2> (average value of r2) Å2
<r2> 392.963
(<r2>)1/2 19.823