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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: mPW1PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-6107.153977
Energy at 298.15K-6107.159860
HF Energy-6107.153977
Nuclear repulsion energy845.968249
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/cc-pVDZ
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 743 712 163.96      
2 A1 390 373 0.24      
3 A1 247 236 0.23      
4 A1 157 150 0.02      
5 A2 178 171 0.00      
6 B1 691 663 160.09      
7 B1 235 225 0.28      
8 B2 779 747 160.18      
9 B2 268 257 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 1843.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 1766.6 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/cc-pVDZ
ABC
0.04522 0.03089 0.02697

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.403
Cl2 0.000 1.449 1.422
Cl3 0.000 -1.449 1.422
Br4 1.590 0.000 -0.725
Br5 -1.590 0.000 -0.725

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77151.77151.94941.9494
Cl21.77152.89763.03943.0394
Cl31.77152.89763.03943.0394
Br41.94943.03943.03943.1797
Br51.94943.03943.03943.1797

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.742 Cl2 C1 Br4 109.451
Cl2 C1 Br5 109.451 Cl3 C1 Br4 109.451
Cl3 C1 Br5 109.451 Br4 C1 Br5 109.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.383      
2 Cl 0.081      
3 Cl 0.081      
4 Br 0.111      
5 Br 0.111      


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 -0.157 0.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.400 0.000 0.000
y 0.000 -65.908 0.000
z 0.000 0.000 -65.279
Traceless
 xyz
x 1.193 0.000 0.000
y 0.000 -1.068 0.000
z 0.000 0.000 -0.125
Polar
3z2-r2-0.249
x2-y21.507
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.814 0.000 0.000
y 0.000 8.246 0.000
z 0.000 0.000 8.945


<r2> (average value of r2) Å2
<r2> 395.580
(<r2>)1/2 19.889