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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: PBE1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-6101.199118
Energy at 298.15K-6101.205051
HF Energy-6101.199118
Nuclear repulsion energy857.360428
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 PBE1PBE/6-31G(2df,p)
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 763 731 128.27      
2 A1 397 380 0.01      
3 A1 251 241 0.02      
4 A1 161 154 0.02      
5 A2 178 170 0.00      
6 B1 737 705 119.62      
7 B1 240 229 0.00      
8 B2 777 744 130.31      
9 B2 272 260 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 1887.6 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 1806.4 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 PBE1PBE/6-31G(2df,p)
ABC
0.04603 0.03182 0.02784

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.385
Cl2 0.000 1.441 1.408
Cl3 0.000 -1.441 1.408
Br4 1.561 0.000 -0.717
Br5 -1.561 0.000 -0.717

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.76681.76681.91071.9107
Cl21.76682.88173.00433.0043
Cl31.76682.88173.00433.0043
Br41.91073.00433.00433.1217
Br51.91073.00433.00433.1217

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.281 Cl2 C1 Br4 109.499
Cl2 C1 Br5 109.499 Cl3 C1 Br4 109.499
Cl3 C1 Br5 109.499 Br4 C1 Br5 109.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 Cl -0.001      
3 Cl -0.001      
4 Br 0.143      
5 Br 0.143      


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 -0.264 0.264
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.242 0.000 0.000
y 0.000 -65.722 0.000
z 0.000 0.000 -65.163
Traceless
 xyz
x 1.201 0.000 0.000
y 0.000 -1.020 0.000
z 0.000 0.000 -0.181
Polar
3z2-r2-0.362
x2-y21.481
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.408 0.000 0.000
y 0.000 10.154 0.000
z 0.000 0.000 10.720


<r2> (average value of r2) Å2
<r2> 385.981
(<r2>)1/2 19.646