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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-6107.216136
Energy at 298.15K-6107.221996
HF Energy-6107.216136
Nuclear repulsion energy846.326574
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/TZVP
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 736 703 161.11      
2 A1 387 369 0.20      
3 A1 245 233 0.18      
4 A1 154 147 0.03      
5 A2 175 167 0.00      
6 B1 689 657 157.82      
7 B1 233 222 0.19      
8 B2 769 733 156.45      
9 B2 267 255 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 1827.4 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 1743.3 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/TZVP
ABC
0.04518 0.03094 0.02702

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.403
Cl2 0.000 1.450 1.423
Cl3 0.000 -1.450 1.423
Br4 1.588 0.000 -0.726
Br5 -1.588 0.000 -0.726

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77251.77251.94771.9477
Cl21.77252.89933.03923.0392
Cl31.77252.89933.03923.0392
Br41.94773.03923.03923.1752
Br51.94773.03923.03923.1752

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.741 Cl2 C1 Br4 109.471
Cl2 C1 Br5 109.471 Cl3 C1 Br4 109.471
Cl3 C1 Br5 109.471 Br4 C1 Br5 109.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 Cl 0.027      
3 Cl 0.027      
4 Br 0.022      
5 Br 0.022      


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 -0.179 0.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -64.979 0.000 0.000
y 0.000 -66.484 0.000
z 0.000 0.000 -65.835
Traceless
 xyz
x 1.181 0.000 0.000
y 0.000 -1.077 0.000
z 0.000 0.000 -0.103
Polar
3z2-r2-0.207
x2-y21.505
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.853 0.000 0.000
y 0.000 8.965 0.000
z 0.000 0.000 9.818


<r2> (average value of r2) Å2
<r2> 395.592
(<r2>)1/2 19.889