return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: M06-2X/aug-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 M06-2X/aug-cc-pVDZ
 hartrees
Energy at 0K-6106.798616
Energy at 298.15K-6106.804512
HF Energy-6106.798616
Nuclear repulsion energy847.855377
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 M06-2X/aug-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 734 734 125.32      
2 A1 391 391 0.11      
3 A1 244 244 0.04      
4 A1 160 160 0.03      
5 A2 177 177 0.00      
6 B1 705 705 120.71      
7 B1 235 235 0.06      
8 B2 769 769 120.61      
9 B2 272 272 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 1843.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1843.0 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 M06-2X/aug-cc-pVDZ
ABC
0.04540 0.03101 0.02711

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.397
Cl2 0.000 1.447 1.419
Cl3 0.000 -1.447 1.419
Br4 1.586 0.000 -0.723
Br5 -1.586 0.000 -0.723

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77191.77191.94151.9415
Cl21.77192.89493.03283.0328
Cl31.77192.89493.03283.0328
Br41.94153.03283.03283.1721
Br51.94153.03283.03283.1721

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.551 Cl2 C1 Br4 109.431
Cl2 C1 Br5 109.431 Cl3 C1 Br4 109.431
Cl3 C1 Br5 109.431 Br4 C1 Br5 109.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -1.550      
2 Cl 0.304      
3 Cl 0.304      
4 Br 0.471      
5 Br 0.471      


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 -0.093 0.093
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.724 0.000 0.000
y 0.000 -66.821 0.000
z 0.000 0.000 -66.365
Traceless
 xyz
x 0.869 0.000 0.000
y 0.000 -0.777 0.000
z 0.000 0.000 -0.093
Polar
3z2-r2-0.185
x2-y21.097
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.819 0.000 0.000
y 0.000 11.268 0.000
z 0.000 0.000 11.984


<r2> (average value of r2) Å2
<r2> 394.712
(<r2>)1/2 19.867