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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-6107.012268
Energy at 298.15K-6107.018027
HF Energy-6107.012268
Nuclear repulsion energy840.669041
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 B3LYP/cc-pVTZ
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 698 674 145.58      
2 A1 373 361 0.14      
3 A1 237 229 0.43      
4 A1 151 146 0.04      
5 A2 172 166 0.00      
6 B1 649 627 143.68      
7 B1 226 219 0.57      
8 B2 729 705 140.51      
9 B2 260 251 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 1747.2 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 1688.8 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 B3LYP/cc-pVTZ
ABC
0.04477 0.03048 0.02659

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.407
Cl2 0.000 1.454 1.430
Cl3 0.000 -1.454 1.430
Br4 1.602 0.000 -0.730
Br5 -1.602 0.000 -0.730

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77781.77781.96481.9648
Cl21.77782.90793.05733.0573
Cl31.77782.90793.05733.0573
Br41.96483.05733.05733.2045
Br51.96483.05733.05733.2045

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 109.452
Cl2 C1 Br5 109.452 Cl3 C1 Br4 109.452
Cl3 C1 Br5 109.452 Br4 C1 Br5 109.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.063      
2 Cl -0.011      
3 Cl -0.011      
4 Br 0.042      
5 Br 0.042      


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 -0.069 0.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.479 0.000 0.000
y 0.000 -66.584 0.000
z 0.000 0.000 -66.060
Traceless
 xyz
x 0.843 0.000 0.000
y 0.000 -0.814 0.000
z 0.000 0.000 -0.028
Polar
3z2-r2-0.056
x2-y21.105
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.834 0.000 0.000
y 0.000 10.022 0.000
z 0.000 0.000 10.815


<r2> (average value of r2) Å2
<r2> 400.663
(<r2>)1/2 20.017