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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-6106.793713
Energy at 298.15K-6106.799450
HF Energy-6106.793713
Nuclear repulsion energy844.122555
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 TPSSh/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 698 676 154.51      
2 A1 374 362 0.31      
3 A1 235 227 0.33      
4 A1 147 143 0.02      
5 A2 168 163 0.00      
6 B1 650 629 151.79      
7 B1 224 217 0.43      
8 B2 733 710 149.61      
9 B2 255 247 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 1741.7 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 1686.5 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 TPSSh/cc-pVTZ
ABC
0.04505 0.03076 0.02684

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.406
Cl2 0.000 1.450 1.425
Cl3 0.000 -1.450 1.425
Br4 1.594 0.000 -0.727
Br5 -1.594 0.000 -0.727

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77281.77281.95551.9555
Cl21.77282.90053.04583.0458
Cl31.77282.90053.04583.0458
Br41.95553.04583.04583.1879
Br51.95553.04583.04583.1879

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.784 Cl2 C1 Br4 109.461
Cl2 C1 Br5 109.461 Cl3 C1 Br4 109.461
Cl3 C1 Br5 109.461 Br4 C1 Br5 109.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 Cl -0.010      
3 Cl -0.010      
4 Br 0.043      
5 Br 0.043      


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 -0.052 0.052
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.818 0.000 0.000
y 0.000 10.036 0.000
z 0.000 0.000 10.821


<r2> (average value of r2) Å2
<r2> 397.391
(<r2>)1/2 19.935