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All results from a given calculation for CBr2Cl2 (dibromodichloromethane)

using model chemistry: TPSSh/6-31G*

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/6-31G*
 hartrees
Energy at 0K-6101.630279
Energy at 298.15K-6101.636027
HF Energy-6101.630279
Nuclear repulsion energy843.366586
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/6-31G*
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 700 671 171.65      
2 A1 377 362 0.39      
3 A1 239 229 0.27      
4 A1 155 148 0.01      
5 A2 174 167 0.00      
6 B1 650 624 163.31      
7 B1 228 218 0.35      
8 B2 740 710 172.81      
9 B2 261 250 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 1761.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1689.7 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/6-31G*
ABC
0.04466 0.03079 0.02690

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.414
Cl2 0.000 1.460 1.429
Cl3 0.000 -1.460 1.429
Br4 1.589 0.000 -0.729
Br5 -1.589 0.000 -0.729

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.77811.77811.95731.9573
Cl21.77812.92083.05173.0517
Cl31.77812.92083.05173.0517
Br41.95733.05173.05173.1770
Br51.95733.05173.05173.1770

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 110.435 Cl2 C1 Br4 109.469
Cl2 C1 Br5 109.469 Cl3 C1 Br4 109.469
Cl3 C1 Br5 109.469 Br4 C1 Br5 108.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.292      
2 Cl 0.111      
3 Cl 0.111      
4 Br 0.035      
5 Br 0.035      


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 -0.186 0.186
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 10.320 0.000 0.000
y 0.000 8.960 0.000
z 0.000 0.000 9.555


<r2> (average value of r2) Å2
<r2> 397.605
(<r2>)1/2 19.940