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All results from a given calculation for Br2 (Bromine diatomic)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-5140.007696
Energy at 298.15K 
HF Energy-5139.764148
Nuclear repulsion energy278.787153
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 CCD/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 Σg 330 312 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 165.0 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 156.2 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 CCD/6-31G*
B
0.07902

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.163
Br2 0.000 0.000 -1.163

Atom - Atom Distances (Å)
  Br1 Br2
Br12.3252
Br22.3252

picture of Bromine diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability