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

using model chemistry: QCISD/aug-cc-pVDZ

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 QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-5145.057279
Energy at 298.15K 
HF Energy-5144.760361
Nuclear repulsion energy277.032449
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 QCISD/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 Σg 305 295 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 152.4 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 147.7 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 QCISD/aug-cc-pVDZ
B
0.07803

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 0.000 0.000 1.170
Br2 0.000 0.000 -1.170

Atom - Atom Distances (Å)
  Br1 Br2
Br12.3400
Br22.3400

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