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All results from a given calculation for B2 (Boron diatomic)

using model chemistry: QCISD(TQ)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
2 1 yes D*H 1Σg

State 1 (3Σg)

Jump to S2C1
Vibrational Frequencies calculated at QCISD(TQ)/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σg)

Jump to S1C1
Energy calculated at QCISD(TQ)/aug-cc-pVDZ
 hartrees
Energy at 0K-49.250788
Energy at 298.15K-49.248347
HF Energy-49.039421
Nuclear repulsion energy7.951627
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(TQ)/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 922 922        

Unscaled Zero Point Vibrational Energy (zpe) 461.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 461.2 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 QCISD(TQ)/aug-cc-pVDZ
B
1.10701

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.832
B2 0.000 0.000 -0.832

Atom - Atom Distances (Å)
  B1 B2
B11.6633
B21.6633

picture of Boron diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability