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All results from a given calculation for BeN (Beryllium mononitride)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 4Σ
2 1 yes C*V 2Π

State 1 (4Σ)

Jump to S2C1
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-69.051325
Energy at 298.15K-69.050303
HF Energy-68.970940
Nuclear repulsion energy8.803136
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/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 Σ 781 753 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 390.7 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 376.4 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/6-31G
B
1.08521

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.071
N2 0.000 0.000 0.612

Atom - Atom Distances (Å)
  Be1 N2
Be11.6831
N21.6831

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

State 2 (2Π)

Jump to S1C1
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-69.040284
Energy at 298.15K-69.039310
HF Energy-68.870459
Nuclear repulsion energy9.414752
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/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 Σ 953 918 244.78      

Unscaled Zero Point Vibrational Energy (zpe) 476.3 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 459.0 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/6-31G
B
1.24125

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.002
N2 0.000 0.000 0.572

Atom - Atom Distances (Å)
  Be1 N2
Be11.5738
N21.5738

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