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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-69.135423
Energy at 298.15K-69.134435
HF Energy-68.999386
Nuclear repulsion energy9.075092
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/TZVP
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 884 844 20.60      

Unscaled Zero Point Vibrational Energy (zpe) 441.9 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 422.2 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/TZVP
B
1.15330

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.039
N2 0.000 0.000 0.594

Atom - Atom Distances (Å)
  Be1 N2
Be11.6327
N21.6327

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/TZVP
 hartrees
Energy at 0K-69.116854
Energy at 298.15K-69.115888
HF Energy-68.903313
Nuclear repulsion energy9.660985
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/TZVP
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 984 940 81.43      

Unscaled Zero Point Vibrational Energy (zpe) 491.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 469.9 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/TZVP
B
1.30702

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.976
N2 0.000 0.000 0.558

Atom - Atom Distances (Å)
  Be1 N2
Be11.5337
N21.5337

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