return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BN (boron nitride)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Π
2 1 yes C*V 1Σ

State 1 (3Π)

Jump to S2C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-79.168724
Energy at 298.15K-79.167533
HF Energy-78.989435
Nuclear repulsion energy14.065154
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 MP2/6-31G*
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 1806 1703 294.94      

Unscaled Zero Point Vibrational Energy (zpe) 902.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 851.3 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 MP2/6-31G*
B
1.57732

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.770
N2 0.000 0.000 0.550

Atom - Atom Distances (Å)
  B1 N2
B11.3198
N21.3198

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

State 2 (1Σ)

Jump to S1C1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-79.181903
Energy at 298.15K-79.180714
HF Energy-78.873496
Nuclear repulsion energy13.961686
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 MP2/6-31G*
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 2096 1976 973.23      

Unscaled Zero Point Vibrational Energy (zpe) 1047.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 988.1 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 MP2/6-31G*
B
1.55420

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.782
N2 0.000 0.000 0.558

Atom - Atom Distances (Å)
  B1 N2
B11.3402
N21.3402

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