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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-12.416331
Energy at 298.15K-12.415140
HF Energy-12.234315
Nuclear repulsion energy6.006104
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/CEP-121G*
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 1753 1670 337.01      

Unscaled Zero Point Vibrational Energy (zpe) 876.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 835.2 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 MP2/CEP-121G*
B
1.56592

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.771
N2 0.000 0.000 0.551

Atom - Atom Distances (Å)
  B1 N2
B11.3216
N21.3216

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/CEP-121G*
 hartrees
Energy at 0K-12.429187
Energy at 298.15K-12.427998
HF Energy-12.119170
Nuclear repulsion energy5.979345
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/CEP-121G*
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 2046 1950 1042.09      

Unscaled Zero Point Vibrational Energy (zpe) 1023.0 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 974.8 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/CEP-121G*
B
1.55200

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.774
N2 0.000 0.000 0.553

Atom - Atom Distances (Å)
  B1 N2
B11.3275
N21.3275

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