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All results from a given calculation for BH (Boron monohydride)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

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

State 1 (1Σ)

Jump to S2C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-25.150566
Energy at 298.15K-25.149339
HF Energy-25.113554
Nuclear repulsion energy2.093349
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/SDD
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 2262 2183 565.26      

Unscaled Zero Point Vibrational Energy (zpe) 1130.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 1091.6 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/SDD
B
11.42860

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.211
H2 0.000 0.000 -1.053

Atom - Atom Distances (Å)
  B1 H2
B11.2639
H21.2639

picture of Boron monohydride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (3Π)

Jump to S1C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-25.126177
Energy at 298.15K-25.124951
HF Energy-25.104960
Nuclear repulsion energy2.201998
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/SDD
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 2649 2557 21.36      

Unscaled Zero Point Vibrational Energy (zpe) 1324.5 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 1278.6 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/SDD
B
12.64573

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.200
H2 0.000 0.000 -1.001

Atom - Atom Distances (Å)
  B1 H2
B11.2016
H21.2016

picture of Boron monohydride state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability