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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-25.192987
Energy at 298.15K-25.191760
HF Energy-25.129522
Nuclear repulsion energy2.159008
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/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 2461 2333 394.34      

Unscaled Zero Point Vibrational Energy (zpe) 1230.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 1166.6 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/TZVP
B
12.15678

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.204
H2 0.000 0.000 -1.021

Atom - Atom Distances (Å)
  B1 H2
B11.2255
H21.2255

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

State 2 (3Π)

Jump to S1C1
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-25.158831
Energy at 298.15K-25.157605
HF Energy-25.116178
Nuclear repulsion energy2.234056
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/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 2739 2596 5.38      

Unscaled Zero Point Vibrational Energy (zpe) 1369.6 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 1298.2 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/TZVP
B
13.01661

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.197
H2 0.000 0.000 -0.987

Atom - Atom Distances (Å)
  B1 H2
B11.1843
H21.1843

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