return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for BH (Boron monohydride)

using model chemistry: B2PLYP=FULL/6-31G**

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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-25.252172
Energy at 298.15K-25.250945
HF Energy-25.229999
Nuclear repulsion energy2.141400
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 B2PLYP=FULL/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 2390 2390 368.68      

Unscaled Zero Point Vibrational Energy (zpe) 1195.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1195.1 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 B2PLYP=FULL/6-31G**
B
11.95929

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.206
H2 0.000 0.000 -1.030

Atom - Atom Distances (Å)
  B1 H2
B11.2356
H21.2356

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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-25.212481
Energy at 298.15K-25.211254
HF Energy-25.197781
Nuclear repulsion energy2.226239
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 B2PLYP=FULL/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 2692 2692 7.23      

Unscaled Zero Point Vibrational Energy (zpe) 1346.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1346.1 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 B2PLYP=FULL/6-31G**
B
12.92569

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.198
H2 0.000 0.000 -0.990

Atom - Atom Distances (Å)
  B1 H2
B11.1885
H21.1885

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