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

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-25.205419
Energy at 298.15K-25.204192
HF Energy-25.119218
Nuclear repulsion energy2.143633
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 QCISD/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 2393 2253 351.42      

Unscaled Zero Point Vibrational Energy (zpe) 1196.4 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 1126.3 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 QCISD/6-31G**
B
11.98425

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 -1.029

Atom - Atom Distances (Å)
  B1 H2
B11.2343
H21.2343

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 QCISD/6-31G**
 hartrees
Energy at 0K-25.160691
Energy at 298.15K-25.159465
HF Energy-25.108157
Nuclear repulsion energy2.228972
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 QCISD/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 2711 2552 7.43      

Unscaled Zero Point Vibrational Energy (zpe) 1355.3 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 1275.9 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 QCISD/6-31G**
B
12.95744

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 -0.989

Atom - Atom Distances (Å)
  B1 H2
B11.1870
H21.1870

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability