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

using model chemistry: CBS-Q

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 CBS-Q
 hartrees
Energy at 0K-25.231887
Energy at 298.15K-25.228582
HF Energy-25.118931
Nuclear repulsion energy2.144992
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 CBS-Q
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 2485 2485 382.26      

Unscaled Zero Point Vibrational Energy (zpe) 1242.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1242.5 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 CBS-Q
B
11.81142

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

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 -1.028

Atom - Atom Distances (Å)
  B1 H2
B11.2335
H21.2335

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 CBS-Q
 hartrees
Energy at 0K-25.179885
Energy at 298.15K-25.176580
HF Energy-25.107031
Nuclear repulsion energy2.232697
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 CBS-Q
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 2801 2801 19.10      

Unscaled Zero Point Vibrational Energy (zpe) 1400.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1400.6 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 CBS-Q
B
12.80881

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

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 -0.988

Atom - Atom Distances (Å)
  B1 H2
B11.1851
H21.1851

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability