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

using model chemistry: QCISD/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 QCISD/TZVP
 hartrees
Energy at 0K-25.218803
Energy at 298.15K-25.217577
HF Energy-25.129476
Nuclear repulsion energy2.146282
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/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 2390 2283 396.49      

Unscaled Zero Point Vibrational Energy (zpe) 1194.9 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 1141.5 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 QCISD/TZVP
B
12.01388

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.205
H2 0.000 0.000 -1.027

Atom - Atom Distances (Å)
  B1 H2
B11.2328
H21.2328

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 QCISD/TZVP
 hartrees
Energy at 0K-25.172425
Energy at 298.15K-25.171198
HF Energy-25.116125
Nuclear repulsion energy2.221199
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/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 2660 2541 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 1330.1 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 1270.6 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 QCISD/TZVP
B
12.86723

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.199
H2 0.000 0.000 -0.993

Atom - Atom Distances (Å)
  B1 H2
B11.1912
H21.1912

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