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

using model chemistry: MP4=FULL/3-21G

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 MP4=FULL/3-21G
 hartrees
Energy at 0K-25.034022
Energy at 298.15K-25.032795
HF Energy-24.976482
Nuclear repulsion energy2.102167
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 MP4=FULL/3-21G
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 2244 2196        

Unscaled Zero Point Vibrational Energy (zpe) 1121.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1098.0 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 MP4=FULL/3-21G
B
11.53728

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.210
H2 0.000 0.000 -1.048

Atom - Atom Distances (Å)
  B1 H2
B11.2580
H21.2580

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 MP4=FULL/3-21G
 hartrees
Energy at 0K-24.998887
Energy at 298.15K-24.997661
HF Energy-24.966386
Nuclear repulsion energy2.198683
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 MP4=FULL/3-21G
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 2634 2578        

Unscaled Zero Point Vibrational Energy (zpe) 1316.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 1288.9 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 MP4=FULL/3-21G
B
12.62160

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.200
H2 0.000 0.000 -1.002

Atom - Atom Distances (Å)
  B1 H2
B11.2027
H21.2027

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