return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD/aug-cc-pVQZ

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 CCSD/aug-cc-pVQZ
 hartrees
Energy at 0K-25.233103
Energy at 298.15K-25.231876
HF Energy-25.131370
Nuclear repulsion energy2.146835
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 CCSD/aug-cc-pVQZ
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 2367 2257 393.20      

Unscaled Zero Point Vibrational Energy (zpe) 1183.4 cm-1
Scaled (by 0.9534) Zero Point Vibrational Energy (zpe) 1128.3 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 CCSD/aug-cc-pVQZ
B
12.02008

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVQZ

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
B11.2325
H21.2325

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 CCSD/aug-cc-pVQZ
 hartrees
Energy at 0K-25.185183
Energy at 298.15K-25.183956
HF Energy-25.118070
Nuclear repulsion energy2.223381
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 CCSD/aug-cc-pVQZ
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 2639 2516 3.75      

Unscaled Zero Point Vibrational Energy (zpe) 1319.4 cm-1
Scaled (by 0.9534) Zero Point Vibrational Energy (zpe) 1257.9 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 CCSD/aug-cc-pVQZ
B
12.89252

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVQZ

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 -0.992

Atom - Atom Distances (Å)
  B1 H2
B11.1900
H21.1900

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