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: HF/6-311G*

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 HF/6-311G*
 hartrees
Energy at 0K-25.126248
Energy at 298.15K-25.125022
HF Energy-25.126248
Nuclear repulsion energy2.156660
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 HF/6-311G*
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 2482 2245 416.74      

Unscaled Zero Point Vibrational Energy (zpe) 1241.2 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 1122.5 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 HF/6-311G*
B
12.13035

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.204
H2 0.000 0.000 -1.022

Atom - Atom Distances (Å)
  B1 H2
B11.2268
H21.2268

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.031      
2 H 0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.696 1.696
CHELPG        
AIM        
ESP 0.000 0.000 -1.362 1.362


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.569 0.000 0.000
y 0.000 -6.569 0.000
z 0.000 0.000 -10.734
Traceless
 xyz
x 2.083 0.000 0.000
y 0.000 2.083 0.000
z 0.000 0.000 -4.165
Polar
3z2-r2-8.331
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.691 0.000 0.000
y 0.000 2.691 0.000
z 0.000 0.000 3.080


<r2> (average value of r2) Å2
<r2> 6.224
(<r2>)1/2 2.495

State 2 (3Π)

Jump to S1C1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-25.112760
Energy at 298.15K-25.111533
HF Energy-25.112760
Nuclear repulsion energy2.237930
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 HF/6-311G*
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 2766 2502 17.58      

Unscaled Zero Point Vibrational Energy (zpe) 1383.0 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 1250.8 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 HF/6-311G*
B
13.06180

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.197
H2 0.000 0.000 -0.985

Atom - Atom Distances (Å)
  B1 H2
B11.1823
H21.1823

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.116      
2 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.106 0.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.961 0.000 0.000
y 0.000 -9.240 0.000
z 0.000 0.000 -7.576
Traceless
 xyz
x 2.447 0.000 0.000
y 0.000 -2.471 0.000
z 0.000 0.000 0.024
Polar
3z2-r20.048
x2-y23.279
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.693 0.000 0.000
y 0.000 1.483 0.000
z 0.000 0.000 1.967


<r2> (average value of r2) Å2
<r2> 5.907
(<r2>)1/2 2.430