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: PBE1PBE/6-31G

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 PBE1PBE/6-31G
 hartrees
Energy at 0K-25.230873
Energy at 298.15K-25.229645
HF Energy-25.230873
Nuclear repulsion energy2.100128
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 PBE1PBE/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2241 2142 435.57      

Unscaled Zero Point Vibrational Energy (zpe) 1120.5 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 1071.1 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 PBE1PBE/6-31G
B
11.50274

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

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 -1.050

Atom - Atom Distances (Å)
  B1 H2
B11.2599
H21.2599

picture of Boron monohydride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.098      
2 H -0.098      


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 -1.285 1.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.232 0.000 0.000
y 0.000 -6.232 0.000
z 0.000 0.000 -10.112
Traceless
 xyz
x 1.940 0.000 0.000
y 0.000 1.940 0.000
z 0.000 0.000 -3.879
Polar
3z2-r2-7.759
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 2.358 0.000 0.000
y 0.000 2.358 0.000
z 0.000 0.000 2.849


<r2> (average value of r2) Å2
<r2> 6.023
(<r2>)1/2 2.454

State 2 (3Π)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-25.201150
Energy at 298.15K-25.199923
HF Energy-25.201150
Nuclear repulsion energy2.208120
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 PBE1PBE/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2651 2534 13.61      

Unscaled Zero Point Vibrational Energy (zpe) 1325.3 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 1266.8 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 PBE1PBE/6-31G
B
12.71614

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

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 -0.999

Atom - Atom Distances (Å)
  B1 H2
B11.1983
H21.1983

picture of Boron monohydride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.011      
2 H 0.011      


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 -0.181 0.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -8.654 0.000 0.000
y 0.000 -5.777 0.000
z 0.000 0.000 -7.092
Traceless
 xyz
x -2.220 0.000 0.000
y 0.000 2.096 0.000
z 0.000 0.000 0.124
Polar
3z2-r20.247
x2-y2-2.878
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.040 0.000 0.000
y 0.000 1.556 0.000
z 0.000 0.000 1.821


<r2> (average value of r2) Å2
<r2> 5.678
(<r2>)1/2 2.383