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 BeN (Beryllium mononitride)

using model chemistry: PBE1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 4Σ
2 1 yes C*V 2Π

State 1 (4Σ)

Jump to S2C1
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-68.851062
Energy at 298.15K-68.850082
HF Energy-68.851062
Nuclear repulsion energy9.017073
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/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 924 886 9.19      

Unscaled Zero Point Vibrational Energy (zpe) 461.8 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 443.2 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/3-21G*
B
1.13860

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.046
N2 0.000 0.000 0.598

Atom - Atom Distances (Å)
  Be1 N2
Be11.6432
N21.6432

picture of Beryllium mononitride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.272      
2 N -0.272      


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 -1.099 1.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.737 0.000 0.000
y 0.000 -10.737 0.000
z 0.000 0.000 -15.331
Traceless
 xyz
x 2.297 0.000 0.000
y 0.000 2.297 0.000
z 0.000 0.000 -4.594
Polar
3z2-r2-9.189
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 4.060 0.000 0.000
y 0.000 4.060 0.000
z 0.000 0.000 3.979


<r2> (average value of r2) Å2
<r2> 14.536
(<r2>)1/2 3.813

State 2 (2Π)

Jump to S1C1
Energy calculated at PBE1PBE/3-21G*
 hartrees
Energy at 0K-68.834411
Energy at 298.15K-68.833464
HF Energy-68.834411
Nuclear repulsion energy9.624803
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/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 1113 1069 12.65      

Unscaled Zero Point Vibrational Energy (zpe) 556.7 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 534.3 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 PBE1PBE/3-21G*
B
1.29725

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.980
N2 0.000 0.000 0.560

Atom - Atom Distances (Å)
  Be1 N2
Be11.5395
N21.5395

picture of Beryllium mononitride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.312      
2 N -0.312      


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 -2.249 2.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.292 0.000 0.000
y 0.000 -12.863 0.000
z 0.000 0.000 -10.316
Traceless
 xyz
x 1.297 0.000 0.000
y 0.000 -2.559 0.000
z 0.000 0.000 1.262
Polar
3z2-r22.523
x2-y22.571
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.005 0.000 0.000
y 0.000 -1.993 0.000
z 0.000 0.000 9.982


<r2> (average value of r2) Å2
<r2> 13.001
(<r2>)1/2 3.606