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: SVWN/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 SVWN/3-21G
 hartrees
Energy at 0K-68.473915
Energy at 298.15K-68.472936
HF Energy-68.473915
Nuclear repulsion energy9.047241
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 SVWN/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 924 907 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 461.9 cm-1
Scaled (by 0.9819) Zero Point Vibrational Energy (zpe) 453.6 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 SVWN/3-21G
B
1.14623

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.042
N2 0.000 0.000 0.596

Atom - Atom Distances (Å)
  Be1 N2
Be11.6377
N21.6377

picture of Beryllium mononitride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.203      
2 N -0.203      


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 -0.739 0.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.959 0.000 0.000
y 0.000 -10.959 0.000
z 0.000 0.000 -15.309
Traceless
 xyz
x 2.175 0.000 0.000
y 0.000 2.175 0.000
z 0.000 0.000 -4.350
Polar
3z2-r2-8.700
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 4.108 0.000 0.000
y 0.000 4.108 0.000
z 0.000 0.000 4.390


<r2> (average value of r2) Å2
<r2> 14.578
(<r2>)1/2 3.818

State 2 (2Π)

Jump to S1C1
Energy calculated at SVWN/3-21G
 hartrees
Energy at 0K-68.479571
Energy at 298.15K-68.478633
HF Energy-68.479571
Nuclear repulsion energy9.771132
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 SVWN/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 1191 1170 6.08      

Unscaled Zero Point Vibrational Energy (zpe) 595.6 cm-1
Scaled (by 0.9819) Zero Point Vibrational Energy (zpe) 584.8 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 SVWN/3-21G
B
1.33700

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.965
N2 0.000 0.000 0.551

Atom - Atom Distances (Å)
  Be1 N2
Be11.5164
N21.5164

picture of Beryllium mononitride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.269      
2 N -0.269      


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 -3.153 3.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.294 0.000 0.000
y 0.000 -12.952 0.000
z 0.000 0.000 -8.837
Traceless
 xyz
x 0.600 0.000 0.000
y 0.000 -3.386 0.000
z 0.000 0.000 2.786
Polar
3z2-r25.573
x2-y22.657
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.436 0.000 0.000
y 0.000 7.775 0.000
z 0.000 0.000 7.525


<r2> (average value of r2) Å2
<r2> 12.533
(<r2>)1/2 3.540