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All results from a given calculation for Na2O (disodium monoxide)

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
1 2 no C2V 1A1

Conformer 1 (D*H)

Jump to S1C2
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-396.104777
Energy at 298.15K-396.105985
HF Energy-396.104777
Nuclear repulsion energy64.913565
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/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 Σg 420 381 0.00      
2 Σu 795 720 194.34      
3 Πu 66 60 120.86      
3 Πu 66 60 120.86      

Unscaled Zero Point Vibrational Energy (zpe) 673.8 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 610.2 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 HF/3-21G
B
0.09864

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
Na2 0.000 0.000 1.928
Na3 0.000 0.000 -1.928

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.92801.9280
Na21.92803.8559
Na31.92803.8559

picture of disodium monoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na2 O1 Na3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.872      
2 Na 0.436      
3 Na 0.436      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.676 0.000 0.000
y 0.000 -19.676 0.000
z 0.000 0.000 9.381
Traceless
 xyz
x -14.529 0.000 0.000
y 0.000 -14.529 0.000
z 0.000 0.000 29.057
Polar
3z2-r258.115
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 7.075 0.000 0.000
y 0.000 7.075 0.000
z 0.000 0.000 14.406


<r2> (average value of r2) Å2
<r2> 88.014
(<r2>)1/2 9.382

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-396.104777
Energy at 298.15K-396.106327
HF Energy-396.104777
Nuclear repulsion energy64.914943
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/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 A1 420 381 0.00      
2 A1 66 60 120.86      
3 B2 795 720 194.34      

Unscaled Zero Point Vibrational Energy (zpe) 640.6 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 580.2 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 HF/3-21G
B
0.09864

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
Na2 0.000 1.928 -0.000
Na3 0.000 -1.928 -0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.92791.9279
Na21.92793.8558
Na31.92793.8558

picture of disodium monoxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na2 O1 Na3 179.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.872      
2 Na 0.436      
3 Na 0.436      


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 -0.002 0.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.676 0.000 0.000
y 0.000 9.380 0.000
z 0.000 0.000 -19.676
Traceless
 xyz
x -14.528 0.000 0.000
y 0.000 29.057 0.000
z 0.000 0.000 -14.528
Polar
3z2-r2-29.057
x2-y2-29.057
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.075 0.000 0.000
y 0.000 14.405 0.000
z 0.000 0.000 7.075


<r2> (average value of r2) Å2
<r2> 88.011
(<r2>)1/2 9.381