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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-16.002482
Energy at 298.15K-16.003756
HF Energy-16.002482
Nuclear repulsion energy3.386956
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/CEP-121G
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 368 336 0.00      
2 Σu 711 649 158.79      
3 Πu 106 96 182.56      
3 Πu 106 96 182.56      

Unscaled Zero Point Vibrational Energy (zpe) 645.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 588.7 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/CEP-121G
B
0.09612

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

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 1.953
Na3 0.000 0.000 -1.953

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.95301.9530
Na21.95303.9060
Na31.95303.9060

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/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.434      
2 Na 0.717      
3 Na 0.717      


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 -13.094 0.000 0.000
y 0.000 -13.094 0.000
z 0.000 0.000 21.237
Traceless
 xyz
x -17.165 0.000 0.000
y 0.000 -17.165 0.000
z 0.000 0.000 34.331
Polar
3z2-r268.662
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 5.492 0.000 0.000
y 0.000 5.492 0.000
z 0.000 0.000 10.431


<r2> (average value of r2) Å2
<r2> 8.659
(<r2>)1/2 2.943

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-16.002482
Energy at 298.15K-16.004025
HF Energy-16.002482
Nuclear repulsion energy3.387744
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/CEP-121G
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 368 336 0.00      
2 A1 105 96 182.62      
3 B2 712 650 158.70      

Unscaled Zero Point Vibrational Energy (zpe) 592.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 540.8 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/CEP-121G
B
0.09617

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
Na2 0.000 1.953 -0.000
Na3 0.000 -1.953 -0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.95251.9525
Na21.95253.9051
Na31.95253.9051

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 179.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.434      
2 Na 0.717      
3 Na 0.717      


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 -0.004 0.004
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.093 0.000 0.000
y 0.000 21.226 0.000
z 0.000 0.000 -13.093
Traceless
 xyz
x -17.159 0.000 0.000
y 0.000 34.318 0.000
z 0.000 0.000 -17.159
Polar
3z2-r2-34.318
x2-y2-34.318
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.490 0.000 0.000
y 0.000 10.424 0.000
z 0.000 0.000 5.490


<r2> (average value of r2) Å2
<r2> 8.657
(<r2>)1/2 2.942