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

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-398.553644
Energy at 298.15K-398.554873
HF Energy-398.553644
Nuclear repulsion energy63.141666
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/cc-pVTZ
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 378 344 0.00      
2 Σu 721 656 189.59      
3 Πu 90 82 178.04      
3 Πu 90 82 178.04      

Unscaled Zero Point Vibrational Energy (zpe) 639.1 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 581.7 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/cc-pVTZ
B
0.09333

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

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 1.982
Na3 0.000 0.000 -1.982

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.98211.9821
Na21.98213.9641
Na31.98213.9641

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.992      
2 Na 0.496      
3 Na 0.496      


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 -18.805 0.000 0.000
y 0.000 -18.805 0.000
z 0.000 0.000 17.781
Traceless
 xyz
x -18.293 0.000 0.000
y 0.000 -18.293 0.000
z 0.000 0.000 36.585
Polar
3z2-r273.171
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 6.600 0.000 0.000
y 0.000 6.600 0.000
z 0.000 0.000 7.517


<r2> (average value of r2) Å2
<r2> 90.556
(<r2>)1/2 9.516

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-398.553644
Energy at 298.15K-398.555171
HF Energy-398.553644
Nuclear repulsion energy63.145804
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/cc-pVTZ
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 378 344 0.00      
2 A1 90 81 178.05      
3 B2 722 657 189.57      

Unscaled Zero Point Vibrational Energy (zpe) 594.4 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 541.0 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/cc-pVTZ
B
0.09334

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 -0.001
Na2 0.000 1.982 0.000
Na3 0.000 -1.982 0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.98191.9819
Na21.98193.9639
Na31.98193.9639

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 179.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.992      
2 Na 0.496      
3 Na 0.496      


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 0.007 0.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.804 0.000 0.000
y 0.000 17.777 0.000
z 0.000 0.000 -18.804
Traceless
 xyz
x -18.291 0.000 0.000
y 0.000 36.581 0.000
z 0.000 0.000 -18.291
Polar
3z2-r2-36.581
x2-y2-36.581
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.600 0.000 0.000
y 0.000 7.516 0.000
z 0.000 0.000 6.600


<r2> (average value of r2) Å2
<r2> 90.546
(<r2>)1/2 9.516