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 Na2O (disodium monoxide)

using model chemistry: LSDA/aug-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 LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-398.225743
Energy at 298.15K-398.226740
HF Energy-398.225743
Nuclear repulsion energy63.688732
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 LSDA/aug-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 363 359 0.00      
2 Σu 690 683 55.90      
3 Πu 36 36 87.24      
3 Πu 36 36 87.24      

Unscaled Zero Point Vibrational Energy (zpe) 562.1 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 556.8 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 LSDA/aug-cc-pVTZ
B
0.09495

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-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 1.965
Na3 0.000 0.000 -1.965

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.96501.9650
Na21.96503.9301
Na31.96503.9301

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 LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.971      
2 Na 0.486      
3 Na 0.486      


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 -20.640 0.000 0.000
y 0.000 -20.640 0.000
z 0.000 0.000 10.564
Traceless
 xyz
x -15.602 0.000 0.000
y 0.000 -15.602 0.000
z 0.000 0.000 31.205
Polar
3z2-r262.409
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 13.259 0.000 0.000
y 0.000 13.259 0.000
z 0.000 0.000 27.355


<r2> (average value of r2) Å2
<r2> 91.345
(<r2>)1/2 9.557

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-398.225743
Energy at 298.15K-398.227140
HF Energy-398.225743
Nuclear repulsion energy63.689658
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 LSDA/aug-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 363 359 0.00      
2 A1 36 36 87.24      
3 B2 690 683 55.90      

Unscaled Zero Point Vibrational Energy (zpe) 544.1 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 539.0 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 LSDA/aug-cc-pVTZ
B
0.09495

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-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 1.965 -0.000
Na3 0.000 -1.965 -0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.96501.9650
Na21.96503.9300
Na31.96503.9300

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 179.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.971      
2 Na 0.486      
3 Na 0.486      


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 -0.005 0.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.640 0.000 0.000
y 0.000 10.564 0.000
z 0.000 0.000 -20.640
Traceless
 xyz
x -15.602 0.000 0.000
y 0.000 31.204 0.000
z 0.000 0.000 -15.602
Polar
3z2-r2-31.204
x2-y2-31.204
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.258 0.000 0.000
y 0.000 27.354 0.000
z 0.000 0.000 13.258


<r2> (average value of r2) Å2
<r2> 91.342
(<r2>)1/2 9.557