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: TPSSh/TZVP

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 TPSSh/TZVP
 hartrees
Energy at 0K-399.822448
Energy at 298.15K-399.823446
HF Energy-399.822448
Nuclear repulsion energy62.711057
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 TPSSh/TZVP
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 352 339 0.00      
2 Σu 678 654 67.57      
3 Πu 41 40 82.59      
3 Πu 41 40 82.59      

Unscaled Zero Point Vibrational Energy (zpe) 556.0 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 535.8 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 TPSSh/TZVP
B
0.09206

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

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 1.996
Na3 0.000 0.000 -1.996

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.99571.9957
Na21.99573.9913
Na31.99573.9913

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 TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.237      
2 Na 0.619      
3 Na 0.619      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.400 0.000 0.000
y 0.000 11.400 0.000
z 0.000 0.000 27.792


<r2> (average value of r2) Å2
<r2> 93.829
(<r2>)1/2 9.687

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-399.822448
Energy at 298.15K 
HF Energy-399.822448
Nuclear repulsion energy62.708266
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 TPSSh/TZVP
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 352 339 0.00      
2 A1 41 40 82.57      
3 B2 678 653 67.57      

Unscaled Zero Point Vibrational Energy (zpe) 535.5 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 516.1 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 TPSSh/TZVP
B
0.09206

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 -0.000
Na2 0.000 1.996 0.000
Na3 0.000 -1.996 0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.99581.9958
Na21.99583.9915
Na31.99583.9915

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 179.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.237      
2 Na 0.619      
3 Na 0.619      


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 0.003 0.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.401 0.000 0.000
y 0.000 27.795 0.000
z 0.000 0.000 11.401


<r2> (average value of r2) Å2
<r2> 93.837
(<r2>)1/2 9.687