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: CID/6-311G*

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 CID/6-311G*
 hartrees
Energy at 0K-398.740101
Energy at 298.15K-398.741157
HF Energy-398.518319
Nuclear repulsion energy63.087764
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 CID/6-311G*
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 381 354 0.00      
2 Σu 716 665 165.45      
3 Πu 45 42 116.19      
3 Πu 45 42 116.19      

Unscaled Zero Point Vibrational Energy (zpe) 593.0 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 551.0 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 CID/6-311G*
B
0.09317

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

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 1.984
Na3 0.000 0.000 -1.984

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.98381.9838
Na21.98383.9675
Na31.98383.9675

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

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-398.740101
Energy at 298.15K-398.741540
HF Energy-398.518322
Nuclear repulsion energy63.092275
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 CID/6-311G*
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 381 354 0.00      
2 A1 44 41 116.26      
3 B2 716 665 165.44      

Unscaled Zero Point Vibrational Energy (zpe) 570.6 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 530.2 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 CID/6-311G*
B
0.09318

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.001
Na2 0.000 1.984 -0.000
Na3 0.000 -1.984 -0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.98361.9836
Na21.98363.9672
Na31.98363.9672

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 179.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability