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

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no D*H 1Σg
1 2 yes C2V 1A1

Conformer 1 (D*H)

Jump to S1C2
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-399.058850
Energy at 298.15K 
HF Energy-398.517191
Nuclear repulsion energy62.041308
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 MP2=FULL/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 345 328 0.00      
2 Σu 652 619 105.83      
3 Πu 48i 46i 62.12      
3 Πu 48i 46i 62.12      

Unscaled Zero Point Vibrational Energy (zpe) 450.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 427.3 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 MP2=FULL/6-311G**
B
0.09010

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 2.017
Na3 0.000 0.000 -2.017

Atom - Atom Distances (Å)
  O1 Na2 Na3
O12.01722.0172
Na22.01724.0344
Na32.01724.0344

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 MP2=FULL/6-311G**
 hartrees
Energy at 0K-399.059612
Energy at 298.15K-399.061049
HF Energy-398.512483
Nuclear repulsion energy62.879960
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 MP2=FULL/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 382 362 0.57      
2 A1 70 66 20.46      
3 B2 608 576 87.31      

Unscaled Zero Point Vibrational Energy (zpe) 529.4 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 502.2 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 MP2=FULL/6-311G**
ABC
2.11053 0.10542 0.10040

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.602
Na2 0.000 1.865 -0.219
Na3 0.000 -1.865 -0.219

Atom - Atom Distances (Å)
  O1 Na2 Na3
O12.03742.0374
Na22.03743.7298
Na32.03743.7298

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 132.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability