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

using model chemistry: MP2/cc-pVDZ

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 MP2/cc-pVDZ
 hartrees
Energy at 0K-398.771700
Energy at 298.15K-398.772676
HF Energy-398.524269
Nuclear repulsion energy61.582566
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/cc-pVDZ
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 344 327 0.00      
2 Σu 642 611 95.71      
3 Πu 42 40 78.24      
3 Πu 42 40 78.24      

Unscaled Zero Point Vibrational Energy (zpe) 534.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 509.4 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/cc-pVDZ
B
0.08877

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

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 2.032
Na3 0.000 0.000 -2.032

Atom - Atom Distances (Å)
  O1 Na2 Na3
O12.03222.0322
Na22.03224.0645
Na32.03224.0645

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/cc-pVDZ
 hartrees
Energy at 0K-398.771700
Energy at 298.15K-398.773063
HF Energy-398.524276
Nuclear repulsion energy61.586522
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/cc-pVDZ
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 344 327 0.00      
2 A1 42 40 78.32      
3 B2 642 611 95.77      

Unscaled Zero Point Vibrational Energy (zpe) 513.7 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 489.3 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/cc-pVDZ
B
0.08878

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
Na2 0.000 2.032 -0.000
Na3 0.000 -2.032 -0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O12.03212.0321
Na22.03214.0642
Na32.03214.0642

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 179.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability