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

using model chemistry: CCSD=FULL/cc-pCVTZ

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 CCSD=FULL/cc-pCVTZ
 hartrees
Energy at 0K-399.474434
Energy at 298.15K-399.475501
HF Energy-398.558345
Nuclear repulsion energy63.084451
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 CCSD=FULL/cc-pCVTZ
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 364 364 0.00      
2 Σu 690 690 130.83      
3 Πu 53 53 127.01      
3 Πu 53 53 127.01      

Unscaled Zero Point Vibrational Energy (zpe) 579.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 579.9 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 CCSD=FULL/cc-pCVTZ
B
0.09316

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pCVTZ

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
O11.98391.9839
Na21.98393.9677
Na31.98393.9677

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 CCSD=FULL/cc-pCVTZ
 hartrees
Energy at 0K-399.474434
Energy at 298.15K-399.475867
HF Energy-398.558345
Nuclear repulsion energy63.085807
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 CCSD=FULL/cc-pCVTZ
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 364 364        
2 A1 53 53 126.91      
3 B2 690 690 130.84      

Unscaled Zero Point Vibrational Energy (zpe) 553.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 553.4 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 CCSD=FULL/cc-pCVTZ
B
0.09316

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pCVTZ

Point Group is C2v

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

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.98381.9838
Na21.98383.9676
Na31.98383.9676

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 179.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability