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

using model chemistry: CCSD/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 CCSD/TZVP
 hartrees
Energy at 0K-398.775645
Energy at 298.15K-398.776709
HF Energy-398.536091
Nuclear repulsion energy62.390289
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/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 358 341 0.00      
2 Σu 684 653 109.33      
3 Πu 56 53 113.77      
3 Πu 56 53 113.76      

Unscaled Zero Point Vibrational Energy (zpe) 576.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 550.1 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 CCSD/TZVP
B
0.09112

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 2.006
Na3 0.000 0.000 -2.006

Atom - Atom Distances (Å)
  O1 Na2 Na3
O12.00592.0059
Na22.00594.0119
Na32.00594.0119

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/TZVP
 hartrees
Energy at 0K-398.775645
Energy at 298.15K-398.777070
HF Energy-398.536098
Nuclear repulsion energy62.397926
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/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 358 342 0.00      
2 A1 55 53 113.91      
3 B2 684 653 109.34      

Unscaled Zero Point Vibrational Energy (zpe) 548.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 523.7 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/TZVP
B
0.09114

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 -0.002
Na2 0.000 2.006 0.001
Na3 0.000 -2.006 0.001

Atom - Atom Distances (Å)
  O1 Na2 Na3
O12.00572.0057
Na22.00574.0114
Na32.00574.0114

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 179.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability