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

using model chemistry: MP3=FULL/cc-pVTZ

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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-398.863134
Energy at 298.15K-398.864266
HF Energy-398.553624
Nuclear repulsion energy63.356912
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 MP3=FULL/cc-pVTZ
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 368 343 0.00      
2 Σu 646 603 181.92      
3 Πu 76 70 168.13      
3 Πu 76 70 168.13      

Unscaled Zero Point Vibrational Energy (zpe) 582.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 543.3 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 MP3=FULL/cc-pVTZ
B
0.09396

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

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 1.975
Na3 0.000 0.000 -1.975

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.97531.9753
Na21.97533.9506
Na31.97533.9506

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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-398.863134
Energy at 298.15K-398.864590
HF Energy-398.553625
Nuclear repulsion energy63.352049
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 MP3=FULL/cc-pVTZ
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 367 343 0.00      
2 A1 76 71 167.99      
3 B2 646 603 181.95      

Unscaled Zero Point Vibrational Energy (zpe) 544.7 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 508.0 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 MP3=FULL/cc-pVTZ
B
0.09395

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
Na2 0.000 1.975 -0.000
Na3 0.000 -1.975 -0.000

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.97551.9755
Na21.97553.9510
Na31.97553.9510

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 179.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability