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

using model chemistry: MP3=FULL/6-31G*

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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-398.705074
Energy at 298.15K 
HF Energy-398.485854
Nuclear repulsion energy64.149172
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/6-31G*
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 402 377 0.00      
2 Σu 742 696 205.48      
3 Πu 32i 30i 136.80      
3 Πu 32i 30i 136.80      

Unscaled Zero Point Vibrational Energy (zpe) 539.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 506.5 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/6-31G*
B
0.09633

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

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 1.951
Na3 0.000 0.000 -1.951

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.95091.9509
Na21.95093.9019
Na31.95093.9019

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/6-31G*
 hartrees
Energy at 0K-398.705104
Energy at 298.15K-398.706571
HF Energy-398.485671
Nuclear repulsion energy64.264019
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/6-31G*
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 410 385 8.12      
2 A1 43 40 123.53      
3 B2 735 690 200.59      

Unscaled Zero Point Vibrational Energy (zpe) 593.9 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 557.3 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/6-31G*
ABC
18.14903 0.09817 0.09765

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.205
Na2 0.000 1.932 -0.075
Na3 0.000 -1.932 -0.075

Atom - Atom Distances (Å)
  O1 Na2 Na3
O11.95261.9526
Na21.95263.8650
Na31.95263.8650

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 163.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability