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All results from a given calculation for Na2S (Sodium sulfide)

using model chemistry: CID/daug-cc-pVTZ

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 CID/daug-cc-pVTZ
 hartrees
Energy at 0K-721.519845
Energy at 298.15K 
HF Energy-721.317996
Nuclear repulsion energy89.573728
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 CID/daug-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 279 279 0.00      
2 Σu 425 425 134.53      
3 Πu 36i 36i 84.77      
3 Πu 36i 36i 84.77      

Unscaled Zero Point Vibrational Energy (zpe) 315.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 315.6 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 CID/daug-cc-pVTZ
B
0.06174

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.000
Na2 0.000 0.000 2.437
Na3 0.000 0.000 -2.437

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.43692.4369
Na22.43694.8739
Na32.43694.8739

picture of Sodium sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na2 S1 Na3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CID/daug-cc-pVTZ
 hartrees
Energy at 0K-721.520119
Energy at 298.15K 
HF Energy-721.317873
Nuclear repulsion energy89.902498
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 CID/daug-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 289 289 10.88      
2 A1 31 31 68.42      
3 B2 415 415 122.33      

Unscaled Zero Point Vibrational Energy (zpe) 367.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 367.5 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 CID/daug-cc-pVTZ
ABC
1.79639 0.06697 0.06456

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.408
Na2 0.000 2.340 -0.297
Na3 0.000 -2.340 -0.297

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.44392.4439
Na22.44394.6797
Na32.44394.6797

picture of Sodium sulfide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na2 S1 Na3 146.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability