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

using model chemistry: CID/aug-cc-pCVTZ

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/aug-cc-pCVTZ
 hartrees
Energy at 0K-721.523018
Energy at 298.15K 
HF Energy-721.319789
Nuclear repulsion energy89.784376
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/aug-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 281 281 0.00      
2 Σu 428 428 135.60      
3 Πu 18i 18i 84.73      
3 Πu 18i 18i 84.73      

Unscaled Zero Point Vibrational Energy (zpe) 336.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 336.4 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 CID/aug-cc-pCVTZ
B
0.06203

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

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 2.431
Na3 0.000 0.000 -2.431

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.43122.4312
Na22.43124.8624
Na32.43124.8624

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/aug-cc-pCVTZ
 hartrees
Energy at 0K-721.523125
Energy at 298.15K 
HF Energy-721.319688
Nuclear repulsion energy90.010060
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/aug-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 289 289 9.03      
2 A1 18 18 70.68      
3 B2 419 419 125.88      

Unscaled Zero Point Vibrational Energy (zpe) 362.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 362.9 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 CID/aug-cc-pCVTZ
ABC
2.26703 0.06609 0.06422

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.364
Na2 0.000 2.355 -0.264
Na3 0.000 -2.355 -0.264

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.43752.4375
Na22.43754.7106
Na32.43754.7106

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 150.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability