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

using model chemistry: CID/aug-cc-pV(T+d)Z

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-pV(T+d)Z
 hartrees
Energy at 0K-721.522308
Energy at 298.15K 
HF Energy-721.320109
Nuclear repulsion energy89.762240
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-pV(T+d)Z
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 429 429 135.48      
3 Πu 19i 19i 84.22      
3 Πu 19i 19i 84.22      

Unscaled Zero Point Vibrational Energy (zpe) 336.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 336.1 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 CID/aug-cc-pV(T+d)Z
B
0.06200

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/aug-cc-pV(T+d)Z

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 2.432
Na3 0.000 0.000 -2.432

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.43182.4318
Na22.43184.8636
Na32.43184.8636

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-pV(T+d)Z
 hartrees
Energy at 0K-721.522427
Energy at 298.15K 
HF Energy-721.320012
Nuclear repulsion energy89.994971
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-pV(T+d)Z
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 8.95      
2 A1 20 20 70.65      
3 B2 420 420 125.52      

Unscaled Zero Point Vibrational Energy (zpe) 364.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 364.2 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-pV(T+d)Z
ABC
2.26775 0.06607 0.06420

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.363
Na2 0.000 2.356 -0.264
Na3 0.000 -2.356 -0.264

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.43792.4379
Na22.43794.7114
Na32.43794.7114

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 150.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability