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

using model chemistry: B1B95/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 B1B95/daug-cc-pVTZ
 hartrees
Energy at 0K-722.912373
Energy at 298.15K 
HF Energy-722.912373
Nuclear repulsion energy90.797987
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 B1B95/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 278 278 0.00 208.97 0.07 0.14
2 Σu 425 425 111.86 0.00 0.00 0.00
3 Πu 39i 39i 69.28 0.00 0.00 0.00
3 Πu 39i 39i 69.28 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 313.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 313.1 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 B1B95/daug-cc-pVTZ
B
0.06344

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/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 2.404
Na3 0.000 0.000 -2.404

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.40412.4041
Na22.40414.8082
Na32.40414.8082

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
Charges from optimized geometry at B1B95/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.529      
2 Na 0.264      
3 Na 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.642 0.000 0.000
y 0.000 -30.642 0.000
z 0.000 0.000 18.327
Traceless
 xyz
x -24.485 0.000 0.000
y 0.000 -24.485 0.000
z 0.000 0.000 48.969
Polar
3z2-r297.939
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.429 0.000 0.000
y 0.000 13.429 0.000
z 0.000 0.000 21.728


<r2> (average value of r2) Å2
<r2> 136.095
(<r2>)1/2 11.666

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B1B95/daug-cc-pVTZ
 hartrees
Energy at 0K-722.913487
Energy at 298.15K 
HF Energy-722.913487
Nuclear repulsion energy91.670834
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 B1B95/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 B2 388 388 88.30      
2 A1 298 298 16.53      
3 A1 48 48 39.58      

Unscaled Zero Point Vibrational Energy (zpe) 366.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 366.7 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 B1B95/daug-cc-pVTZ
ABC
0.72250 0.07896 0.07118

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.644
Na2 0.000 2.155 -0.468
Na3 0.000 -2.155 -0.468

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.42502.4250
Na22.42504.3097
Na32.42504.3097

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 125.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.382      
2 Na 0.191      
3 Na 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -6.111 6.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.786 0.000 0.000
y 0.000 8.021 0.000
z 0.000 0.000 -29.649
Traceless
 xyz
x -19.972 0.000 0.000
y 0.000 38.238 0.000
z 0.000 0.000 -18.266
Polar
3z2-r2-36.532
x2-y2-38.807
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.542 0.000 0.000
y 0.000 22.015 0.000
z 0.000 0.000 15.366


<r2> (average value of r2) Å2
<r2> 124.525
(<r2>)1/2 11.159