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

using model chemistry: B97D3/STO-3G

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 B97D3/STO-3G
 hartrees
Energy at 0K-714.187555
Energy at 298.15K 
HF Energy-714.187555
Nuclear repulsion energy100.956649
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 B97D3/STO-3G
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 453 453 0.00 28.89 0.32 0.48
2 Σu 671 671 127.43 0.00 0.00 0.00
3 Πu 122i 122i 66.00 0.00 0.00 0.00
3 Πu 122i 122i 66.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 440.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 440.3 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 B97D3/STO-3G
B
0.07842

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

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 2.162
Na3 0.000 0.000 -2.162

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.16222.1622
Na22.16224.3243
Na32.16224.3243

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 B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.937      
2 Na 0.468      
3 Na 0.468      


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 -20.744 0.000 0.000
y 0.000 -20.744 0.000
z 0.000 0.000 10.149
Traceless
 xyz
x -15.446 0.000 0.000
y 0.000 -15.446 0.000
z 0.000 0.000 30.893
Polar
3z2-r261.786
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 0.817 0.000 0.000
y 0.000 0.817 0.000
z 0.000 0.000 9.146


<r2> (average value of r2) Å2
<r2> 109.374
(<r2>)1/2 10.458

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B97D3/STO-3G
 hartrees
Energy at 0K-714.207344
Energy at 298.15K 
HF Energy-714.207344
Nuclear repulsion energy105.508640
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 B97D3/STO-3G
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 579 579 33.01 19.16 0.10 0.19
2 A1 127 127 5.44 7.73 0.69 0.82
3 B2 556 556 67.75 5.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 630.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 630.9 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 B97D3/STO-3G
ABC
0.34333 0.16089 0.10955

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.934
Na2 0.000 1.510 -0.679
Na3 0.000 -1.510 -0.679

Atom - Atom Distances (Å)
  S1 Na2 Na3
S12.20962.2096
Na22.20963.0191
Na32.20963.0191

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 86.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.772      
2 Na 0.386      
3 Na 0.386      


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 -7.836 7.836
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.042 0.000 0.000
y 0.000 -6.758 0.000
z 0.000 0.000 -20.740
Traceless
 xyz
x -7.292 0.000 0.000
y 0.000 14.133 0.000
z 0.000 0.000 -6.841
Polar
3z2-r2-13.681
x2-y2-14.283
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.030 0.000 0.000
y 0.000 5.525 0.000
z 0.000 0.000 3.905


<r2> (average value of r2) Å2
<r2> 84.356
(<r2>)1/2 9.185