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All results from a given calculation for S4N4 (Tetrasulfur tetranitride)

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-1806.362246
Energy at 298.15K-1806.367111
HF Energy-1806.362246
Nuclear repulsion energy804.368046
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 LSDA/6-31G(2df,p)
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 744 732 0.00      
2 A1 572 563 0.00      
3 A1 217 213 0.00      
4 A2 795 783 0.00      
5 A2 261 257 0.00      
6 B1 765 753 0.00      
7 B1 339 333 0.00      
8 B2 982 967 59.07      
9 B2 557 548 55.75      
10 B2 190 187 0.27      
11 E 837 823 4.40      
11 E 837 823 4.40      
12 E 737 725 76.77      
12 E 737 725 76.77      
13 E 517 509 7.68      
13 E 517 509 7.68      
14 E 337 331 12.88      
14 E 337 331 12.88      

Unscaled Zero Point Vibrational Energy (zpe) 5137.6 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 5055.4 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 LSDA/6-31G(2df,p)
ABC
0.05151 0.05151 0.04109

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.289 1.289 0.000
N2 -1.289 1.289 0.000
N3 -1.289 -1.289 0.000
N4 1.289 -1.289 0.000
S5 0.000 1.324 0.977
S6 0.000 -1.324 0.977
S7 1.324 0.000 -0.977
S8 -1.324 0.000 -0.977

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.57773.64542.57771.61783.07301.61783.0730
N22.57772.57773.64541.61783.07303.07301.6178
N33.64542.57772.57773.07301.61783.07301.6178
N42.57773.64542.57773.07301.61781.61783.0730
S51.61781.61783.07303.07302.64812.70652.7065
S63.07303.07301.61781.61782.64812.70652.7065
S71.61783.07303.07301.61782.70652.70652.6481
S83.07301.61781.61783.07302.70652.70652.6481

picture of Tetrasulfur tetranitride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 S5 N2 105.630 N1 S7 N4 105.630
N2 S8 N3 105.630 N3 S6 N4 105.630
S5 N1 S7 113.546 S5 N2 S8 113.546
S6 N3 S8 113.546 S6 N4 S7 113.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.146      
2 N -0.146      
3 N -0.146      
4 N -0.146      
5 S 0.146      
6 S 0.146      
7 S 0.146      
8 S 0.146      


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 -75.001 0.000 0.000
y 0.000 -75.001 0.000
z 0.000 0.000 -66.561
Traceless
 xyz
x -4.220 0.000 0.000
y 0.000 -4.220 0.000
z 0.000 0.000 8.440
Polar
3z2-r216.879
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 14.572 0.000 0.000
y 0.000 14.572 0.000
z 0.000 0.000 11.689


<r2> (average value of r2) Å2
<r2> 311.416
(<r2>)1/2 17.647