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

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-1802.046435
Energy at 298.15K-1802.050268
HF Energy-1802.046435
Nuclear repulsion energy760.936545
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 PBEPBE/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 612 583 0.00      
2 A1 561 535 0.00      
3 A1 157 150 0.00      
4 A2 636 606 0.00      
5 A2 187 178 0.00      
6 B1 620 591 0.00      
7 B1 313 298 0.00      
8 B2 900 858 38.21      
9 B2 518 494 75.45      
10 B2 139 133 0.18      
11 E 691 659 5.42      
11 E 691 659 5.42      
12 E 601 573 55.40      
12 E 601 573 55.40      
13 E 470 449 22.31      
13 E 470 449 22.31      
14 E 278 265 20.58      
14 E 278 265 20.58      

Unscaled Zero Point Vibrational Energy (zpe) 4361.3 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 4158.5 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 PBEPBE/3-21G*
ABC
0.04643 0.04643 0.03426

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.354 1.354 0.000
N2 -1.354 1.354 0.000
N3 -1.354 -1.354 0.000
N4 1.354 -1.354 0.000
S5 0.000 1.497 0.957
S6 0.000 -1.497 0.957
S7 1.497 0.000 -0.957
S8 -1.497 0.000 -0.957

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.70733.82862.70731.66383.29791.66383.2979
N22.70732.70733.82861.66383.29793.29791.6638
N33.82862.70732.70733.29791.66383.29791.6638
N42.70733.82862.70733.29791.66381.66383.2979
S51.66381.66383.29793.29792.99482.85402.8540
S63.29793.29791.66381.66382.99482.85402.8540
S71.66383.29793.29791.66382.85402.85402.9948
S83.29791.66381.66383.29792.85402.85402.9948

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 108.893 N1 S7 N4 108.893
N2 S8 N3 108.893 N3 S6 N4 108.893
S5 N1 S7 118.116 S5 N2 S8 118.116
S6 N3 S8 118.116 S6 N4 S7 118.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.567      
2 N -0.567      
3 N -0.567      
4 N -0.567      
5 S 0.567      
6 S 0.567      
7 S 0.567      
8 S 0.567      


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 -77.197 0.000 0.000
y 0.000 -77.197 0.000
z 0.000 0.000 -68.214
Traceless
 xyz
x -4.492 0.000 0.000
y 0.000 -4.492 0.000
z 0.000 0.000 8.983
Polar
3z2-r217.967
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 14.735 0.000 0.000
y 0.000 14.735 0.000
z 0.000 0.000 9.843


<r2> (average value of r2) Å2
<r2> 351.036
(<r2>)1/2 18.736