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

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-1811.246496
Energy at 298.15K-1811.249130
HF Energy-1811.246496
Nuclear repulsion energy718.587353
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 B3LYP/6-31G
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 582 560 0.00      
2 A1 495 476 0.00      
3 A1 148 142 0.00      
4 A2 448 431 0.00      
5 A2 116 112 0.00      
6 B1 526 506 0.00      
7 B1 277 267 0.00      
8 B2 775 745 10.09      
9 B2 448 431 63.86      
10 B2 131 126 0.29      
11 E 600 577 17.36      
11 E 600 577 17.36      
12 E 497 478 23.21      
12 E 497 478 23.21      
13 E 416 400 10.81      
13 E 416 400 10.81      
14 E 161 154 24.67      
14 E 161 154 24.67      

Unscaled Zero Point Vibrational Energy (zpe) 3646.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 3507.6 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 B3LYP/6-31G
ABC
0.04133 0.04133 0.03143

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.440 1.440 0.000
N2 -1.440 1.440 0.000
N3 -1.440 -1.440 0.000
N4 1.440 -1.440 0.000
S5 0.000 1.542 1.045
S6 0.000 -1.542 1.045
S7 1.542 0.000 -1.045
S8 -1.542 0.000 -1.045

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.87914.07172.87911.78193.47241.78193.4724
N22.87912.87914.07171.78193.47243.47241.7819
N34.07172.87912.87913.47241.78193.47241.7819
N42.87914.07172.87913.47241.78191.78193.4724
S51.78191.78193.47243.47243.08503.02113.0211
S63.47243.47241.78191.78193.08503.02113.0211
S71.78193.47243.47241.78193.02113.02113.0850
S83.47241.78191.78193.47243.02113.02113.0850

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 107.781 N1 S7 N4 107.781
N2 S8 N3 107.781 N3 S6 N4 107.781
S5 N1 S7 115.932 S5 N2 S8 115.932
S6 N3 S8 115.932 S6 N4 S7 115.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.672      
2 N -0.672      
3 N -0.672      
4 N -0.672      
5 S 0.672      
6 S 0.672      
7 S 0.672      
8 S 0.672      


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 -81.654 0.000 0.000
y 0.000 -81.654 0.000
z 0.000 0.000 -69.407
Traceless
 xyz
x -6.124 0.000 0.000
y 0.000 -6.124 0.000
z 0.000 0.000 12.247
Polar
3z2-r224.495
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 17.152 0.000 0.000
y 0.000 17.152 0.000
z 0.000 0.000 11.318


<r2> (average value of r2) Å2
<r2> 386.674
(<r2>)1/2 19.664