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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-1811.237277
Energy at 298.15K 
HF Energy-1811.237277
Nuclear repulsion energy699.848191
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 BLYP/6-31G
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 551 547 0.00      
2 A1 454 450 0.00      
3 A1 123 122 0.00      
4 A2 330 327 0.00      
5 A2 119i 118i 0.00      
6 B1 496 492 0.00      
7 B1 252 250 0.00      
8 B2 698 693 5.48      
9 B2 424 421 49.65      
10 B2 108 107 0.44      
11 E 553 548 16.55      
11 E 553 548 16.55      
12 E 451 448 14.41      
12 E 451 448 14.41      
13 E 381 378 6.48      
13 E 381 378 6.48      
14 E 151 150 15.05      
14 E 151 150 15.05      

Unscaled Zero Point Vibrational Energy (zpe) 3193.0 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 3168.7 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 BLYP/6-31G
ABC
0.03937 0.03937 0.02916

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.485 1.485 0.000
N2 -1.485 1.485 0.000
N3 -1.485 -1.485 0.000
N4 1.485 -1.485 0.000
S5 0.000 1.609 1.043
S6 0.000 -1.609 1.043
S7 1.609 0.000 -1.043
S8 -1.609 0.000 -1.043

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.97024.20052.97021.81913.58681.81913.5868
N22.97022.97024.20051.81913.58683.58681.8191
N34.20052.97022.97023.58681.81913.58681.8191
N42.97024.20052.97023.58681.81911.81913.5868
S51.81911.81913.58683.58683.21733.08703.0870
S63.58683.58681.81911.81913.21733.08703.0870
S71.81913.58683.58681.81913.08703.08703.2173
S83.58681.81911.81913.58683.08703.08703.2173

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 109.448 N1 S7 N4 109.448
N2 S8 N3 109.448 N3 S6 N4 109.448
S5 N1 S7 116.092 S5 N2 S8 116.092
S6 N3 S8 116.092 S6 N4 S7 116.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.589      
2 N -0.589      
3 N -0.589      
4 N -0.589      
5 S 0.589      
6 S 0.589      
7 S 0.589      
8 S 0.589      


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 -80.692 0.000 0.000
y 0.000 -80.692 0.000
z 0.000 0.000 -69.961
Traceless
 xyz
x -5.365 0.000 0.000
y 0.000 -5.365 0.000
z 0.000 0.000 10.731
Polar
3z2-r221.461
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 17.880 0.000 0.000
y 0.000 17.880 0.000
z 0.000 0.000 11.675


<r2> (average value of r2) Å2
<r2> 406.954
(<r2>)1/2 20.173