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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1810.728058
Energy at 298.15K-1810.732521
HF Energy-1810.728058
Nuclear repulsion energy788.826917
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/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 698 691 0.00      
2 A1 557 551 0.00      
3 A1 191 189 0.00      
4 A2 713 706 0.00      
5 A2 243 241 0.00      
6 B1 721 714 0.00      
7 B1 329 326 0.00      
8 B2 924 914 47.93      
9 B2 535 529 50.55      
10 B2 163 161 0.31      
11 E 767 759 2.13      
11 E 767 759 2.13      
12 E 690 683 71.81      
12 E 690 683 71.81      
13 E 498 493 6.72      
13 E 498 493 6.72      
14 E 308 305 12.33      
14 E 308 305 12.33      

Unscaled Zero Point Vibrational Energy (zpe) 4799.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4750.1 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/6-31G(2df,p)
ABC
0.04970 0.04970 0.03890

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.318 1.318 0.000
N2 -1.318 1.318 0.000
N3 -1.318 -1.318 0.000
N4 1.318 -1.318 0.000
S5 0.000 1.367 0.979
S6 0.000 -1.367 0.979
S7 1.367 0.000 -0.979
S8 -1.367 0.000 -0.979

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.63573.72752.63571.64223.14651.64223.1465
N22.63572.63573.72751.64223.14653.14651.6422
N33.72752.63572.63573.14651.64223.14651.6422
N42.63573.72752.63573.14651.64221.64223.1465
S51.64221.64223.14653.14652.73312.75052.7505
S63.14653.14651.64221.64222.73312.75052.7505
S71.64223.14653.14651.64222.75052.75052.7331
S83.14651.64221.64223.14652.75052.75052.7331

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 106.741 N1 S7 N4 106.741
N2 S8 N3 106.741 N3 S6 N4 106.741
S5 N1 S7 113.745 S5 N2 S8 113.745
S6 N3 S8 113.745 S6 N4 S7 113.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.216      
2 N -0.216      
3 N -0.216      
4 N -0.216      
5 S 0.216      
6 S 0.216      
7 S 0.216      
8 S 0.216      


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 -75.071 0.000 0.000
y 0.000 -75.071 0.000
z 0.000 0.000 -66.894
Traceless
 xyz
x -4.089 0.000 0.000
y 0.000 -4.089 0.000
z 0.000 0.000 8.177
Polar
3z2-r216.354
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 15.176 0.000 0.000
y 0.000 15.176 0.000
z 0.000 0.000 11.848


<r2> (average value of r2) Å2
<r2> 323.245
(<r2>)1/2 17.979