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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-1807.513576
Energy at 298.15K-1807.518997
HF Energy-1807.513576
Nuclear repulsion energy815.138532
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 HF/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 824 744 0.00      
2 A1 646 583 0.00      
3 A1 245 222 0.00      
4 A2 874 789 0.00      
5 A2 328 296 0.00      
6 B1 833 752 0.00      
7 B1 407 367 0.00      
8 B2 1097 991 152.06      
9 B2 642 580 132.12      
10 B2 196 177 2.24      
11 E 825 745 97.85      
11 E 825 745 97.85      
12 E 780 704 107.66      
12 E 780 704 107.66      
13 E 607 548 1.73      
13 E 607 548 1.73      
14 E 356 322 83.87      
14 E 356 322 83.87      

Unscaled Zero Point Vibrational Energy (zpe) 5614.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 5067.6 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 HF/6-31G**
ABC
0.05277 0.05277 0.04291

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.273 1.273 0.000
N2 -1.273 1.273 0.000
N3 -1.273 -1.273 0.000
N4 1.273 -1.273 0.000
S5 0.000 1.286 0.981
S6 0.000 -1.286 0.981
S7 1.286 0.000 -0.981
S8 -1.286 0.000 -0.981

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.54563.60002.54561.60693.02111.60693.0211
N22.54562.54563.60001.60693.02113.02111.6069
N33.60002.54562.54563.02111.60693.02111.6069
N42.54563.60002.54563.02111.60691.60693.0211
S51.60691.60693.02113.02112.57112.67462.6746
S63.02113.02111.60691.60692.57112.67462.6746
S71.60693.02113.02111.60692.67462.67462.5711
S83.02111.60691.60693.02112.67462.67462.5711

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 104.759 N1 S7 N4 104.759
N2 S8 N3 104.759 N3 S6 N4 104.759
S5 N1 S7 112.653 S5 N2 S8 112.653
S6 N3 S8 112.653 S6 N4 S7 112.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.805      
2 N -0.805      
3 N -0.805      
4 N -0.805      
5 S 0.805      
6 S 0.805      
7 S 0.805      
8 S 0.805      


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 -80.603 0.000 0.000
y 0.000 -80.603 0.000
z 0.000 0.000 -65.970
Traceless
 xyz
x -7.316 0.000 0.000
y 0.000 -7.316 0.000
z 0.000 0.000 14.633
Polar
3z2-r229.265
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 13.962 0.000 0.000
y 0.000 13.962 0.000
z 0.000 0.000 9.711


<r2> (average value of r2) Å2
<r2> 305.355
(<r2>)1/2 17.474