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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-1807.669935
Energy at 298.15K-1807.675624
HF Energy-1807.669935
Nuclear repulsion energy821.204715
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/TZVP
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 830 754 0.00      
2 A1 642 583 0.00      
3 A1 271 247 0.00      
4 A2 856 778 0.00      
5 A2 339 308 0.00      
6 B1 828 753 0.00      
7 B1 417 379 0.00      
8 B2 1063 966 131.89      
9 B2 646 587 107.42      
10 B2 224 203 2.64      
11 E 833 757 46.30      
11 E 833 757 46.30      
12 E 798 725 142.33      
12 E 798 725 142.33      
13 E 620 564 0.03      
13 E 620 564 0.03      
14 E 411 373 58.90      
14 E 411 373 58.90      

Unscaled Zero Point Vibrational Energy (zpe) 5720.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 5197.7 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 HF/TZVP
ABC
0.05342 0.05342 0.04469

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.271 1.271 0.000
N2 -1.271 1.271 0.000
N3 -1.271 -1.271 0.000
N4 1.271 -1.271 0.000
S5 0.000 1.238 0.996
S6 0.000 -1.238 0.996
S7 1.238 0.000 -0.996
S8 -1.238 0.000 -0.996

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.54283.59612.54281.61562.98461.61562.9846
N22.54282.54283.59611.61562.98462.98461.6156
N33.59612.54282.54282.98461.61562.98461.6156
N42.54283.59612.54282.98461.61561.61562.9846
S51.61561.61562.98462.98462.47672.65282.6528
S62.98462.98461.61561.61562.47672.65282.6528
S71.61562.98462.98461.61562.65282.65282.4767
S82.98461.61561.61562.98462.65282.65282.4767

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 103.803 N1 S7 N4 103.803
N2 S8 N3 103.803 N3 S6 N4 103.803
S5 N1 S7 110.369 S5 N2 S8 110.369
S6 N3 S8 110.369 S6 N4 S7 110.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.501      
2 N -0.501      
3 N -0.501      
4 N -0.501      
5 S 0.501      
6 S 0.501      
7 S 0.501      
8 S 0.501      


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 -81.531 0.000 0.000
y 0.000 -81.531 0.000
z 0.000 0.000 -65.370
Traceless
 xyz
x -8.081 0.000 0.000
y 0.000 -8.081 0.000
z 0.000 0.000 16.162
Polar
3z2-r232.323
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 14.248 0.000 0.000
y 0.000 14.248 0.000
z 0.000 0.000 10.643


<r2> (average value of r2) Å2
<r2> 299.754
(<r2>)1/2 17.313