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

using model chemistry: TPSSh/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-1802.459711
Energy at 298.15K-1802.462633
HF Energy-1802.459711
Nuclear repulsion energy727.168796
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 TPSSh/3-21G
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 589 571 0.00      
2 A1 502 487 0.00      
3 A1 175 170 0.00      
4 A2 459 445 0.00      
5 A2 126 122 0.00      
6 B1 550 532 0.00      
7 B1 285 277 0.00      
8 B2 767 743 2.94      
9 B2 450 436 57.76      
10 B2 172 167 0.37      
11 E 612 593 13.79      
11 E 612 593 13.79      
12 E 524 508 16.79      
12 E 524 508 16.79      
13 E 420 407 9.80      
13 E 420 407 9.80      
14 E 172 167 16.88      
14 E 172 167 16.88      

Unscaled Zero Point Vibrational Energy (zpe) 3765.6 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 3648.1 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 TPSSh/3-21G
ABC
0.04231 0.04231 0.03282

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.432 1.432 0.000
N2 -1.432 1.432 0.000
N3 -1.432 -1.432 0.000
N4 1.432 -1.432 0.000
S5 0.000 1.490 1.052
S6 0.000 -1.490 1.052
S7 1.490 0.000 -1.052
S8 -1.490 0.000 -1.052

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.86464.05112.86461.77823.42021.77823.4202
N22.86462.86464.05111.77823.42023.42021.7782
N34.05112.86462.86463.42021.77823.42021.7782
N42.86464.05112.86463.42021.77821.77823.4202
S51.77821.77823.42023.42022.97982.97802.9780
S63.42023.42021.77821.77822.97982.97802.9780
S71.77823.42023.42021.77822.97802.97802.9798
S83.42021.77821.77823.42022.97802.97802.9798

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 107.312 N1 S7 N4 107.312
N2 S8 N3 107.312 N3 S6 N4 107.312
S5 N1 S7 113.727 S5 N2 S8 113.727
S6 N3 S8 113.727 S6 N4 S7 113.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.629      
2 N -0.629      
3 N -0.629      
4 N -0.629      
5 S 0.629      
6 S 0.629      
7 S 0.629      
8 S 0.629      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.420 0.000 0.000
y 0.000 15.420 0.000
z 0.000 0.000 10.696


<r2> (average value of r2) Å2
<r2> 376.013
(<r2>)1/2 19.391