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

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-1805.940539
Energy at 298.15K-1805.943459
HF Energy-1805.940539
Nuclear repulsion energy728.282822
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 LSDA/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 588 576 0.00      
2 A1 501 491 0.00      
3 A1 159 155 0.00      
4 A2 471 461 0.00      
5 A2 124 121 0.00      
6 B1 547 536 0.00      
7 B1 277 271 0.00      
8 B2 787 771 9.55      
9 B2 458 449 64.37      
10 B2 146 143 0.38      
11 E 652 639 4.74      
11 E 652 639 4.74      
12 E 523 512 26.27      
12 E 523 512 26.27      
13 E 411 403 12.83      
13 E 411 403 12.83      
14 E 189 186 15.65      
14 E 189 186 15.65      

Unscaled Zero Point Vibrational Energy (zpe) 3804.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 3726.7 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 LSDA/6-31G
ABC
0.04237 0.04237 0.03279

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.421 1.421 0.000
N2 -1.421 1.421 0.000
N3 -1.421 -1.421 0.000
N4 1.421 -1.421 0.000
S5 0.000 1.500 1.050
S6 0.000 -1.500 1.050
S7 1.500 0.000 -1.050
S8 -1.500 0.000 -1.050

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.84154.01852.84151.76823.41371.76823.4137
N22.84152.84154.01851.76823.41373.41371.7682
N34.01852.84152.84153.41371.76823.41371.7682
N42.84154.01852.84153.41371.76821.76823.4137
S51.76821.76823.41373.41373.00082.98482.9848
S63.41373.41371.76821.76823.00082.98482.9848
S71.76823.41373.41371.76822.98482.98483.0008
S83.41371.76821.76823.41372.98482.98483.0008

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 106.932 N1 S7 N4 106.932
N2 S8 N3 106.932 N3 S6 N4 106.932
S5 N1 S7 115.135 S5 N2 S8 115.135
S6 N3 S8 115.135 S6 N4 S7 115.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.647      
2 N -0.647      
3 N -0.647      
4 N -0.647      
5 S 0.647      
6 S 0.647      
7 S 0.647      
8 S 0.647      


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 -81.257 0.000 0.000
y 0.000 -81.257 0.000
z 0.000 0.000 -69.259
Traceless
 xyz
x -5.999 0.000 0.000
y 0.000 -5.999 0.000
z 0.000 0.000 11.997
Polar
3z2-r223.994
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 16.483 0.000 0.000
y 0.000 16.483 0.000
z 0.000 0.000 11.468


<r2> (average value of r2) Å2
<r2> 375.878
(<r2>)1/2 19.388