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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-1811.540709
Energy at 298.15K-1811.545588
HF Energy-1811.540709
Nuclear repulsion energy799.933012
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 B3PW91/cc-pVTZ
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 743 715 0.00      
2 A1 580 557 0.00      
3 A1 215 207 0.00      
4 A2 760 731 0.00      
5 A2 270 259 0.00      
6 B1 757 728 0.00      
7 B1 350 336 0.00      
8 B2 981 944 71.80      
9 B2 565 543 62.45      
10 B2 181 174 0.67      
11 E 793 763 3.17      
11 E 793 763 3.17      
12 E 730 702 99.83      
12 E 730 702 99.83      
13 E 530 510 5.29      
13 E 530 510 5.29      
14 E 336 323 20.07      
14 E 336 323 20.07      

Unscaled Zero Point Vibrational Energy (zpe) 5089.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 4894.0 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 B3PW91/cc-pVTZ
ABC
0.05099 0.05099 0.04056

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.298 1.298 0.000
N2 -1.298 1.298 0.000
N3 -1.298 -1.298 0.000
N4 1.298 -1.298 0.000
S5 0.000 1.332 0.980
S6 0.000 -1.332 0.980
S7 1.332 0.000 -0.980
S8 -1.332 0.000 -0.980

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.59623.67152.59621.62673.09231.62673.0923
N22.59622.59623.67151.62673.09233.09231.6267
N33.67152.59622.59623.09231.62673.09231.6267
N42.59623.67152.59623.09231.62671.62673.0923
S51.62671.62673.09233.09232.66402.71822.7182
S63.09233.09231.62671.62672.66402.71822.7182
S71.62673.09233.09231.62672.71822.71822.6640
S83.09231.62671.62673.09232.71822.71822.6640

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 105.875 N1 S7 N4 105.875
N2 S8 N3 105.875 N3 S6 N4 105.875
S5 N1 S7 113.334 S5 N2 S8 113.334
S6 N3 S8 113.334 S6 N4 S7 113.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.383      
2 N -0.383      
3 N -0.383      
4 N -0.383      
5 S 0.383      
6 S 0.383      
7 S 0.383      
8 S 0.383      


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 -76.337 0.000 0.000
y 0.000 -76.337 0.000
z 0.000 0.000 -66.365
Traceless
 xyz
x -4.986 0.000 0.000
y 0.000 -4.986 0.000
z 0.000 0.000 9.971
Polar
3z2-r219.943
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 15.307 0.000 0.000
y 0.000 15.307 0.000
z 0.000 0.000 11.815


<r2> (average value of r2) Å2
<r2> 314.957
(<r2>)1/2 17.747