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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-1811.568343
Energy at 298.15K-1811.572369
HF Energy-1811.568343
Nuclear repulsion energy772.549339
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 BLYP/6-31G(2df,p)
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 649 645 0.00      
2 A1 550 547 0.00      
3 A1 165 164 0.00      
4 A2 654 650 0.00      
5 A2 217 215 0.00      
6 B1 667 664 0.00      
7 B1 316 314 0.00      
8 B2 884 879 43.26      
9 B2 518 515 48.75      
10 B2 135 134 0.15      
11 E 699 695 0.01      
11 E 699 695 0.01      
12 E 637 634 70.39      
12 E 637 634 70.39      
13 E 482 479 7.51      
13 E 482 479 7.51      
14 E 283 281 15.00      
14 E 283 281 15.00      

Unscaled Zero Point Vibrational Energy (zpe) 4477.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4452.6 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 BLYP/6-31G(2df,p)
ABC
0.04781 0.04781 0.03615

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.340 1.340 0.000
N2 -1.340 1.340 0.000
N3 -1.340 -1.340 0.000
N4 1.340 -1.340 0.000
S5 0.000 1.440 0.967
S6 0.000 -1.440 0.967
S7 1.440 0.000 -0.967
S8 -1.440 0.000 -0.967

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.67943.78932.67941.65503.23371.65503.2337
N22.67942.67943.78931.65503.23373.23371.6550
N33.78932.67942.67943.23371.65503.23371.6550
N42.67943.78932.67943.23371.65501.65503.2337
S51.65501.65503.23373.23372.88032.80802.8080
S63.23373.23371.65501.65502.88032.80802.8080
S71.65503.23373.23371.65502.80802.80802.8803
S83.23371.65501.65503.23372.80802.80802.8803

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 108.090 N1 S7 N4 108.090
N2 S8 N3 108.090 N3 S6 N4 108.090
S5 N1 S7 116.060 S5 N2 S8 116.060
S6 N3 S8 116.060 S6 N4 S7 116.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.185      
2 N -0.185      
3 N -0.185      
4 N -0.185      
5 S 0.185      
6 S 0.185      
7 S 0.185      
8 S 0.185      


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 -75.197 0.000 0.000
y 0.000 -75.197 0.000
z 0.000 0.000 -67.387
Traceless
 xyz
x -3.905 0.000 0.000
y 0.000 -3.905 0.000
z 0.000 0.000 7.811
Polar
3z2-r215.621
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 15.930 0.000 0.000
y 0.000 15.930 0.000
z 0.000 0.000 11.832


<r2> (average value of r2) Å2
<r2> 338.379
(<r2>)1/2 18.395