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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-1810.653032
Energy at 298.15K-1810.657033
HF Energy-1810.653032
Nuclear repulsion energy770.524717
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 PBEPBE/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 662 653 0.00      
2 A1 551 543 0.00      
3 A1 165 163 0.00      
4 A2 662 653 0.00      
5 A2 207 204 0.00      
6 B1 680 670 0.00      
7 B1 313 309 0.00      
8 B2 909 896 42.16      
9 B2 529 521 71.45      
10 B2 140 138 0.00      
11 E 729 718 0.18      
11 E 729 718 0.18      
12 E 649 639 79.45      
12 E 649 639 79.45      
13 E 475 469 11.17      
13 E 475 469 11.17      
14 E 271 267 18.15      
14 E 271 267 18.15      

Unscaled Zero Point Vibrational Energy (zpe) 4531.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 4467.1 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 PBEPBE/6-31G*
ABC
0.04756 0.04756 0.03595

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.343 1.343 0.000
N2 -1.343 1.343 0.000
N3 -1.343 -1.343 0.000
N4 1.343 -1.343 0.000
S5 0.000 1.444 0.969
S6 0.000 -1.444 0.969
S7 1.444 0.000 -0.969
S8 -1.444 0.000 -0.969

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.68663.79952.68661.65933.24241.65933.2424
N22.68662.68663.79951.65933.24243.24241.6593
N33.79952.68662.68663.24241.65933.24241.6593
N42.68663.79952.68663.24241.65931.65933.2424
S51.65931.65933.24243.24242.88832.81522.8152
S63.24243.24241.65931.65932.88832.81522.8152
S71.65933.24243.24241.65932.81522.81522.8883
S83.24241.65931.65933.24242.81522.81522.8883

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 108.109 N1 S7 N4 108.109
N2 S8 N3 108.109 N3 S6 N4 108.109
S5 N1 S7 116.059 S5 N2 S8 116.059
S6 N3 S8 116.059 S6 N4 S7 116.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.583      
2 N -0.583      
3 N -0.583      
4 N -0.583      
5 S 0.583      
6 S 0.583      
7 S 0.583      
8 S 0.583      


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 -76.943 0.000 0.000
y 0.000 -76.943 0.000
z 0.000 0.000 -67.498
Traceless
 xyz
x -4.722 0.000 0.000
y 0.000 -4.722 0.000
z 0.000 0.000 9.445
Polar
3z2-r218.889
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 15.465 0.000 0.000
y 0.000 15.465 0.000
z 0.000 0.000 10.865


<r2> (average value of r2) Å2
<r2> 340.690
(<r2>)1/2 18.458