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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1785.676493
Energy at 298.15K-1785.679969
HF Energy-1785.676493
Nuclear repulsion energy754.217413
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/STO-3G
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 733 656 0.00      
2 A1 537 480 0.00      
3 A1 251 225 0.00      
4 A2 549 491 0.00      
5 A2 190 170 0.00      
6 B1 701 628 0.00      
7 B1 314 281 0.00      
8 B2 925 828 1.41      
9 B2 483 433 44.48      
10 B2 242 217 0.00      
11 E 806 722 5.35      
11 E 806 722 5.35      
12 E 666 597 7.50      
12 E 666 597 7.50      
13 E 450 403 1.91      
13 E 450 403 1.91      
14 E 205 183 14.05      
14 E 205 183 14.05      

Unscaled Zero Point Vibrational Energy (zpe) 4589.3 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 4109.7 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/STO-3G
ABC
0.04506 0.04506 0.03763

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.382 1.382 0.000
N2 -1.382 1.382 0.000
N3 -1.382 -1.382 0.000
N4 1.382 -1.382 0.000
S5 0.000 1.353 1.083
S6 0.000 -1.353 1.083
S7 1.353 0.000 -1.083
S8 -1.353 0.000 -1.083

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.76473.90982.76471.75663.25031.75663.2503
N22.76472.76473.90981.75663.25033.25031.7566
N33.90982.76472.76473.25031.75663.25031.7566
N42.76473.90982.76473.25031.75661.75663.2503
S51.75661.75663.25033.25032.70522.89032.8903
S63.25033.25031.75661.75662.70522.89032.8903
S71.75663.25033.25031.75662.89032.89032.7052
S83.25031.75661.75663.25032.89032.89032.7052

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 103.805 N1 S7 N4 103.805
N2 S8 N3 103.805 N3 S6 N4 103.805
S5 N1 S7 110.718 S5 N2 S8 110.718
S6 N3 S8 110.718 S6 N4 S7 110.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.358      
2 N -0.358      
3 N -0.358      
4 N -0.358      
5 S 0.358      
6 S 0.358      
7 S 0.358      
8 S 0.358      


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 -70.870 0.000 0.000
y 0.000 -70.870 0.000
z 0.000 0.000 -60.017
Traceless
 xyz
x -5.427 0.000 0.000
y 0.000 -5.427 0.000
z 0.000 0.000 10.853
Polar
3z2-r221.706
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 9.407 0.000 0.000
y 0.000 9.407 0.000
z 0.000 0.000 6.114


<r2> (average value of r2) Å2
<r2> 341.222
(<r2>)1/2 18.472