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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-1811.305428
Energy at 298.15K-1811.308038
HF Energy-1811.305428
Nuclear repulsion energy722.235380
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 B3LYP/SDD
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 565 544 0.00      
2 A1 508 488 0.00      
3 A1 150 144 0.00      
4 A2 446 429 0.00      
5 A2 109 105 0.00      
6 B1 481 463 0.00      
7 B1 283 272 0.00      
8 B2 790 759 12.66      
9 B2 456 438 65.42      
10 B2 133 128 0.58      
11 E 595 572 18.97      
11 E 595 572 18.97      
12 E 463 445 21.07      
12 E 463 445 21.07      
13 E 428 411 10.86      
13 E 428 411 10.86      
14 E 178 171 32.98      
14 E 178 171 32.98      

Unscaled Zero Point Vibrational Energy (zpe) 3623.2 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 3483.0 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 B3LYP/SDD
ABC
0.04169 0.04169 0.03162

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.424 1.424 0.000
N2 -1.424 1.424 0.000
N3 -1.424 -1.424 0.000
N4 1.424 -1.424 0.000
S5 0.000 1.547 1.038
S6 0.000 -1.547 1.038
S7 1.547 0.000 -1.038
S8 -1.547 0.000 -1.038

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.84824.02792.84821.76653.45411.76653.4541
N22.84822.84824.02791.76653.45413.45411.7665
N34.02792.84822.84823.45411.76653.45411.7665
N42.84824.02792.84823.45411.76651.76653.4541
S51.76651.76653.45413.45413.09343.01573.0157
S63.45413.45411.76651.76653.09343.01573.0157
S71.76653.45413.45411.76653.01573.01573.0934
S83.45411.76651.76653.45413.01573.01573.0934

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 107.444 N1 S7 N4 107.444
N2 S8 N3 107.444 N3 S6 N4 107.444
S5 N1 S7 117.205 S5 N2 S8 117.205
S6 N3 S8 117.205 S6 N4 S7 117.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.620      
2 N -0.620      
3 N -0.620      
4 N -0.620      
5 S 0.620      
6 S 0.620      
7 S 0.620      
8 S 0.620      


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 -82.956 0.000 0.000
y 0.000 -82.956 0.000
z 0.000 0.000 -69.609
Traceless
 xyz
x -6.673 0.000 0.000
y 0.000 -6.673 0.000
z 0.000 0.000 13.346
Polar
3z2-r226.692
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 17.203 0.000 0.000
y 0.000 17.203 0.000
z 0.000 0.000 10.853


<r2> (average value of r2) Å2
<r2> 384.668
(<r2>)1/2 19.613