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

using model chemistry: B3PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-1811.439722
Energy at 298.15K-1811.444363
HF Energy-1811.439722
Nuclear repulsion energy788.926717
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/TZVP
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 720 695 0.00      
2 A1 569 549 0.00      
3 A1 198 191 0.00      
4 A2 725 699 0.00      
5 A2 255 246 0.00      
6 B1 724 698 0.00      
7 B1 341 329 0.00      
8 B2 968 933 59.13      
9 B2 565 545 75.96      
10 B2 169 163 0.41      
11 E 769 741 0.03      
11 E 769 741 0.03      
12 E 700 675 113.71      
12 E 700 675 113.71      
13 E 509 491 5.02      
13 E 509 491 5.02      
14 E 320 309 27.04      
14 E 320 309 27.04      

Unscaled Zero Point Vibrational Energy (zpe) 4914.7 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 4739.3 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/TZVP
ABC
0.04960 0.04960 0.03909

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.311 1.311 0.000
N2 -1.311 1.311 0.000
N3 -1.311 -1.311 0.000
N4 1.311 -1.311 0.000
S5 0.000 1.366 0.986
S6 0.000 -1.366 0.986
S7 1.366 0.000 -0.986
S8 -1.366 0.000 -0.986

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62213.70822.62211.64123.13981.64123.1398
N22.62212.62213.70821.64123.13983.13981.6412
N33.70822.62212.62213.13981.64123.13981.6412
N42.62213.70822.62213.13981.64121.64123.1398
S51.64121.64123.13983.13982.73252.76032.7603
S63.13983.13981.64121.64122.73252.76032.7603
S71.64123.13983.13981.64122.76032.76032.7325
S83.13981.64121.64123.13982.76032.76032.7325

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 106.043 N1 S7 N4 106.043
N2 S8 N3 106.043 N3 S6 N4 106.043
S5 N1 S7 114.482 S5 N2 S8 114.482
S6 N3 S8 114.482 S6 N4 S7 114.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.396      
2 N -0.396      
3 N -0.396      
4 N -0.396      
5 S 0.396      
6 S 0.396      
7 S 0.396      
8 S 0.396      


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 -78.658 0.000 0.000
y 0.000 -78.658 0.000
z 0.000 0.000 -66.577
Traceless
 xyz
x -6.040 0.000 0.000
y 0.000 -6.040 0.000
z 0.000 0.000 12.081
Polar
3z2-r224.162
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 15.881 0.000 0.000
y 0.000 15.881 0.000
z 0.000 0.000 11.639


<r2> (average value of r2) Å2
<r2> 324.508
(<r2>)1/2 18.014