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

using model chemistry: B2PLYP/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 B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-1810.933858
Energy at 298.15K-1810.938363
HF Energy-1810.395421
Nuclear repulsion energy786.733291
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 B2PLYP/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 700 669 0.00      
2 A1 566 540 0.00      
3 A1 179 170 0.00      
4 A2 739 706 0.00      
5 A2 240 229 0.00      
6 B1 722 690 0.00      
7 B1 330 315 0.00      
8 B2 958 915 52.47      
9 B2 542 518 58.28      
10 B2 155 148 0.29      
11 E 810 773 3.30      
11 E 810 773 3.30      
12 E 694 663 66.89      
12 E 694 663 66.89      
13 E 505 482 10.34      
13 E 505 482 10.34      
14 E 309 295 11.73      
14 E 309 295 11.73      

Unscaled Zero Point Vibrational Energy (zpe) 4883.2 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 4663.4 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 B2PLYP/6-31G(2df,p)
ABC
0.04946 0.04946 0.03808

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.314 1.314 0.000
N2 -1.314 1.314 0.000
N3 -1.314 -1.314 0.000
N4 1.314 -1.314 0.000
S5 0.000 1.396 0.967
S6 0.000 -1.396 0.967
S7 1.396 0.000 -0.967
S8 -1.396 0.000 -0.967

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62793.71642.62791.63333.16321.63333.1632
N22.62792.62793.71641.63333.16323.16321.6333
N33.71642.62792.62793.16321.63333.16321.6333
N42.62793.71642.62793.16321.63331.63333.1632
S51.63331.63333.16323.16322.79242.76342.7634
S63.16323.16321.63331.63332.79242.76342.7634
S71.63333.16323.16321.63332.76342.76342.7924
S83.16321.63331.63333.16322.76342.76342.7924

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 107.119 N1 S7 N4 107.119
N2 S8 N3 107.119 N3 S6 N4 107.119
S5 N1 S7 115.550 S5 N2 S8 115.550
S6 N3 S8 115.550 S6 N4 S7 115.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.254      
2 N -0.254      
3 N -0.254      
4 N -0.254      
5 S 0.254      
6 S 0.254      
7 S 0.254      
8 S 0.254      


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 -75.710 0.000 0.000
y 0.000 -75.710 0.000
z 0.000 0.000 -67.537
Traceless
 xyz
x -4.086 0.000 0.000
y 0.000 -4.086 0.000
z 0.000 0.000 8.172
Polar
3z2-r216.345
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 15.160 0.000 0.000
y 0.000 15.160 0.000
z 0.000 0.000 11.578


<r2> (average value of r2) Å2
<r2> 326.829
(<r2>)1/2 18.078