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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-1802.366949
Energy at 298.15K 
HF Energy-1802.366949
Nuclear repulsion energy709.205780
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 BLYP/3-21G
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 563 559 0.00      
2 A1 466 464 0.00      
3 A1 143 142 0.00      
4 A2 348 346 0.00      
5 A2 95i 95i 0.00      
6 B1 514 511 0.00      
7 B1 263 262 0.00      
8 B2 701 697 1.88      
9 B2 434 432 46.22      
10 B2 138 138 0.36      
11 E 557 554 18.02      
11 E 557 554 18.02      
12 E 475 472 8.72      
12 E 475 472 8.72      
13 E 394 391 6.18      
13 E 394 391 6.18      
14 E 168 167 12.71      
14 E 168 167 12.71      

Unscaled Zero Point Vibrational Energy (zpe) 3331.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3313.2 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 BLYP/3-21G
ABC
0.04041 0.04041 0.03046

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.472 1.472 0.000
N2 -1.472 1.472 0.000
N3 -1.472 -1.472 0.000
N4 1.472 -1.472 0.000
S5 0.000 1.559 1.048
S6 0.000 -1.559 1.048
S7 1.559 0.000 -1.048
S8 -1.559 0.000 -1.048

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.94464.16432.94461.80913.52881.80913.5288
N22.94462.94464.16431.80913.52883.52881.8091
N34.16432.94462.94463.52881.80913.52881.8091
N42.94464.16432.94463.52881.80911.80913.5288
S51.80911.80913.52883.52883.11733.04143.0414
S63.52883.52881.80911.80913.11733.04143.0414
S71.80913.52883.52881.80913.04143.04143.1173
S83.52881.80911.80913.52883.04143.04143.1173

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 108.940 N1 S7 N4 108.940
N2 S8 N3 108.940 N3 S6 N4 108.940
S5 N1 S7 114.402 S5 N2 S8 114.402
S6 N3 S8 114.402 S6 N4 S7 114.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.557      
2 N -0.557      
3 N -0.557      
4 N -0.557      
5 S 0.557      
6 S 0.557      
7 S 0.557      
8 S 0.557      


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 -79.705 0.000 0.000
y 0.000 -79.705 0.000
z 0.000 0.000 -70.651
Traceless
 xyz
x -4.527 0.000 0.000
y 0.000 -4.527 0.000
z 0.000 0.000 9.053
Polar
3z2-r218.107
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 16.080 0.000 0.000
y 0.000 16.080 0.000
z 0.000 0.000 10.828


<r2> (average value of r2) Å2
<r2> 395.031
(<r2>)1/2 19.875