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

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-1810.669250
Energy at 298.15K-1810.673303
HF Energy-1810.669250
Nuclear repulsion energy771.057233
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 PBEPBEultrafine/6-31+G**
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 662 655 0.00      
2 A1 548 542 0.00      
3 A1 167 166 0.00      
4 A2 667 660 0.00      
5 A2 212 210 0.00      
6 B1 675 667 0.00      
7 B1 308 304 0.00      
8 B2 910 900 39.42      
9 B2 531 525 66.13      
10 B2 140 139 0.02      
11 E 734 725 0.08      
11 E 734 725 0.08      
12 E 646 638 90.03      
12 E 646 638 90.03      
13 E 474 468 9.01      
13 E 474 468 9.01      
14 E 275 272 19.25      
14 E 275 272 19.25      

Unscaled Zero Point Vibrational Energy (zpe) 4538.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 4486.3 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 PBEPBEultrafine/6-31+G**
ABC
0.04758 0.04758 0.03609

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31+G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.340 1.340 0.000
N2 -1.340 1.340 0.000
N3 -1.340 -1.340 0.000
N4 1.340 -1.340 0.000
S5 0.000 1.442 0.972
S6 0.000 -1.442 0.972
S7 1.442 0.000 -0.972
S8 -1.442 0.000 -0.972

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.67963.78952.67961.65833.23711.65833.2371
N22.67962.67963.78951.65833.23713.23711.6583
N33.78952.67962.67963.23711.65833.23711.6583
N42.67963.78952.67963.23711.65831.65833.2371
S51.65831.65833.23713.23712.88452.81732.8173
S63.23713.23711.65831.65832.88452.81732.8173
S71.65833.23713.23711.65832.81732.81732.8845
S83.23711.65831.65833.23712.81732.81732.8845

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 107.790 N1 S7 N4 107.790
N2 S8 N3 107.790 N3 S6 N4 107.790
S5 N1 S7 116.311 S5 N2 S8 116.311
S6 N3 S8 116.311 S6 N4 S7 116.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.474      
2 N -0.474      
3 N -0.474      
4 N -0.474      
5 S 0.474      
6 S 0.474      
7 S 0.474      
8 S 0.474      


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 -78.400 0.000 0.000
y 0.000 -78.400 0.000
z 0.000 0.000 -68.254
Traceless
 xyz
x -5.073 0.000 0.000
y 0.000 -5.073 0.000
z 0.000 0.000 10.146
Polar
3z2-r220.292
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 17.641 0.000 0.000
y 0.000 17.641 0.000
z 0.000 0.000 12.596


<r2> (average value of r2) Å2
<r2> 340.935
(<r2>)1/2 18.464