return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-1811.521641
Energy at 298.15K-1811.525261
HF Energy-1811.521641
Nuclear repulsion energy756.363505
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/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 620 617 0.00      
2 A1 537 534 0.00      
3 A1 152 151 0.00      
4 A2 593 590 0.00      
5 A2 183 182 0.00      
6 B1 624 620 0.00      
7 B1 297 295 0.00      
8 B2 860 856 35.72      
9 B2 512 509 62.62      
10 B2 125 124 0.00      
11 E 662 659 4.28      
11 E 662 659 4.28      
12 E 594 591 82.41      
12 E 594 591 82.41      
13 E 461 458 9.16      
13 E 461 458 9.16      
14 E 252 251 22.00      
14 E 252 251 22.00      

Unscaled Zero Point Vibrational Energy (zpe) 4220.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 4198.0 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 BLYP/6-31+G**
ABC
0.04589 0.04589 0.03388

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.364 1.364 0.000
N2 -1.364 1.364 0.000
N3 -1.364 -1.364 0.000
N4 1.364 -1.364 0.000
S5 0.000 1.504 0.963
S6 0.000 -1.504 0.963
S7 1.504 0.000 -0.963
S8 -1.504 0.000 -0.963

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.72723.85682.72721.67523.31791.67523.3179
N22.72722.72723.85681.67523.31793.31791.6752
N33.85682.72722.72723.31791.67523.31791.6752
N42.72723.85682.72723.31791.67521.67523.3179
S51.67521.67523.31793.31793.00762.86922.8692
S63.31793.31791.67521.67523.00762.86922.8692
S71.67523.31793.31791.67522.86922.86923.0076
S83.31791.67521.67523.31792.86922.86923.0076

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 108.974 N1 S7 N4 108.974
N2 S8 N3 108.974 N3 S6 N4 108.974
S5 N1 S7 117.820 S5 N2 S8 117.820
S6 N3 S8 117.820 S6 N4 S7 117.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.505      
2 N -0.505      
3 N -0.505      
4 N -0.505      
5 S 0.505      
6 S 0.505      
7 S 0.505      
8 S 0.505      


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 -78.821 0.000 0.000
y 0.000 -78.821 0.000
z 0.000 0.000 -68.817
Traceless
 xyz
x -5.002 0.000 0.000
y 0.000 -5.002 0.000
z 0.000 0.000 10.004
Polar
3z2-r220.008
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 18.601 0.000 0.000
y 0.000 18.601 0.000
z 0.000 0.000 12.872


<r2> (average value of r2) Å2
<r2> 355.351
(<r2>)1/2 18.851