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/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1811.671688
Energy at 298.15K-1811.675338
HF Energy-1811.671688
Nuclear repulsion energy757.686440
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/6-311G**
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 618 615 0.00      
2 A1 545 543 0.00      
3 A1 148 148 0.00      
4 A2 587 585 0.00      
5 A2 182 182 0.00      
6 B1 615 612 0.00      
7 B1 303 302 0.00      
8 B2 864 860 44.62      
9 B2 514 512 71.42      
10 B2 119 119 0.00      
11 E 648 646 12.18      
11 E 648 646 12.18      
12 E 588 586 74.69      
12 E 588 586 74.69      
13 E 467 465 11.96      
13 E 467 465 11.96      
14 E 262 260 24.47      
14 E 262 260 24.47      

Unscaled Zero Point Vibrational Energy (zpe) 4211.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 4195.3 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 BLYP/6-311G**
ABC
0.04604 0.04604 0.03392

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.359 1.359 0.000
N2 -1.359 1.359 0.000
N3 -1.359 -1.359 0.000
N4 1.359 -1.359 0.000
S5 0.000 1.506 0.959
S6 0.000 -1.506 0.959
S7 1.506 0.000 -0.959
S8 -1.506 0.000 -0.959

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.71813.84402.71811.66993.31301.66993.3130
N22.71812.71813.84401.66993.31303.31301.6699
N33.84402.71812.71813.31301.66993.31301.6699
N42.71813.84402.71813.31301.66991.66993.3130
S51.66991.66993.31303.31303.01222.86652.8665
S63.31303.31301.66991.66993.01222.86652.8665
S71.66993.31303.31301.66992.86652.86653.0122
S83.31301.66991.66993.31302.86652.86653.0122

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 108.947 N1 S7 N4 108.947
N2 S8 N3 108.947 N3 S6 N4 108.947
S5 N1 S7 118.245 S5 N2 S8 118.245
S6 N3 S8 118.245 S6 N4 S7 118.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.543      
2 N -0.543      
3 N -0.543      
4 N -0.543      
5 S 0.543      
6 S 0.543      
7 S 0.543      
8 S 0.543      


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 -78.796 0.000 0.000
y 0.000 -78.796 0.000
z 0.000 0.000 -68.281
Traceless
 xyz
x -5.257 0.000 0.000
y 0.000 -5.257 0.000
z 0.000 0.000 10.514
Polar
3z2-r221.029
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 17.051 0.000 0.000
y 0.000 17.051 0.000
z 0.000 0.000 11.575


<r2> (average value of r2) Å2
<r2> 354.510
(<r2>)1/2 18.828