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: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-1802.961995
Energy at 298.15K-1802.966019
HF Energy-1802.961995
Nuclear repulsion energy766.573608
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 B3LYP/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 633 609 0.00      
2 A1 582 560 0.00      
3 A1 165 159 0.00      
4 A2 679 653 0.00      
5 A2 205 198 0.00      
6 B1 630 606 0.00      
7 B1 327 314 0.00      
8 B2 947 911 55.08      
9 B2 537 517 88.30      
10 B2 143 138 0.08      
11 E 675 649 10.61      
11 E 675 649 10.61      
12 E 617 593 73.86      
12 E 617 593 73.86      
13 E 492 473 23.13      
13 E 492 473 23.13      
14 E 284 273 35.15      
14 E 284 273 35.15      

Unscaled Zero Point Vibrational Energy (zpe) 4490.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 4319.7 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 B3LYP/3-21G*
ABC
0.04706 0.04706 0.03473

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.338 1.338 0.000
N2 -1.338 1.338 0.000
N3 -1.338 -1.338 0.000
N4 1.338 -1.338 0.000
S5 0.000 1.492 0.950
S6 0.000 -1.492 0.950
S7 1.492 0.000 -0.950
S8 -1.492 0.000 -0.950

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.67583.78422.67581.64843.27181.64843.2718
N22.67582.67583.78421.64843.27183.27181.6484
N33.78422.67582.67583.27181.64843.27181.6484
N42.67583.78422.67583.27181.64841.64843.2718
S51.64841.64843.27183.27182.98502.84042.8404
S63.27183.27181.64841.64842.98502.84042.8404
S71.64843.27183.27181.64842.84042.84042.9850
S83.27181.64841.64843.27182.84042.84042.9850

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 108.518 N1 S7 N4 108.518
N2 S8 N3 108.518 N3 S6 N4 108.518
S5 N1 S7 118.989 S5 N2 S8 118.989
S6 N3 S8 118.989 S6 N4 S7 118.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.607      
2 N -0.607      
3 N -0.607      
4 N -0.607      
5 S 0.607      
6 S 0.607      
7 S 0.607      
8 S 0.607      


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 -77.484 0.000 0.000
y 0.000 -77.484 0.000
z 0.000 0.000 -67.737
Traceless
 xyz
x -4.874 0.000 0.000
y 0.000 -4.874 0.000
z 0.000 0.000 9.747
Polar
3z2-r219.495
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 14.720 0.000 0.000
y 0.000 14.720 0.000
z 0.000 0.000 9.469


<r2> (average value of r2) Å2
<r2> 346.973
(<r2>)1/2 18.627