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: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-1806.402939
Energy at 298.15K-1806.407528
HF Energy-1806.402939
Nuclear repulsion energy789.787047
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 LSDA/aug-cc-pVDZ
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 716 708 0.00      
2 A1 559 552 0.00      
3 A1 210 208 0.00      
4 A2 718 710 0.00      
5 A2 246 243 0.00      
6 B1 722 714 0.00      
7 B1 327 324 0.00      
8 B2 937 926 37.93      
9 B2 535 529 53.05      
10 B2 181 179 0.32      
11 E 793 785 0.81      
11 E 793 785 0.81      
12 E 697 689 83.75      
12 E 697 689 83.75      
13 E 498 492 5.85      
13 E 498 492 5.85      
14 E 306 302 12.52      
14 E 306 302 12.52      

Unscaled Zero Point Vibrational Energy (zpe) 4870.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 4815.1 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 LSDA/aug-cc-pVDZ
ABC
0.04964 0.04964 0.03975

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.313 1.313 0.000
N2 -1.313 1.313 0.000
N3 -1.313 -1.313 0.000
N4 1.313 -1.313 0.000
S5 0.000 1.344 0.999
S6 0.000 -1.344 0.999
S7 1.344 0.000 -0.999
S8 -1.344 0.000 -0.999

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62613.71392.62611.65003.12741.65003.1274
N22.62612.62613.71391.65003.12743.12741.6500
N33.71392.62612.62613.12741.65003.12741.6500
N42.62613.71392.62613.12741.65001.65003.1274
S51.65001.65003.12743.12742.68762.75702.7570
S63.12743.12741.65001.65002.68762.75702.7570
S71.65003.12743.12741.65002.75702.75702.6876
S83.12741.65001.65003.12742.75702.75702.6876

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 105.463 N1 S7 N4 105.463
N2 S8 N3 105.463 N3 S6 N4 105.463
S5 N1 S7 113.328 S5 N2 S8 113.328
S6 N3 S8 113.328 S6 N4 S7 113.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.643      
2 N -0.643      
3 N -0.643      
4 N -0.643      
5 S 0.643      
6 S 0.643      
7 S 0.643      
8 S 0.643      


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 -77.424 0.000 0.000
y 0.000 -77.424 0.000
z 0.000 0.000 -67.381
Traceless
 xyz
x -5.022 0.000 0.000
y 0.000 -5.022 0.000
z 0.000 0.000 10.043
Polar
3z2-r220.087
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 17.113 0.000 0.000
y 0.000 17.113 0.000
z 0.000 0.000 13.585


<r2> (average value of r2) Å2
<r2> 322.222
(<r2>)1/2 17.951