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: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-1807.801952
Energy at 298.15K-1807.807781
HF Energy-1807.801952
Nuclear repulsion energy828.489940
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 HF/aug-cc-pVTZ
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 845 770 0.00      
2 A1 649 591 0.00      
3 A1 289 264 0.00      
4 A2 877 798 0.00      
5 A2 345 314 0.00      
6 B1 855 778 0.00      
7 B1 417 379 0.00      
8 B2 1081 984 149.33      
9 B2 642 585 89.94      
10 B2 238 217 2.11      
11 E 863 786 74.94      
11 E 863 786 74.94      
12 E 816 743 102.01      
12 E 816 743 102.01      
13 E 633 577 0.29      
13 E 633 577 0.29      
14 E 419 381 43.19      
14 E 419 381 43.19      

Unscaled Zero Point Vibrational Energy (zpe) 5850.4 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 5326.2 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 HF/aug-cc-pVTZ
ABC
0.05441 0.05441 0.04545

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.262 1.262 0.000
N2 -1.262 1.262 0.000
N3 -1.262 -1.262 0.000
N4 1.262 -1.262 0.000
S5 0.000 1.227 0.986
S6 0.000 -1.227 0.986
S7 1.227 0.000 -0.986
S8 -1.227 0.000 -0.986

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.52443.57012.52441.60212.95981.60212.9598
N22.52442.52443.57011.60212.95982.95981.6021
N33.57012.52442.52442.95981.60212.95981.6021
N42.52443.57012.52442.95981.60211.60212.9598
S51.60211.60212.95982.95982.45352.62662.6266
S62.95982.95981.60211.60212.45352.62662.6266
S71.60212.95982.95981.60212.62662.62662.4535
S82.95981.60211.60212.95982.62662.62662.4535

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 103.969 N1 S7 N4 103.969
N2 S8 N3 103.969 N3 S6 N4 103.969
S5 N1 S7 110.117 S5 N2 S8 110.117
S6 N3 S8 110.117 S6 N4 S7 110.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.770      
2 N -0.770      
3 N -0.770      
4 N -0.770      
5 S 0.770      
6 S 0.770      
7 S 0.770      
8 S 0.770      


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 -79.278 0.000 0.000
y 0.000 -79.278 0.000
z 0.000 0.000 -66.164
Traceless
 xyz
x -6.557 0.000 0.000
y 0.000 -6.557 0.000
z 0.000 0.000 13.113
Polar
3z2-r226.227
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 15.026 0.000 0.000
y 0.000 15.026 0.000
z 0.000 0.000 11.854


<r2> (average value of r2) Å2
<r2> 294.545
(<r2>)1/2 17.162