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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1809.588924
Energy at 298.15K-1809.581081
HF Energy-1807.505917
Nuclear repulsion energy814.111072
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 CBS-Q
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 821 821 0.00      
2 A1 645 645 0.00      
3 A1 241 241 0.00      
4 A2 875 875 0.00      
5 A2 327 327 0.00      
6 B1 828 828 0.00      
7 B1 406 406 0.00      
8 B2 1100 1100 153.47      
9 B2 644 644 136.84      
10 B2 194 194 2.20      
11 E 820 820 97.94      
11 E 820 820 97.94      
12 E 775 775 110.73      
12 E 775 775 110.73      
13 E 605 605 2.03      
13 E 605 605 2.03      
14 E 351 351 89.97      
14 E 351 351 89.97      

Unscaled Zero Point Vibrational Energy (zpe) 5590.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5590.4 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 CBS-Q
ABC
0.04456 0.04456 0.03059

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.273 1.273 0.000
N2 -1.273 1.273 0.000
N3 -1.273 -1.273 0.000
N4 1.273 -1.273 0.000
S5 0.000 1.292 0.980
S6 0.000 -1.292 0.980
S7 1.292 0.000 -0.980
S8 -1.292 0.000 -0.980

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.54513.59932.54511.60613.02621.60613.0262
N22.54512.54513.59931.60613.02623.02621.6061
N33.59932.54512.54513.02621.60613.02621.6061
N42.54513.59932.54513.02621.60611.60613.0262
S51.60611.60613.02623.02622.58482.67942.6794
S63.02623.02621.60611.60612.58482.67942.6794
S71.60613.02623.02621.60612.67942.67942.5848
S83.02621.60611.60613.02622.67942.67942.5848

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 104.808 N1 S7 N4 104.808
N2 S8 N3 104.808 N3 S6 N4 104.808
S5 N1 S7 113.056 S5 N2 S8 113.056
S6 N3 S8 113.056 S6 N4 S7 113.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability