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

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-1808.956456
Energy at 298.15K-1808.961074
HF Energy-1807.638922
Nuclear repulsion energy792.077711
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 QCISD/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 726 695 0.00      
2 A1 590 564 0.00      
3 A1 207 199 0.00      
4 A2 760 728 0.00      
5 A2 260 249 0.00      
6 B1 731 700 0.00      
7 B1 348 334 0.00      
8 B2 998 955 83.63      
9 B2 584 559 97.06      
10 B2 172 165 0.57      
11 E 734 703 0.03      
11 E 734 703 0.03      
12 E 701 671 132.37      
12 E 701 671 132.37      
13 E 522 500 7.26      
13 E 522 500 7.26      
14 E 290 277 50.95      
14 E 290 277 50.98      

Unscaled Zero Point Vibrational Energy (zpe) 4934.7 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 4724.5 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 QCISD/6-311G*
ABC
0.04993 0.04993 0.03939

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.301 1.301 0.000
N2 -1.301 1.301 0.000
N3 -1.301 -1.301 0.000
N4 1.301 -1.301 0.000
S5 0.000 1.365 0.983
S6 0.000 -1.365 0.983
S7 1.365 0.000 -0.983
S8 -1.365 0.000 -0.983

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.60123.67862.60121.63183.12511.63183.1251
N22.60122.60123.67861.63183.12513.12511.6318
N33.67862.60122.60123.12511.63183.12511.6318
N42.60123.67862.60123.12511.63181.63183.1251
S51.63181.63183.12513.12512.73092.75622.7562
S63.12513.12511.63181.63182.73092.75622.7562
S71.63183.12513.12511.63182.75622.75622.7309
S83.12511.63181.63183.12512.75622.75622.7309

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 105.698 N1 S7 N4 105.698
N2 S8 N3 105.698 N3 S6 N4 105.698
S5 N1 S7 115.246 S5 N2 S8 115.246
S6 N3 S8 115.246 S6 N4 S7 115.246
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability