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: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-1809.362539
Energy at 298.15K 
HF Energy-1807.787618
Nuclear repulsion energy810.836832
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/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311+G(3df,2p)
ABC
0.05224 0.05224 0.04245

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.281 1.281 0.000
N2 -1.281 1.281 0.000
N3 -1.281 -1.281 0.000
N4 1.281 -1.281 0.000
S5 0.000 1.291 0.985
S6 0.000 -1.291 0.985
S7 1.291 0.000 -0.985
S8 -1.291 0.000 -0.985

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.56193.62312.56191.61613.03791.61613.0379
N22.56192.56193.62311.61613.03793.03791.6161
N33.62312.56192.56193.03791.61613.03791.6161
N42.56193.62312.56193.03791.61611.61613.0379
S51.61611.61613.03793.03792.58272.68692.6869
S63.03793.03791.61611.61612.58272.68692.6869
S71.61613.03793.03791.61612.68692.68692.5827
S83.03791.61611.61613.03792.68692.68692.5827

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 104.857 N1 S7 N4 104.857
N2 S8 N3 104.857 N3 S6 N4 104.857
S5 N1 S7 112.456 S5 N2 S8 112.456
S6 N3 S8 112.456 S6 N4 S7 112.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability