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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-1810.168303
Energy at 298.15K-1810.172808
HF Energy-1807.747583
Nuclear repulsion energy771.576356
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 MP2=FULL/6-311+G(3df,2p)
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 679 640 0.00      
2 A1 549 518 0.00      
3 A1 145 137 0.00      
4 A2 769 725 0.00      
5 A2 178 168 0.00      
6 B1 699 659 0.00      
7 B1 292 275 0.00      
8 B2 994 937 41.97      
9 B2 517 487 57.57      
10 B2 147 138 0.01      
11 E 1425 1343 1884.92      
11 E 1425 1343 1884.92      
12 E 692 652 21.81      
12 E 692 652 21.81      
13 E 478 451 47.25      
13 E 478 451 47.26      
14 E 345 325 3.53      
14 E 345 325 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 5424.0 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 5113.2 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 MP2=FULL/6-311+G(3df,2p)
ABC
0.04768 0.04768 0.03457

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.322 1.322 0.000
N2 -1.322 1.322 0.000
N3 -1.322 -1.322 0.000
N4 1.322 -1.322 0.000
S5 0.000 1.511 0.926
S6 0.000 -1.511 0.926
S7 1.511 0.000 -0.926
S8 -1.511 0.000 -0.926

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.64443.73972.64441.62523.26041.62523.2604
N22.64442.64443.73971.62523.26043.26041.6252
N33.73972.64442.64443.26041.62523.26041.6252
N42.64443.73972.64443.26041.62521.62523.2604
S51.62521.62523.26043.26043.02112.82752.8275
S63.26043.26041.62521.62523.02112.82752.8275
S71.62523.26043.26041.62522.82752.82753.0211
S83.26041.62521.62523.26042.82752.82753.0211

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 108.886 N1 S7 N4 108.886
N2 S8 N3 108.886 N3 S6 N4 108.886
S5 N1 S7 120.884 S5 N2 S8 120.884
S6 N3 S8 120.884 S6 N4 S7 120.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability