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

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-1808.755219
Energy at 298.15K-1808.759876
HF Energy-1807.502182
Nuclear repulsion energy785.417553
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 CCD/6-31G**
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 736 690 0.00      
2 A1 593 556 0.00      
3 A1 200 188 0.00      
4 A2 776 727 0.00      
5 A2 248 233 0.00      
6 B1 753 706 0.00      
7 B1 343 321 0.00      
8 B2 1032 968 90.98      
9 B2 576 540 102.74      
10 B2 164 154 0.10      
11 E 820 769 12.90      
11 E 820 769 12.91      
12 E 732 686 103.44      
12 E 732 686 103.44      
13 E 518 485 18.30      
13 E 518 485 18.30      
14 E 287 269 19.11      
14 E 287 269 19.15      

Unscaled Zero Point Vibrational Energy (zpe) 5066.4 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 4750.3 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 CCD/6-31G**
ABC
0.04923 0.04923 0.03790

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.311 1.311 0.000
N2 -1.311 1.311 0.000
N3 -1.311 -1.311 0.000
N4 1.311 -1.311 0.000
S5 0.000 1.405 0.969
S6 0.000 -1.405 0.969
S7 1.405 0.000 -0.969
S8 -1.405 0.000 -0.969

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62123.70702.62121.63253.16701.63253.1670
N22.62122.62123.70701.63253.16703.16701.6325
N33.70702.62122.62123.16701.63253.16701.6325
N42.62123.70702.62123.16701.63251.63253.1670
S51.63251.63253.16703.16702.80962.77502.7750
S63.16703.16701.63251.63252.80962.77502.7750
S71.63253.16703.16701.63252.77502.77502.8096
S83.16701.63251.63253.16702.77502.77502.8096

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 106.802 N1 S7 N4 106.802
N2 S8 N3 106.802 N3 S6 N4 106.802
S5 N1 S7 116.407 S5 N2 S8 116.407
S6 N3 S8 116.407 S6 N4 S7 116.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability