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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-1808.772863
Energy at 298.15K-1808.777368
HF Energy-1807.502404
Nuclear repulsion energy786.519417
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 CCSD/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 725 684 0.00      
2 A1 590 558 0.00      
3 A1 205 193 0.00      
4 A2 758 716 0.00      
5 A2 251 237 0.00      
6 B1 742 701 0.00      
7 B1 345 325 0.00      
8 B2 1004 948 82.03      
9 B2 572 541 98.58      
10 B2 169 160 0.17      
11 E 751 709 3.50      
11 E 751 709 3.51      
12 E 709 670 114.80      
12 E 709 670 114.79      
13 E 517 488 11.19      
13 E 517 488 11.18      
14 E 265 250 38.84      
14 E 265 250 38.89      

Unscaled Zero Point Vibrational Energy (zpe) 4923.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 4648.9 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 CCSD/6-31G*
ABC
0.04934 0.04934 0.03840

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.312 1.312 0.000
N2 -1.312 1.312 0.000
N3 -1.312 -1.312 0.000
N4 1.312 -1.312 0.000
S5 0.000 1.388 0.977
S6 0.000 -1.388 0.977
S7 1.388 0.000 -0.977
S8 -1.388 0.000 -0.977

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62353.71022.62351.63763.15641.63763.1564
N22.62352.62353.71021.63763.15643.15641.6376
N33.71022.62352.62353.15641.63763.15641.6376
N42.62353.71022.62353.15641.63761.63763.1564
S51.63761.63763.15643.15642.77552.76992.7699
S63.15643.15641.63761.63762.77552.76992.7699
S71.63763.15643.15641.63762.76992.76992.7755
S83.15641.63761.63763.15642.76992.76992.7755

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 106.458 N1 S7 N4 106.458
N2 S8 N3 106.458 N3 S6 N4 106.458
S5 N1 S7 115.502 S5 N2 S8 115.502
S6 N3 S8 115.502 S6 N4 S7 115.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability