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

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-1801.510385
Energy at 298.15K 
HF Energy-1801.127947
Nuclear repulsion energy703.778087
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 B2PLYP=FULL/3-21G
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 555 528 0.00      
2 A1 459 437 0.00      
3 A1 122 116 0.00      
4 A2 398 378 0.00      
5 A2 81i 77i 0.00      
6 B1 525 499 0.00      
7 B1 256 244 0.00      
8 B2 755 719 2.45      
9 B2 443 422 60.61      
10 B2 126 120 0.77      
11 E 780 743 4.48      
11 E 780 743 4.48      
12 E 582 554 0.28      
12 E 582 554 0.28      
13 E 400 381 21.14      
13 E 400 381 21.14      
14 E 322 307 0.00      
14 E 322 307 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3862.8 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 3677.4 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 B2PLYP=FULL/3-21G
ABC
0.03990 0.03990 0.02881

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.475 1.475 0.000
N2 -1.475 1.475 0.000
N3 -1.475 -1.475 0.000
N4 1.475 -1.475 0.000
S5 0.000 1.634 1.008
S6 0.000 -1.634 1.008
S7 1.634 0.000 -1.008
S8 -1.634 0.000 -1.008

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.94984.17162.94981.79353.58571.79353.5857
N22.94982.94984.17161.79353.58573.58571.7935
N34.17162.94982.94983.58571.79353.58571.7935
N42.94984.17162.94983.58571.79351.79353.5857
S51.79351.79353.58573.58573.26823.06683.0668
S63.58573.58571.79351.79353.26823.06683.0668
S71.79353.58573.58571.79353.06683.06683.2682
S83.58571.79351.79353.58573.06683.06683.2682

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 110.639 N1 S7 N4 110.639
N2 S8 N3 110.639 N3 S6 N4 110.639
S5 N1 S7 117.508 S5 N2 S8 117.508
S6 N3 S8 117.508 S6 N4 S7 117.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability