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

using model chemistry: B2PLYP=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1810.813078
Energy at 298.15K-1810.817213
HF Energy-1810.317507
Nuclear repulsion energy766.746532
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/6-31+G**
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 659 627 0.00      
2 A1 556 528 0.00      
3 A1 164 156 0.00      
4 A2 687 653 0.00      
5 A2 203 193 0.00      
6 B1 671 638 0.00      
7 B1 306 291 0.00      
8 B2 940 894 42.22      
9 B2 536 510 75.13      
10 B2 144 137 0.00      
11 E 801 761 1.63      
11 E 801 761 1.63      
12 E 645 613 78.93      
12 E 645 613 78.93      
13 E 480 457 14.69      
13 E 480 457 14.69      
14 E 281 268 14.95      
14 E 281 268 14.95      

Unscaled Zero Point Vibrational Energy (zpe) 4639.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 4412.2 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 B2PLYP=FULL/6-31+G**
ABC
0.04706 0.04706 0.03491

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.338 1.338 0.000
N2 -1.338 1.338 0.000
N3 -1.338 -1.338 0.000
N4 1.338 -1.338 0.000
S5 0.000 1.485 0.955
S6 0.000 -1.485 0.955
S7 1.485 0.000 -0.955
S8 -1.485 0.000 -0.955

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.67663.78532.67661.65103.26771.65103.2677
N22.67662.67663.78531.65103.26773.26771.6510
N33.78532.67662.67663.26771.65103.26771.6510
N42.67663.78532.67663.26771.65101.65103.2677
S51.65101.65103.26773.26772.97092.83992.8399
S63.26773.26771.65101.65102.97092.83992.8399
S71.65103.26773.26771.65102.83992.83992.9709
S83.26771.65101.65103.26772.83992.83992.9709

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 108.314 N1 S7 N4 108.314
N2 S8 N3 108.314 N3 S6 N4 108.314
S5 N1 S7 118.649 S5 N2 S8 118.649
S6 N3 S8 118.649 S6 N4 S7 118.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability