return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

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=FULLultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-1810.974127
Energy at 298.15K 
HF Energy-1810.396138
Nuclear repulsion energy787.890986
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=FULLultrafine/6-31G(2df,p)
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 704 704 0.00      
2 A1 568 568 0.00      
3 A1 180 180 0.00      
4 A2 750 750 0.00      
5 A2 243 243 0.00      
6 B1 727 727 0.00      
7 B1 331 331 0.00      
8 B2 966 966 53.27      
9 B2 545 545 58.72      
10 B2 157 157 0.30      
11 E 818 818 3.37      
11 E 818 818 3.37      
12 E 699 699 67.50      
12 E 699 699 67.50      
13 E 507 507 10.44      
13 E 507 507 10.44      
14 E 312 312 11.91      
14 E 312 312 11.91      

Unscaled Zero Point Vibrational Energy (zpe) 4920.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4920.0 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=FULLultrafine/6-31G(2df,p)
ABC
0.04959 0.04959 0.03823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

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 1.393 0.966
S6 0.000 -1.393 0.966
S7 1.393 0.000 -0.966
S8 -1.393 0.000 -0.966

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62313.70972.62311.63123.15761.63123.1576
N22.62312.62313.70971.63123.15763.15761.6312
N33.70972.62312.62313.15761.63123.15761.6312
N42.62313.70972.62313.15761.63121.63123.1576
S51.63121.63123.15763.15762.78662.76022.7602
S63.15763.15761.63121.63122.78662.76022.7602
S71.63123.15763.15761.63122.76022.76022.7866
S83.15761.63121.63123.15762.76022.76022.7866

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 107.033 N1 S7 N4 107.033
N2 S8 N3 107.033 N3 S6 N4 107.033
S5 N1 S7 115.568 S5 N2 S8 115.568
S6 N3 S8 115.568 S6 N4 S7 115.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability