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: CCSD/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 CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-1809.127925
Energy at 298.15K-1809.133027
HF Energy-1807.618950
Nuclear repulsion energy810.103851
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(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 771 729 0.00      
2 A1 595 562 0.00      
3 A1 240 227 0.00      
4 A2 795 752 0.00      
5 A2 290 274 0.00      
6 B1 791 748 0.00      
7 B1 368 348 0.00      
8 B2 1005 951 90.64      
9 B2 577 545 68.69      
10 B2 200 190 0.97      
11 E 812 768 21.28      
11 E 812 768 21.29      
12 E 757 716 86.15      
12 E 757 716 86.15      
13 E 555 524 5.17      
13 E 555 524 5.17      
14 E 344 326 21.27      
14 E 344 326 21.27      

Unscaled Zero Point Vibrational Energy (zpe) 5284.5 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4996.5 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(2df,p)
ABC
0.05218 0.05218 0.04252

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.287 1.287 0.000
N2 -1.287 1.287 0.000
N3 -1.287 -1.287 0.000
N4 1.287 -1.287 0.000
S5 0.000 1.284 0.988
S6 0.000 -1.284 0.988
S7 1.284 0.000 -0.988
S8 -1.284 0.000 -0.988

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.57473.64122.57471.62283.04051.62283.0405
N22.57472.57473.64121.62283.04053.04051.6228
N33.64122.57472.57473.04051.62283.04051.6228
N42.57473.64122.57473.04051.62281.62283.0405
S51.62281.62283.04053.04052.56772.68342.6834
S63.04053.04051.62281.62282.56772.68342.6834
S71.62283.04053.04051.62282.68342.68342.5677
S83.04051.62281.62283.04052.68342.68342.5677

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 104.991 N1 S7 N4 104.991
N2 S8 N3 104.991 N3 S6 N4 104.991
S5 N1 S7 111.544 S5 N2 S8 111.544
S6 N3 S8 111.544 S6 N4 S7 111.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability