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

using model chemistry: CISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at CISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-1808.940757
Energy at 298.15K-1808.946418
HF Energy-1807.794244
Nuclear repulsion energy827.325325
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 CISD/6-311+G(3df,2p)
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 848 781 0.00      
2 A1 632 582 0.00      
3 A1 266 245 0.00      
4 A2 885 816 0.00      
5 A2 327 301 0.00      
6 B1 857 790 0.00      
7 B1 398 367 0.00      
8 B2 1103 1017 144.61      
9 B2 632 582 84.04      
10 B2 220 203 1.68      
11 E 875 807 49.79      
11 E 875 807 49.79      
12 E 824 760 114.83      
12 E 824 760 114.83      
13 E 608 560 2.59      
13 E 608 560 2.59      
14 E 399 368 33.48      
14 E 399 368 33.48      

Unscaled Zero Point Vibrational Energy (zpe) 5788.9 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 5336.2 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 CISD/6-311+G(3df,2p)
ABC
0.05429 0.05429 0.04473

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.257 1.257 0.000
N2 -1.257 1.257 0.000
N3 -1.257 -1.257 0.000
N4 1.257 -1.257 0.000
S5 0.000 1.250 0.977
S6 0.000 -1.250 0.977
S7 1.250 0.000 -0.977
S8 -1.250 0.000 -0.977

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.51323.55422.51321.59182.96971.59182.9697
N22.51322.51323.55421.59182.96972.96971.5918
N33.55422.51322.51322.96971.59182.96971.5918
N42.51323.55422.51322.96971.59181.59182.9697
S51.59181.59182.96972.96972.50082.63562.6356
S62.96972.96971.59181.59182.50082.63562.6356
S71.59182.96972.96971.59182.63562.63562.5008
S82.96971.59181.59182.96972.63562.63562.5008

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 104.260 N1 S7 N4 104.260
N2 S8 N3 104.260 N3 S6 N4 104.260
S5 N1 S7 111.758 S5 N2 S8 111.758
S6 N3 S8 111.758 S6 N4 S7 111.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability