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

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1809.102947
Energy at 298.15K-1809.107255
HF Energy-1807.588098
Nuclear repulsion energy746.140433
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 MP2=FULL/aug-cc-pVDZ
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 642 622 0.00      
2 A1 516 500 0.00      
3 A1 143 139 0.00      
4 A2 621 602 0.00      
5 A2 111 108 0.00      
6 B1 651 631 0.00      
7 B1 275 267 0.00      
8 B2 912 884 17.86      
9 B2 485 471 52.97      
10 B2 155 150 0.12      
11 E 1710 1657 6072.82      
11 E 1710 1657 6072.80      
12 E 726 704 32.09      
12 E 726 704 32.09      
13 E 459 444 95.16      
13 E 459 444 95.16      
14 E 380 368 25.79      
14 E 380 368 25.79      

Unscaled Zero Point Vibrational Energy (zpe) 5529.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 5358.9 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 MP2=FULL/aug-cc-pVDZ
ABC
0.04469 0.04469 0.03211

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.374 1.374 0.000
N2 -1.374 1.374 0.000
N3 -1.374 -1.374 0.000
N4 1.374 -1.374 0.000
S5 0.000 1.566 0.947
S6 0.000 -1.566 0.947
S7 1.566 0.000 -0.947
S8 -1.566 0.000 -0.947

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.74793.88612.74791.67963.38031.67963.3803
N22.74792.74793.88611.67963.38033.38031.6796
N33.88612.74792.74793.38031.67963.38031.6796
N42.74793.88612.74793.38031.67961.67963.3803
S51.67961.67963.38033.38033.13152.91372.9137
S63.38033.38031.67961.67963.13152.91372.9137
S71.67963.38033.38031.67962.91372.91373.1315
S83.38031.67961.67963.38032.91372.91373.1315

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 109.771 N1 S7 N4 109.771
N2 S8 N3 109.771 N3 S6 N4 109.771
S5 N1 S7 120.308 S5 N2 S8 120.308
S6 N3 S8 120.308 S6 N4 S7 120.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability