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

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-1809.402326
Energy at 298.15K-1809.407393
HF Energy-1807.794324
Nuclear repulsion energy807.061381
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 QCISD/aug-cc-pVTZ
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 757 728 0.00      
2 A1 589 566 0.00      
3 A1 246 236 0.00      
4 A2 778 749 0.00      
5 A2 288 277 0.00      
6 B1 771 742 0.00      
7 B1 362 348 0.00      
8 B2 981 945 75.62      
9 B2 572 550 63.73      
10 B2 207 199 1.05      
11 E 792 762 12.15      
11 E 792 762 12.15      
12 E 740 712 101.43      
12 E 740 712 101.43      
13 E 548 528 2.73      
13 E 548 528 2.73      
14 E 340 327 21.42      
14 E 340 327 21.42      

Unscaled Zero Point Vibrational Energy (zpe) 5195.0 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 4999.7 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 QCISD/aug-cc-pVTZ
ABC
0.05176 0.05176 0.04231

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.291 1.291 0.000
N2 -1.291 1.291 0.000
N3 -1.291 -1.291 0.000
N4 1.291 -1.291 0.000
S5 0.000 1.287 0.994
S6 0.000 -1.287 0.994
S7 1.287 0.000 -0.994
S8 -1.287 0.000 -0.994

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.58243.65202.58241.62983.04981.62983.0498
N22.58242.58243.65201.62983.04983.04981.6298
N33.65202.58242.58243.04981.62983.04981.6298
N42.58243.65202.58243.04981.62981.62983.0498
S51.62981.62983.04983.04982.57322.69572.6957
S63.04983.04981.62981.62982.57322.69572.6957
S71.62983.04983.04981.62982.69572.69572.5732
S83.04981.62981.62983.04982.69572.69572.5732

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 104.791 N1 S7 N4 104.791
N2 S8 N3 104.791 N3 S6 N4 104.791
S5 N1 S7 111.586 S5 N2 S8 111.586
S6 N3 S8 111.586 S6 N4 S7 111.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability