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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1787.875175
Energy at 298.15K 
HF Energy-1787.145167
Nuclear repulsion energy692.923734
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/STO-3G
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 704 626 0.00      
2 A1 482 428 0.00      
3 A1 95 85 0.00      
4 A2 617 549 0.00      
5 A2 129i 115i 0.00      
6 B1 767 682 0.00      
7 B1 222 197 0.00      
8 B2 992 881 4.16      
9 B2 462 411 56.97      
10 B2 151 134 3.27      
11 E 5174 4600 4062.08      
11 E 5174 4600 4062.07      
12 E 915 813 1002.35      
12 E 915 813 1002.35      
13 E 479 426 118.14      
13 E 479 426 118.14      
14 E 360 320 7.77      
14 E 360 320 7.77      

Unscaled Zero Point Vibrational Energy (zpe) 9108.5 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8096.5 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 MP2=FULL/STO-3G
ABC
0.03871 0.03871 0.02597

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.473 1.473 0.000
N2 -1.473 1.473 0.000
N3 -1.473 -1.473 0.000
N4 1.473 -1.473 0.000
S5 0.000 1.782 0.931
S6 0.000 -1.782 0.931
S7 1.782 0.000 -0.931
S8 -1.782 0.000 -0.931

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.94634.16662.94631.76993.69211.76993.6921
N22.94632.94634.16661.76993.69213.69211.7699
N34.16662.94632.94633.69211.76993.69211.7699
N42.94634.16662.94633.69211.76991.76993.6921
S51.76991.76993.69213.69213.56343.13353.1335
S63.69213.69211.76991.76993.56343.13353.1335
S71.76993.69213.69211.76993.13353.13353.5634
S83.69211.76991.76993.69213.13353.13353.5634

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 112.671 N1 S7 N4 112.671
N2 S8 N3 112.671 N3 S6 N4 112.671
S5 N1 S7 124.548 S5 N2 S8 124.548
S6 N3 S8 124.548 S6 N4 S7 124.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability