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

using model chemistry: CISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-1808.621697
Energy at 298.15K-1808.626929
HF Energy-1807.647533
Nuclear repulsion energy809.121558
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/6-311G*
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 805 745 0.00      
2 A1 624 578 0.00      
3 A1 230 213 0.00      
4 A2 851 788 0.00      
5 A2 304 282 0.00      
6 B1 804 744 0.00      
7 B1 384 355 0.00      
8 B2 1090 1008 130.54      
9 B2 629 582 119.02      
10 B2 190 176 1.66      
11 E 813 752 26.38      
11 E 813 752 26.38      
12 E 777 719 151.66      
12 E 777 719 151.66      
13 E 574 531 5.39      
13 E 574 531 5.38      
14 E 343 318 61.90      
14 E 343 318 61.91      

Unscaled Zero Point Vibrational Energy (zpe) 5462.0 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 5054.0 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/6-311G*
ABC
0.05199 0.05199 0.04177

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.275 1.275 0.000
N2 -1.275 1.275 0.000
N3 -1.275 -1.275 0.000
N4 1.275 -1.275 0.000
S5 0.000 1.316 0.978
S6 0.000 -1.316 0.978
S7 1.316 0.000 -0.978
S8 -1.316 0.000 -0.978

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.54933.60522.54931.60743.04871.60743.0487
N22.54932.54933.60521.60743.04873.04871.6074
N33.60522.54932.54933.04871.60743.04871.6074
N42.54933.60522.54933.04871.60741.60743.0487
S51.60741.60743.04873.04872.63252.70082.7008
S63.04873.04871.60741.60742.63252.70082.7008
S71.60743.04873.04871.60742.70082.70082.6325
S83.04871.60741.60743.04872.70082.70082.6325

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 104.928 N1 S7 N4 104.928
N2 S8 N3 104.928 N3 S6 N4 104.928
S5 N1 S7 114.304 S5 N2 S8 114.304
S6 N3 S8 114.304 S6 N4 S7 114.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability