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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-1808.785764
Energy at 298.15K-1808.790407
HF Energy-1807.514263
Nuclear repulsion energy785.061589
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 CCD/6-31+G**
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 732 690 0.00      
2 A1 587 553 0.00      
3 A1 201 189 0.00      
4 A2 778 733 0.00      
5 A2 249 235 0.00      
6 B1 744 701 0.00      
7 B1 333 314 0.00      
8 B2 1030 971 83.47      
9 B2 575 542 94.95      
10 B2 162 153 0.27      
11 E 826 778 12.38      
11 E 826 778 12.39      
12 E 725 683 118.79      
12 E 725 683 118.78      
13 E 513 483 15.87      
13 E 513 483 15.87      
14 E 289 272 18.16      
14 E 289 272 18.18      

Unscaled Zero Point Vibrational Energy (zpe) 5047.7 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 4756.4 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 CCD/6-31+G**
ABC
0.04915 0.04915 0.03789

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.308 1.308 0.000
N2 -1.308 1.308 0.000
N3 -1.308 -1.308 0.000
N4 1.308 -1.308 0.000
S5 0.000 1.407 0.971
S6 0.000 -1.407 0.971
S7 1.407 0.000 -0.971
S8 -1.407 0.000 -0.971

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.61703.70102.61701.63233.16661.63233.1666
N22.61702.61703.70101.63233.16663.16661.6323
N33.70102.61702.61703.16661.63233.16661.6323
N42.61703.70102.61703.16661.63231.63233.1666
S51.63231.63233.16663.16662.81362.78002.7800
S63.16663.16661.63231.63232.81362.78002.7800
S71.63233.16663.16661.63232.78002.78002.8136
S83.16661.63231.63233.16662.78002.78002.8136

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 106.570 N1 S7 N4 106.570
N2 S8 N3 106.570 N3 S6 N4 106.570
S5 N1 S7 116.764 S5 N2 S8 116.764
S6 N3 S8 116.764 S6 N4 S7 116.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability