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

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-1802.130546
Energy at 298.15K 
HF Energy-1801.713012
Nuclear repulsion energy755.709773
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 B2PLYP=FULLultrafine/3-21G*
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 601 601 0.00      
2 A1 564 564 0.00      
3 A1 152 152 0.00      
4 A2 639 639 0.00      
5 A2 176 176 0.00      
6 B1 608 608 0.00      
7 B1 311 311 0.00      
8 B2 918 918 37.34      
9 B2 521 521 83.38      
10 B2 138 138 0.25      
11 E 769 769 0.03      
11 E 769 769 0.03      
12 E 589 589 37.74      
12 E 589 589 37.74      
13 E 479 479 29.71      
13 E 479 479 29.71      
14 E 293 293 13.29      
14 E 293 293 13.29      

Unscaled Zero Point Vibrational Energy (zpe) 4445.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4445.4 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 B2PLYP=FULLultrafine/3-21G*
ABC
0.04584 0.04584 0.03300

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.357 1.357 0.000
N2 -1.357 1.357 0.000
N3 -1.357 -1.357 0.000
N4 1.357 -1.357 0.000
S5 0.000 1.544 0.937
S6 0.000 -1.544 0.937
S7 1.544 0.000 -0.937
S8 -1.544 0.000 -0.937

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.71303.83682.71301.65933.33601.65933.3360
N22.71302.71303.83681.65933.33603.33601.6593
N33.83682.71302.71303.33601.65933.33601.6593
N42.71303.83682.71303.33601.65931.65933.3360
S51.65931.65933.33603.33603.08732.87732.8773
S63.33603.33601.65931.65933.08732.87732.8773
S71.65933.33603.33601.65932.87732.87733.0873
S83.33601.65931.65933.33602.87732.87733.0873

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 109.671 N1 S7 N4 109.671
N2 S8 N3 109.671 N3 S6 N4 109.671
S5 N1 S7 120.222 S5 N2 S8 120.222
S6 N3 S8 120.222 S6 N4 S7 120.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability