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All results from a given calculation for S2N2 (Disulfur dinitride)

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-904.664621
Energy at 298.15K-904.666775
HF Energy-903.899555
Nuclear repulsion energy214.145641
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 MP3/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 Ag 1014 958 0.00      
2 Ag 682 644 0.00      
3 B1u 715 676 2.30      
4 B2u 872 824 38.54      
5 B3g 987 933 0.00      
6 B3u 493 466 23.84      

Unscaled Zero Point Vibrational Energy (zpe) 2381.7 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 2250.0 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 MP3/cc-pVTZ
ABC
0.44483 0.19682 0.13645

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.157
S2 0.000 0.000 -1.157
N3 0.000 1.163 0.000
N4 0.000 -1.163 0.000

Atom - Atom Distances (Å)
  S1 S2 N3 N4
S12.31471.64091.6409
S22.31471.64091.6409
N31.64091.64092.3265
N41.64091.64092.3265

picture of Disulfur dinitride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 N3 S2 89.709 S1 N4 S2 89.709
N3 S1 N4 90.291 N3 S2 N4 90.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability