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

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-1811.614984
Energy at 298.15K-1811.619660
HF Energy-1811.614984
Nuclear repulsion energy789.161586
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 mPW1PW91/cc-pVDZ
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 734 703 0.00      
2 A1 577 553 0.00      
3 A1 203 194 0.00      
4 A2 736 706 0.00      
5 A2 254 244 0.00      
6 B1 743 712 0.00      
7 B1 345 331 0.00      
8 B2 980 939 54.41      
9 B2 554 531 71.92      
10 B2 173 165 0.13      
11 E 781 749 0.00      
11 E 781 749 0.00      
12 E 717 687 100.78      
12 E 717 687 100.78      
13 E 518 496 5.72      
13 E 518 496 5.72      
14 E 307 294 25.56      
14 E 307 294 25.56      

Unscaled Zero Point Vibrational Energy (zpe) 4971.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 4764.2 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 mPW1PW91/cc-pVDZ
ABC
0.04966 0.04966 0.03921

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.314 1.314 0.000
N2 -1.314 1.314 0.000
N3 -1.314 -1.314 0.000
N4 1.314 -1.314 0.000
S5 0.000 1.360 0.987
S6 0.000 -1.360 0.987
S7 1.360 0.000 -0.987
S8 -1.360 0.000 -0.987

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62853.71722.62851.64403.13871.64403.1387
N22.62852.62853.71721.64403.13873.13871.6440
N33.71722.62852.62853.13871.64403.13871.6440
N42.62853.71722.62853.13871.64401.64403.1387
S51.64401.64403.13873.13872.71962.75542.7554
S63.13873.13871.64401.64402.71962.75542.7554
S71.64403.13873.13871.64402.75542.75542.7196
S83.13871.64401.64403.13872.75542.75542.7196

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 106.145 N1 S7 N4 106.145
N2 S8 N3 106.145 N3 S6 N4 106.145
S5 N1 S7 113.860 S5 N2 S8 113.860
S6 N3 S8 113.860 S6 N4 S7 113.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.479      
2 N -0.479      
3 N -0.479      
4 N -0.479      
5 S 0.479      
6 S 0.479      
7 S 0.479      
8 S 0.479      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -77.201 0.000 0.000
y 0.000 -77.201 0.000
z 0.000 0.000 -66.223
Traceless
 xyz
x -5.489 0.000 0.000
y 0.000 -5.489 0.000
z 0.000 0.000 10.978
Polar
3z2-r221.956
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.210 0.000 0.000
y 0.000 14.210 0.000
z 0.000 0.000 10.380


<r2> (average value of r2) Å2
<r2> 323.304
(<r2>)1/2 17.981