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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-1811.792286
Energy at 298.15K-1811.797358
HF Energy-1811.792286
Nuclear repulsion energy808.655654
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 mPW1PW91/6-311+G(3df,2p)
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 769 769 0.00      
2 A1 589 589 0.00      
3 A1 225 225 0.00      
4 A2 802 802 0.00      
5 A2 281 281 0.00      
6 B1 783 783 0.00      
7 B1 356 356 0.00      
8 B2 1012 1012 83.23      
9 B2 580 580 63.20      
10 B2 190 190 0.74      
11 E 821 821 9.17      
11 E 821 821 9.17      
12 E 756 756 104.30      
12 E 756 756 104.30      
13 E 545 545 5.10      
13 E 545 545 5.10      
14 E 354 354 18.98      
14 E 354 354 18.98      

Unscaled Zero Point Vibrational Energy (zpe) 5268.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5268.5 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 mPW1PW91/6-311+G(3df,2p)
ABC
0.05204 0.05204 0.04164

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.282 1.282 0.000
N2 -1.282 1.282 0.000
N3 -1.282 -1.282 0.000
N4 1.282 -1.282 0.000
S5 0.000 1.314 0.975
S6 0.000 -1.314 0.975
S7 1.314 0.000 -0.975
S8 -1.314 0.000 -0.975

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.56453.62672.56451.61093.05481.61093.0548
N22.56452.56453.62671.61093.05483.05481.6109
N33.62672.56452.56453.05481.61093.05481.6109
N42.56453.62672.56453.05481.61091.61093.0548
S51.61091.61093.05483.05482.62702.69272.6927
S63.05483.05481.61091.61092.62702.69272.6927
S71.61093.05483.05481.61092.69272.69272.6270
S83.05481.61091.61093.05482.69272.69272.6270

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 105.490 N1 S7 N4 105.490
N2 S8 N3 105.490 N3 S6 N4 105.490
S5 N1 S7 113.390 S5 N2 S8 113.390
S6 N3 S8 113.390 S6 N4 S7 113.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.244      
2 N -0.244      
3 N -0.244      
4 N -0.244      
5 S 0.244      
6 S 0.244      
7 S 0.244      
8 S 0.244      


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 -76.578 0.000 0.000
y 0.000 -76.578 0.000
z 0.000 0.000 -66.898
Traceless
 xyz
x -4.840 0.000 0.000
y 0.000 -4.840 0.000
z 0.000 0.000 9.681
Polar
3z2-r219.361
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 16.190 0.000 0.000
y 0.000 16.190 0.000
z 0.000 0.000 12.735


<r2> (average value of r2) Å2
<r2> 309.106
(<r2>)1/2 17.581