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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-1807.625872
Energy at 298.15K-1807.631701
HF Energy-1807.625872
Nuclear repulsion energy830.784923
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 HF/6-31G(2df,p)
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 852 772 0.00      
2 A1 653 591 0.00      
3 A1 288 261 0.00      
4 A2 885 801 0.00      
5 A2 346 314 0.00      
6 B1 865 783 0.00      
7 B1 420 381 0.00      
8 B2 1090 987 163.45      
9 B2 646 585 92.86      
10 B2 239 216 2.10      
11 E 874 791 81.46      
11 E 874 791 81.46      
12 E 819 742 87.61      
12 E 819 742 87.61      
13 E 637 577 1.24      
13 E 637 577 1.24      
14 E 420 380 45.12      
14 E 420 380 45.12      

Unscaled Zero Point Vibrational Energy (zpe) 5891.9 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 5335.1 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 HF/6-31G(2df,p)
ABC
0.05473 0.05473 0.04566

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.259 1.259 0.000
N2 -1.259 1.259 0.000
N3 -1.259 -1.259 0.000
N4 1.259 -1.259 0.000
S5 0.000 1.224 0.982
S6 0.000 -1.224 0.982
S7 1.224 0.000 -0.982
S8 -1.224 0.000 -0.982

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.51853.56162.51851.59742.95241.59742.9524
N22.51852.51853.56161.59742.95242.95241.5974
N33.56162.51852.51852.95241.59742.95241.5974
N42.51853.56162.51852.95241.59741.59742.9524
S51.59741.59742.95242.95242.44802.61842.6184
S62.95242.95241.59741.59742.44802.61842.6184
S71.59742.95242.95241.59742.61842.61842.4480
S82.95241.59741.59742.95242.61842.61842.4480

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 104.052 N1 S7 N4 104.052
N2 S8 N3 104.052 N3 S6 N4 104.052
S5 N1 S7 110.081 S5 N2 S8 110.081
S6 N3 S8 110.081 S6 N4 S7 110.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.456      
2 N -0.456      
3 N -0.456      
4 N -0.456      
5 S 0.456      
6 S 0.456      
7 S 0.456      
8 S 0.456      


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 -78.148 0.000 0.000
y 0.000 -78.148 0.000
z 0.000 0.000 -65.754
Traceless
 xyz
x -6.197 0.000 0.000
y 0.000 -6.197 0.000
z 0.000 0.000 12.394
Polar
3z2-r224.787
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 13.413 0.000 0.000
y 0.000 13.413 0.000
z 0.000 0.000 10.537


<r2> (average value of r2) Å2
<r2> 292.661
(<r2>)1/2 17.107