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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-1810.789717
Energy at 298.15K-1810.793908
HF Energy-1810.789717
Nuclear repulsion energy774.536127
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 PBEPBEultrafine/aug-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 677 673 0.00      
2 A1 543 540 0.00      
3 A1 185 184 0.00      
4 A2 647 643 0.00      
5 A2 226 225 0.00      
6 B1 685 681 0.00      
7 B1 317 315 0.00      
8 B2 887 882 30.64      
9 B2 516 513 48.32      
10 B2 155 154 0.32      
11 E 734 729 0.00      
11 E 734 729 0.00      
12 E 657 653 76.22      
12 E 657 653 76.22      
13 E 480 477 5.02      
13 E 480 477 5.02      
14 E 279 277 12.10      
14 E 279 277 12.10      

Unscaled Zero Point Vibrational Energy (zpe) 4568.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 4540.9 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.04791 0.04791 0.03755

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.342 1.342 0.000
N2 -1.342 1.342 0.000
N3 -1.342 -1.342 0.000
N4 1.342 -1.342 0.000
S5 0.000 1.390 0.998
S6 0.000 -1.390 0.998
S7 1.390 0.000 -0.998
S8 -1.390 0.000 -0.998

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.68453.79652.68451.67343.20351.67343.2035
N22.68452.68453.79651.67343.20353.20351.6734
N33.79652.68452.68453.20351.67343.20351.6734
N42.68453.79652.68453.20351.67341.67343.2035
S51.67341.67343.20353.20352.77972.80152.8015
S63.20353.20351.67341.67342.77972.80152.8015
S71.67343.20353.20351.67342.80152.80152.7797
S83.20351.67341.67343.20352.80152.80152.7797

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 106.667 N1 S7 N4 106.667
N2 S8 N3 106.667 N3 S6 N4 106.667
S5 N1 S7 113.667 S5 N2 S8 113.667
S6 N3 S8 113.667 S6 N4 S7 113.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.767      
2 N -0.767      
3 N -0.767      
4 N -0.767      
5 S 0.767      
6 S 0.767      
7 S 0.767      
8 S 0.767      


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 -77.428 0.000 0.000
y 0.000 -77.428 0.000
z 0.000 0.000 -67.888
Traceless
 xyz
x -4.770 0.000 0.000
y 0.000 -4.770 0.000
z 0.000 0.000 9.540
Polar
3z2-r219.080
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 17.881 0.000 0.000
y 0.000 17.881 0.000
z 0.000 0.000 13.894


<r2> (average value of r2) Å2
<r2> 334.661
(<r2>)1/2 18.294