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

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-1803.028885
Energy at 298.15K-1803.033308
HF Energy-1803.028885
Nuclear repulsion energy781.479019
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 B1B95/3-21G*
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 682 651 0.00      
2 A1 586 560 0.00      
3 A1 185 177 0.00      
4 A2 745 711 0.00      
5 A2 230 220 0.00      
6 B1 681 650 0.00      
7 B1 337 322 0.00      
8 B2 998 953 65.84      
9 B2 557 532 96.31      
10 B2 168 161 0.06      
11 E 734 701 4.03      
11 E 734 701 4.03      
12 E 667 637 90.83      
12 E 667 637 90.83      
13 E 503 480 22.99      
13 E 503 480 22.99      
14 E 305 292 36.42      
14 E 305 292 36.42      

Unscaled Zero Point Vibrational Energy (zpe) 4792.9 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 4576.8 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 B1B95/3-21G*
ABC
0.04875 0.04875 0.03699

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.311 1.311 0.000
N2 -1.311 1.311 0.000
N3 -1.311 -1.311 0.000
N4 1.311 -1.311 0.000
S5 0.000 1.434 0.960
S6 0.000 -1.434 0.960
S7 1.434 0.000 -0.960
S8 -1.434 0.000 -0.960

Atom - Atom Distances (Å)
  N1 N2 N3 N4 S5 S6 S7 S8
N12.62253.70882.62251.62993.19061.62993.1906
N22.62252.62253.70881.62993.19063.19061.6299
N33.70882.62252.62253.19061.62993.19061.6299
N42.62253.70882.62253.19061.62991.62993.1906
S51.62991.62993.19063.19062.86882.79332.7933
S63.19063.19061.62991.62992.86882.79332.7933
S71.62993.19063.19061.62992.79332.79332.8688
S83.19061.62991.62993.19062.79332.79332.8688

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 107.126 N1 S7 N4 107.126
N2 S8 N3 107.126 N3 S6 N4 107.126
S5 N1 S7 117.946 S5 N2 S8 117.946
S6 N3 S8 117.946 S6 N4 S7 117.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.625      
2 N -0.625      
3 N -0.625      
4 N -0.625      
5 S 0.625      
6 S 0.625      
7 S 0.625      
8 S 0.625      


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 -77.477 0.000 0.000
y 0.000 -77.477 0.000
z 0.000 0.000 -67.028
Traceless
 xyz
x -5.225 0.000 0.000
y 0.000 -5.225 0.000
z 0.000 0.000 10.449
Polar
3z2-r220.898
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 14.150 0.000 0.000
y 0.000 14.150 0.000
z 0.000 0.000 9.471


<r2> (average value of r2) Å2
<r2> 333.186
(<r2>)1/2 18.253